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-rw-r--r--gcc47-ada.patch3269
1 files changed, 3269 insertions, 0 deletions
diff --git a/gcc47-ada.patch b/gcc47-ada.patch
new file mode 100644
index 0000000..ad67a4a
--- /dev/null
+++ b/gcc47-ada.patch
@@ -0,0 +1,3269 @@
+--- origsrc/gcc-4.7.2/gcc/ada//a-intnam-cygwin.ads 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//a-intnam-cygwin.ads 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,170 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
++-- --
++-- A D A . I N T E R R U P T S . N A M E S --
++-- --
++-- S p e c --
++-- --
++-- Copyright (C) 1991-2011, Free Software Foundation, Inc. --
++-- --
++-- GNARL is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. --
++-- --
++-- As a special exception under Section 7 of GPL version 3, you are granted --
++-- additional permissions described in the GCC Runtime Library Exception, --
++-- version 3.1, as published by the Free Software Foundation. --
++-- --
++-- You should have received a copy of the GNU General Public License and --
++-- a copy of the GCC Runtime Library Exception along with this program; --
++-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
++-- <http://www.gnu.org/licenses/>. --
++-- --
++-- GNARL was developed by the GNARL team at Florida State University. --
++-- Extensive contributions were provided by Ada Core Technologies, Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This is a Cygwin version of this package but really it's a copy of the
++-- Linux version, so the below comments are probably irrelevant:
++
++-- The following signals are reserved by the run time (FSU threads):
++
++-- SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGTRAP, SIGABRT, SIGINT,
++-- SIGALRM, SIGVTALRM, SIGUNUSED, SIGSTOP, SIGKILL
++
++-- The following signals are reserved by the run time (LinuxThreads):
++
++-- SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGTRAP, SIGABRT, SIGINT,
++-- SIGUSR1, SIGUSR2, SIGVTALRM, SIGUNUSED, SIGSTOP, SIGKILL
++
++-- The pragma Unreserve_All_Interrupts affects the following signal(s):
++
++-- SIGINT: made available for Ada handler
++
++-- This target-dependent package spec contains names of interrupts
++-- supported by the local system.
++
++with System.OS_Interface;
++-- used for names of interrupts
++
++package Ada.Interrupts.Names is
++
++ -- All identifiers in this unit are implementation defined
++
++ pragma Implementation_Defined;
++
++ -- Beware that the mapping of names to signals may be many-to-one. There
++ -- may be aliases. Also, for all signal names that are not supported on the
++ -- current system the value of the corresponding constant will be zero.
++
++ SIGHUP : constant Interrupt_ID :=
++ System.OS_Interface.SIGHUP; -- hangup
++
++ SIGINT : constant Interrupt_ID :=
++ System.OS_Interface.SIGINT; -- interrupt (rubout)
++
++ SIGQUIT : constant Interrupt_ID :=
++ System.OS_Interface.SIGQUIT; -- quit (ASCD FS)
++
++ SIGILL : constant Interrupt_ID :=
++ System.OS_Interface.SIGILL; -- illegal instruction (not reset)
++
++ SIGTRAP : constant Interrupt_ID :=
++ System.OS_Interface.SIGTRAP; -- trace trap (not reset)
++
++ SIGIOT : constant Interrupt_ID :=
++ System.OS_Interface.SIGIOT; -- IOT instruction
++
++ SIGABRT : constant Interrupt_ID := -- used by abort,
++ System.OS_Interface.SIGABRT; -- replace SIGIOT in the future
++
++ SIGFPE : constant Interrupt_ID :=
++ System.OS_Interface.SIGFPE; -- floating point exception
++
++ SIGKILL : constant Interrupt_ID :=
++ System.OS_Interface.SIGKILL; -- kill (cannot be caught or ignored)
++
++ SIGBUS : constant Interrupt_ID :=
++ System.OS_Interface.SIGBUS; -- bus error
++
++ SIGSEGV : constant Interrupt_ID :=
++ System.OS_Interface.SIGSEGV; -- segmentation violation
++
++ SIGPIPE : constant Interrupt_ID := -- write on a pipe with
++ System.OS_Interface.SIGPIPE; -- no one to read it
++
++ SIGALRM : constant Interrupt_ID :=
++ System.OS_Interface.SIGALRM; -- alarm clock
++
++ SIGTERM : constant Interrupt_ID :=
++ System.OS_Interface.SIGTERM; -- software termination signal from kill
++
++ SIGUSR1 : constant Interrupt_ID :=
++ System.OS_Interface.SIGUSR1; -- user defined signal 1
++
++ SIGUSR2 : constant Interrupt_ID :=
++ System.OS_Interface.SIGUSR2; -- user defined signal 2
++
++ SIGCLD : constant Interrupt_ID :=
++ System.OS_Interface.SIGCLD; -- child status change
++
++ SIGCHLD : constant Interrupt_ID :=
++ System.OS_Interface.SIGCHLD; -- 4.3BSD's/POSIX name for SIGCLD
++
++ SIGWINCH : constant Interrupt_ID :=
++ System.OS_Interface.SIGWINCH; -- window size change
++
++ SIGURG : constant Interrupt_ID :=
++ System.OS_Interface.SIGURG; -- urgent condition on IO channel
++
++ SIGPOLL : constant Interrupt_ID :=
++ System.OS_Interface.SIGPOLL; -- pollable event occurred
++
++ SIGIO : constant Interrupt_ID := -- input/output possible,
++ System.OS_Interface.SIGIO; -- SIGPOLL alias (Solaris)
++
++ SIGSTOP : constant Interrupt_ID :=
++ System.OS_Interface.SIGSTOP; -- stop (cannot be caught or ignored)
++
++ SIGTSTP : constant Interrupt_ID :=
++ System.OS_Interface.SIGTSTP; -- user stop requested from tty
++
++ SIGCONT : constant Interrupt_ID :=
++ System.OS_Interface.SIGCONT; -- stopped process has been continued
++
++ SIGTTIN : constant Interrupt_ID :=
++ System.OS_Interface.SIGTTIN; -- background tty read attempted
++
++ SIGTTOU : constant Interrupt_ID :=
++ System.OS_Interface.SIGTTOU; -- background tty write attempted
++
++ SIGVTALRM : constant Interrupt_ID :=
++ System.OS_Interface.SIGVTALRM; -- virtual timer expired
++
++ SIGPROF : constant Interrupt_ID :=
++ System.OS_Interface.SIGPROF; -- profiling timer expired
++
++ SIGXCPU : constant Interrupt_ID :=
++ System.OS_Interface.SIGXCPU; -- CPU time limit exceeded
++
++ SIGXFSZ : constant Interrupt_ID :=
++ System.OS_Interface.SIGXFSZ; -- filesize limit exceeded
++
++ SIGUNUSED : constant Interrupt_ID :=
++ System.OS_Interface.SIGUNUSED; -- unused signal
++
++ SIGSTKFLT : constant Interrupt_ID :=
++ System.OS_Interface.SIGSTKFLT; -- stack fault on coprocessor
++
++ SIGLOST : constant Interrupt_ID :=
++ System.OS_Interface.SIGLOST; -- Linux alias for SIGIO
++
++ SIGPWR : constant Interrupt_ID :=
++ System.OS_Interface.SIGPWR; -- Power failure
++
++end Ada.Interrupts.Names;
+--- origsrc/gcc-4.7.2/gcc/ada//gcc-interface/Makefile.in 2012-11-02 15:16:49.765625000 +0000
++++ src/gcc-4.7.2/gcc/ada//gcc-interface/Makefile.in 2012-11-01 21:17:31.000000000 +0000
+@@ -191,6 +191,13 @@ TARGET_ADA_SRCS =
+ # Type of tools build we are doing; default is not compiling tools.
+ TOOLSCASE =
+
++# Which install goal to use.
++INSTALL_GNATLIB_MAIN = install-gnatlib
++INSTALL_GNATLIB_WIN32 = unused-install-gnatlib
++
++# Set shared lib prefix (lib on all systems but cygwin, which uses cyg)
++LIBGNAT_SHARED_LIB_PREFIX=lib
++
+ # Multilib handling
+ MULTISUBDIR =
+ RTSDIR = rts$(subst /,_,$(MULTISUBDIR))
+@@ -1583,6 +1590,12 @@ ifeq ($(strip $(filter-out avr none powe
+ endif
+
+ ifeq ($(strip $(filter-out cygwin% mingw32% pe,$(osys))),)
++ # Set target pair suffix for mingw or cygwin
++ W32_TARG=mingw
++ ifneq ($(strip $(filter cygwin%,$(osys))),)
++ W32_TARG=cygwin
++ LIBGNAT_SHARED_LIB_PREFIX=cyg
++ endif
+ # Cygwin provides a full Posix environment, and so we use the default
+ # versions of s-memory and g-socthi rather than the Windows-specific
+ # MinGW versions. Ideally we would use all the default versions for
+@@ -1651,24 +1664,24 @@ ifeq ($(strip $(filter-out cygwin% mingw
+ ifeq ($(strip $(MULTISUBDIR)),/32)
+ LIBGNAT_TARGET_PAIRS += \
+ $(X86_TARGET_PAIRS) \
+- system.ads<system-mingw.ads
++ system.ads<system-$(W32_TARG).ads
+ SO_OPTS= -m32 -Wl,-soname,
+ else
+ LIBGNAT_TARGET_PAIRS += \
+ $(X86_64_TARGET_PAIRS) \
+- system.ads<system-mingw-x86_64.ads
++ system.ads<system-$(W32_TARG)-x86_64.ads
+ SO_OPTS = -m64 -Wl,-soname,
+ endif
+ else
+ ifeq ($(strip $(MULTISUBDIR)),/64)
+ LIBGNAT_TARGET_PAIRS += \
+ $(X86_64_TARGET_PAIRS) \
+- system.ads<system-mingw-x86_64.ads
++ system.ads<system-$(W32_TARG)-x86_64.ads
+ SO_OPTS = -m64 -Wl,-soname,
+ else
+ LIBGNAT_TARGET_PAIRS += \
+ $(X86_TARGET_PAIRS) \
+- system.ads<system-mingw.ads
++ system.ads<system-$(W32_TARG).ads
+ SO_OPTS = -m32 -Wl,-soname,
+ endif
+ endif
+@@ -1677,7 +1690,14 @@ ifeq ($(strip $(filter-out cygwin% mingw
+ s-win32.o s-winext.o g-regist.o g-sse.o g-ssvety.o
+ EXTRA_GNATRTL_TASKING_OBJS = a-exetim.o
+
+- MISCLIB = -lws2_32
++ # Which install goal to use.
++ INSTALL_GNATLIB_MAIN = unused-install-gnatlib
++ INSTALL_GNATLIB_WIN32 = install-gnatlib
++
++ # Mingw uses winsock-based sockets; cygwin uses POSIX sockets.
++ ifneq ($(strip $(filter-out cygwin%,$(osys))),)
++ MISCLIB = -lwsock32
++ endif
+
+ # ??? This will be replaced by gnatlib-shared-dual-win32 when GNAT
+ # auto-import support for array/record will be done.
+@@ -1687,10 +1707,11 @@ ifeq ($(strip $(filter-out cygwin% mingw
+ endif
+
+ TOOLS_TARGET_PAIRS= \
+- mlib-tgt-specific.adb<mlib-tgt-specific-mingw.adb \
+- indepsw.adb<indepsw-mingw.adb
++ mlib-tgt-specific.adb<mlib-tgt-specific-$(W32_TARG).adb \
++ indepsw.adb<indepsw-$(W32_TARG).adb
+
+ GMEM_LIB = gmemlib
++ EH_MECHANISM=-gcc
+ EXTRA_GNATTOOLS = ../../gnatdll$(exeext)
+ EXTRA_GNATMAKE_OBJS = mdll.o mdll-utl.o mdll-fil.o
+ soext = .dll
+@@ -2425,7 +2446,7 @@ gnatlink-re: ../stamp-tools link.o targe
+ true; \
+ fi
+
+-install-gnatlib: ../stamp-gnatlib-$(RTSDIR)
++$(INSTALL_GNATLIB_MAIN): ../stamp-gnatlib-$(RTSDIR)
+ # Create the directory before deleting it, in case the directory is
+ # a list of directories (as it may be on VMS). This ensures we are
+ # deleting the right one.
+@@ -2472,6 +2493,46 @@ install-gnatlib: ../stamp-gnatlib-$(RTSD
+ cd $(DESTDIR)$(ADA_INCLUDE_DIR); $(CHMOD) a-wx *.adb
+ cd $(DESTDIR)$(ADA_INCLUDE_DIR); $(CHMOD) a-wx *.ads
+
++$(INSTALL_GNATLIB_WIN32): ../stamp-gnatlib-$(RTSDIR)
++# Create the directory before deleting it, in case the directory is
++# a list of directories (as it may be on VMS). This ensures we are
++# deleting the right one.
++ -$(MKDIR) $(DESTDIR)$(ADA_RTL_OBJ_DIR)
++ -$(MKDIR) $(DESTDIR)$(ADA_INCLUDE_DIR)
++ $(RMDIR) $(DESTDIR)$(ADA_RTL_OBJ_DIR)
++ $(RMDIR) $(DESTDIR)$(ADA_INCLUDE_DIR)
++ -$(MKDIR) $(DESTDIR)$(ADA_RTL_OBJ_DIR)
++ -$(MKDIR) $(DESTDIR)$(ADA_INCLUDE_DIR)
++ for file in $(RTSDIR)/*.ali; do \
++ $(INSTALL_DATA_DATE) $$file $(DESTDIR)$(ADA_RTL_OBJ_DIR); \
++ done
++ -$(INSTALL_DATA) $(RTSDIR)/g-trasym$(objext) $(DESTDIR)$(ADA_RTL_OBJ_DIR)
++ -cd $(RTSDIR); for file in *$(arext);do \
++ $(INSTALL_DATA) $$file $(DESTDIR)$(ADA_RTL_OBJ_DIR); \
++ $(RANLIB_FOR_TARGET) $(DESTDIR)$(ADA_RTL_OBJ_DIR)/$$file; \
++ done
++ -$(foreach file, $(EXTRA_ADALIB_FILES), \
++ $(INSTALL_DATA_DATE) $(RTSDIR)/$(file) $(DESTDIR)$(ADA_RTL_OBJ_DIR) && \
++ ) true
++# Install the shared libraries, if any, using $(INSTALL) instead
++# of $(INSTALL_DATA). The latter may force a mode inappropriate
++# for shared libraries on some targets, e.g. on HP-UX where the x
++# permission is required. We are win32 here.
++ for file in gnat gnarl; do \
++ if [ -f $(RTSDIR)/$(LIBGNAT_SHARED_LIB_PREFIX)$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) ]; then \
++ $(INSTALL) $(RTSDIR)/$(LIBGNAT_SHARED_LIB_PREFIX)$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) \
++ $(DESTDIR)$(bindir); \
++ $(LN_S) $(bindir)/$(LIBGNAT_SHARED_LIB_PREFIX)$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) \
++ $(DESTDIR)$(ADA_RTL_OBJ_DIR)/lib$${file}$(hyphen)$(LIBRARY_VERSION).dll.a; \
++ fi; \
++ done
++# This copy must be done preserving the date on the original file.
++ for file in $(RTSDIR)/*.ad?; do \
++ $(INSTALL_DATA_DATE) $$file $(DESTDIR)$(ADA_INCLUDE_DIR); \
++ done
++ cd $(DESTDIR)$(ADA_INCLUDE_DIR); $(CHMOD) a-wx *.adb
++ cd $(DESTDIR)$(ADA_INCLUDE_DIR); $(CHMOD) a-wx *.ads
++
+ ../stamp-gnatlib2-$(RTSDIR):
+ $(RM) $(RTSDIR)/s-*.ali
+ $(RM) $(RTSDIR)/s-*$(objext)
+@@ -2672,20 +2733,20 @@ gnatlib-shared-win32:
+ MULTISUBDIR="$(MULTISUBDIR)" \
+ THREAD_KIND="$(THREAD_KIND)" \
+ gnatlib
+- $(RM) $(RTSDIR)/libgna*$(soext)
++ $(RM) $(RTSDIR)/$(LIBGNAT_SHARED_LIB_PREFIX)gna*$(soext)
+ cd $(RTSDIR); `echo "$(GCC_FOR_TARGET)" \
+ | sed -e 's,\./xgcc,../../xgcc,' -e 's,-B\./,-B../../,'` -shared -shared-libgcc \
+ $(PICFLAG_FOR_TARGET) \
+- -o libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
++ -o $(LIBGNAT_SHARED_LIB_PREFIX)gnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ $(GNATRTL_NONTASKING_OBJS) $(LIBGNAT_OBJS) \
+- $(SO_OPTS)libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) $(MISCLIB)
++ $(SO_OPTS)$(LIBGNAT_SHARED_LIB_PREFIX)gnat$(hyphen)$(LIBRARY_VERSION)$(soext) $(MISCLIB)
+ cd $(RTSDIR); `echo "$(GCC_FOR_TARGET)" \
+ | sed -e 's,\./xgcc,../../xgcc,' -e 's,-B\./,-B../../,'` -shared -shared-libgcc \
+ $(PICFLAG_FOR_TARGET) \
+- -o libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
++ -o $(LIBGNAT_SHARED_LIB_PREFIX)gnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ $(GNATRTL_TASKING_OBJS) \
+- $(SO_OPTS)libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
+- $(THREADSLIB) -Wl,libgnat$(hyphen)$(LIBRARY_VERSION)$(soext)
++ $(SO_OPTS)$(LIBGNAT_SHARED_LIB_PREFIX)gnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
++ $(THREADSLIB) -Wl,$(LIBGNAT_SHARED_LIB_PREFIX)gnat$(hyphen)$(LIBRARY_VERSION)$(soext)
+
+ gnatlib-shared-darwin:
+ $(MAKE) $(FLAGS_TO_PASS) \
+--- origsrc/gcc-4.7.2/gcc/ada//gsocket.h 2012-11-02 15:16:49.781250000 +0000
++++ src/gcc-4.7.2/gcc/ada//gsocket.h 2012-11-01 21:17:31.000000000 +0000
+@@ -204,7 +204,8 @@
+ #endif
+
+ #if defined (_AIX) || defined (__FreeBSD__) || defined (__hpux__) || \
+- defined (__osf__) || defined (_WIN32) || defined (__APPLE__)
++ defined (__osf__) || defined (_WIN32) || defined (__APPLE__) || \
++ defined (__CYGWIN__)
+ # define HAVE_THREAD_SAFE_GETxxxBYyyy 1
+
+ #elif defined (sgi) || defined (linux) || defined (__GLIBC__) || \
+--- origsrc/gcc-4.7.2/gcc/ada//indepsw-cygwin.adb 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//indepsw-cygwin.adb 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,67 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT COMPILER COMPONENTS --
++-- --
++-- I N D E P S W --
++-- --
++-- B o d y --
++-- (Windows version) --
++-- --
++-- Copyright (C) 2009 Free Software Foundation, Inc. --
++-- --
++-- GNAT is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. --
++-- --
++-- As a special exception under Section 7 of GPL version 3, you are granted --
++-- additional permissions described in the GCC Runtime Library Exception, --
++-- version 3.1, as published by the Free Software Foundation. --
++-- --
++-- You should have received a copy of the GNU General Public License and --
++-- a copy of the GCC Runtime Library Exception along with this program; --
++-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
++-- <http://www.gnu.org/licenses/>. --
++-- --
++-- GNAT was originally developed by the GNAT team at New York University. --
++-- Extensive contributions were provided by Ada Core Technologies Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This is the Windows version
++
++package body Indepsw is
++
++ Map_Switch : aliased constant String := "-Wl,-Map,";
++
++ -------------
++ -- Convert --
++ -------------
++
++ procedure Convert
++ (Switch : Switch_Kind;
++ Argument : String;
++ To : out String_List_Access)
++ is
++ begin
++ case Switch is
++ when Map_File =>
++ To := new Argument_List'(1 => new String'(Map_Switch & Argument));
++ end case;
++ end Convert;
++
++ ------------------
++ -- Is_Supported --
++ ------------------
++
++ function Is_Supported (Switch : Switch_Kind) return Boolean is
++ begin
++ case Switch is
++ when Map_File =>
++ return True;
++ end case;
++ end Is_Supported;
++
++end Indepsw;
+--- origsrc/gcc-4.7.2/gcc/ada//initialize.c 2012-11-02 15:16:50.031250000 +0000
++++ src/gcc-4.7.2/gcc/ada//initialize.c 2012-11-01 21:17:31.000000000 +0000
+@@ -348,6 +348,40 @@ __gnat_initialize (void *eh ATTRIBUTE_UN
+ __main ();
+ }
+
++#elif defined (__CYGWIN__)
++
++/***************************************/
++/* __gnat_initialize (Cygwin Version) */
++/***************************************/
++
++extern void __main (void);
++
++void
++__gnat_initialize (void *eh ATTRIBUTE_UNUSED)
++{
++#ifdef IN_RTS
++ /* We must call __main to run the static ctors, or DW2 EH, amongst
++ other things, will fail. */
++ __main ();
++#endif
++ /* Initialize floating-point coprocessor. This call is needed because
++ the MS libraries default to 64-bit precision instead of 80-bit
++ precision, and we require the full precision for proper operation,
++ given that we have set Max_Digits etc with this in mind */
++ __gnat_init_float ();
++
++ /* Note that we do not activate this for the compiler itself to avoid a
++ bootstrap path problem. Older version of gnatbind will generate a call
++ to __gnat_initialize() without argument. Therefore we cannot use eh in
++ this case. It will be possible to remove the following #ifdef at some
++ point. */
++#ifdef IN_RTS
++ /* Install the Structured Exception handler. */
++ if (eh)
++ __gnat_install_SEH_handler (eh);
++#endif
++}
++
+ #else
+
+ /* For all other versions of GNAT, the initialize routine and handler
+--- origsrc/gcc-4.7.2/gcc/ada//mlib-tgt-specific-cygwin.adb 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//mlib-tgt-specific-cygwin.adb 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,162 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT COMPILER COMPONENTS --
++-- --
++-- M L I B . T G T . S P E C I F I C --
++-- (Cygwin Version) --
++-- --
++-- B o d y --
++-- --
++-- Copyright (C) 2002-2010, Free Software Foundation, Inc. --
++-- --
++-- GNAT is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
++-- for more details. You should have received a copy of the GNU General --
++-- Public License distributed with GNAT; see file COPYING3. If not, go to --
++-- http://www.gnu.org/licenses for a complete copy of the license. --
++-- --
++-- GNAT was originally developed by the GNAT team at New York University. --
++-- Extensive contributions were provided by Ada Core Technologies Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This is the Windows version of the body. Works only with GCC versions
++-- supporting the "-shared" option.
++
++with Opt;
++with Output; use Output;
++
++with MLib.Fil;
++with MLib.Utl;
++
++package body MLib.Tgt.Specific is
++
++ package Files renames MLib.Fil;
++ package Tools renames MLib.Utl;
++
++ -- Non default subprograms
++
++ procedure Build_Dynamic_Library
++ (Ofiles : Argument_List;
++ Options : Argument_List;
++ Interfaces : Argument_List;
++ Lib_Filename : String;
++ Lib_Dir : String;
++ Symbol_Data : Symbol_Record;
++ Driver_Name : Name_Id := No_Name;
++ Lib_Version : String := "";
++ Auto_Init : Boolean := False);
++
++ function DLL_Ext return String;
++
++ function DLL_Prefix return String;
++
++ function Is_Archive_Ext (Ext : String) return Boolean;
++
++ function Library_Major_Minor_Id_Supported return Boolean;
++
++ function PIC_Option return String;
++
++ Shared_Libgcc : aliased String := "-shared-libgcc";
++
++ Shared_Libgcc_Switch : constant Argument_List :=
++ (1 => Shared_Libgcc'Access);
++
++ ---------------------------
++ -- Build_Dynamic_Library --
++ ---------------------------
++
++ procedure Build_Dynamic_Library
++ (Ofiles : Argument_List;
++ Options : Argument_List;
++ Interfaces : Argument_List;
++ Lib_Filename : String;
++ Lib_Dir : String;
++ Symbol_Data : Symbol_Record;
++ Driver_Name : Name_Id := No_Name;
++ Lib_Version : String := "";
++ Auto_Init : Boolean := False)
++ is
++ pragma Unreferenced (Symbol_Data);
++ pragma Unreferenced (Interfaces);
++ pragma Unreferenced (Lib_Version);
++ pragma Unreferenced (Auto_Init);
++
++ Lib_File : constant String :=
++ Lib_Dir & Directory_Separator &
++ DLL_Prefix & Files.Append_To (Lib_Filename, DLL_Ext);
++
++ -- Start of processing for Build_Dynamic_Library
++
++ begin
++ if Opt.Verbose_Mode then
++ Write_Str ("building relocatable shared library ");
++ Write_Line (Lib_File);
++ end if;
++
++ Tools.Gcc
++ (Output_File => Lib_File,
++ Objects => Ofiles,
++ Options => Shared_Libgcc_Switch,
++ Options_2 => Options,
++ Driver_Name => Driver_Name);
++ end Build_Dynamic_Library;
++
++ -------------
++ -- DLL_Ext --
++ -------------
++
++ function DLL_Ext return String is
++ begin
++ return "dll";
++ end DLL_Ext;
++
++ ----------------
++ -- DLL_Prefix --
++ ----------------
++
++ function DLL_Prefix return String is
++ begin
++ return "cyg";
++ end DLL_Prefix;
++
++ --------------------
++ -- Is_Archive_Ext --
++ --------------------
++
++ function Is_Archive_Ext (Ext : String) return Boolean is
++ begin
++ return Ext = ".a" or else Ext = ".dll";
++ end Is_Archive_Ext;
++
++ --------------------------------------
++ -- Library_Major_Minor_Id_Supported --
++ --------------------------------------
++
++ function Library_Major_Minor_Id_Supported return Boolean is
++ begin
++ return False;
++ end Library_Major_Minor_Id_Supported;
++
++ ----------------
++ -- PIC_Option --
++ ----------------
++
++ function PIC_Option return String is
++ begin
++ return "";
++ end PIC_Option;
++
++begin
++ Build_Dynamic_Library_Ptr := Build_Dynamic_Library'Access;
++ DLL_Ext_Ptr := DLL_Ext'Access;
++ DLL_Prefix_Ptr := DLL_Prefix'Access;
++ Is_Archive_Ext_Ptr := Is_Archive_Ext'Access;
++ PIC_Option_Ptr := PIC_Option'Access;
++ Library_Major_Minor_Id_Supported_Ptr :=
++ Library_Major_Minor_Id_Supported'Access;
++end MLib.Tgt.Specific;
+--- origsrc/gcc-4.7.2/gcc/ada//s-gloloc-cygwin.adb 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//s-gloloc-cygwin.adb 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,107 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT COMPILER COMPONENTS --
++-- --
++-- S Y S T E M . G L O B A L _ L O C K S --
++-- --
++-- B o d y --
++-- --
++-- Copyright (C) 1999-2010, AdaCore --
++-- --
++-- GNAT is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. --
++-- --
++-- As a special exception under Section 7 of GPL version 3, you are granted --
++-- additional permissions described in the GCC Runtime Library Exception, --
++-- version 3.1, as published by the Free Software Foundation. --
++-- --
++-- You should have received a copy of the GNU General Public License and --
++-- a copy of the GCC Runtime Library Exception along with this program; --
++-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
++-- <http://www.gnu.org/licenses/>. --
++-- --
++-- GNAT was originally developed by the GNAT team at New York University. --
++-- Extensive contributions were provided by Ada Core Technologies Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This implementation is specific to NT
++
++with System.OS_Interface;
++with System.Task_Lock;
++with System.Win32;
++
++with Interfaces.C.Strings;
++
++package body System.Global_Locks is
++
++ package TSL renames System.Task_Lock;
++ package OSI renames System.OS_Interface;
++ package ICS renames Interfaces.C.Strings;
++
++ subtype Lock_File_Entry is Win32.HANDLE;
++
++ Last_Lock : Lock_Type := Null_Lock;
++ Lock_Table : array (Lock_Type range 1 .. 15) of Lock_File_Entry;
++
++ -----------------
++ -- Create_Lock --
++ -----------------
++
++ procedure Create_Lock (Lock : out Lock_Type; Name : String) is
++ L : Lock_Type;
++
++ begin
++ TSL.Lock;
++ Last_Lock := Last_Lock + 1;
++ L := Last_Lock;
++ TSL.Unlock;
++
++ if L > Lock_Table'Last then
++ raise Lock_Error;
++ end if;
++
++ Lock_Table (L) :=
++ OSI.CreateMutex (null, Win32.FALSE, ICS.New_String (Name));
++ Lock := L;
++ end Create_Lock;
++
++ ------------------
++ -- Acquire_Lock --
++ ------------------
++
++ procedure Acquire_Lock (Lock : in out Lock_Type) is
++ use type Win32.DWORD;
++
++ Res : Win32.DWORD;
++
++ begin
++ Res := OSI.WaitForSingleObject (Lock_Table (Lock), OSI.Wait_Infinite);
++
++ if Res = OSI.WAIT_FAILED then
++ raise Lock_Error;
++ end if;
++ end Acquire_Lock;
++
++ ------------------
++ -- Release_Lock --
++ ------------------
++
++ procedure Release_Lock (Lock : in out Lock_Type) is
++ use type Win32.BOOL;
++
++ Res : Win32.BOOL;
++
++ begin
++ Res := OSI.ReleaseMutex (Lock_Table (Lock));
++
++ if Res = Win32.FALSE then
++ raise Lock_Error;
++ end if;
++ end Release_Lock;
++
++end System.Global_Locks;
+--- origsrc/gcc-4.7.2/gcc/ada//s-osinte-cygwin.ads 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//s-osinte-cygwin.ads 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,951 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
++-- --
++-- S Y S T E M . O S _ I N T E R F A C E --
++-- --
++-- S p e c --
++-- --
++-- Copyright (C) 1991-1994, Florida State University --
++-- Copyright (C) 1995-2010, Free Software Foundation, Inc. --
++-- --
++-- GNAT is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. --
++-- --
++-- As a special exception under Section 7 of GPL version 3, you are granted --
++-- additional permissions described in the GCC Runtime Library Exception, --
++-- version 3.1, as published by the Free Software Foundation. --
++-- --
++-- You should have received a copy of the GNU General Public License and --
++-- a copy of the GCC Runtime Library Exception along with this program; --
++-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
++-- <http://www.gnu.org/licenses/>. --
++-- --
++-- GNARL was developed by the GNARL team at Florida State University. --
++-- Extensive contributions were provided by Ada Core Technologies Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This is a GNU/Linux (GNU/LinuxThreads) version of this package
++
++-- This package encapsulates all direct interfaces to OS services
++-- that are needed by children of System.
++
++-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
++-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
++
++with Interfaces.C;
++with Interfaces.C.Strings;
++with Ada.Unchecked_Conversion;
++
++package System.OS_Interface is
++ pragma Preelaborate;
++
++ subtype int is Interfaces.C.int;
++ subtype char is Interfaces.C.char;
++ subtype short is Interfaces.C.short;
++ subtype long is Interfaces.C.long;
++ subtype unsigned is Interfaces.C.unsigned;
++ subtype unsigned_short is Interfaces.C.unsigned_short;
++ subtype unsigned_long is Interfaces.C.unsigned_long;
++ subtype unsigned_char is Interfaces.C.unsigned_char;
++ subtype plain_char is Interfaces.C.plain_char;
++ subtype size_t is Interfaces.C.size_t;
++
++ -----------
++ -- Errno --
++ -----------
++
++ function errno return int;
++ pragma Import (C, errno, "__get_errno");
++
++ EAGAIN : constant := 11;
++ EINTR : constant := 4;
++ EINVAL : constant := 22;
++ ENOMEM : constant := 12;
++ EPERM : constant := 1;
++ ETIMEDOUT : constant := 110;
++
++ -------------
++ -- Signals --
++ -------------
++
++ Max_Interrupt : constant := 63;
++ type Signal is new int range 0 .. Max_Interrupt;
++ for Signal'Size use int'Size;
++
++ SIGHUP : constant := 1; -- hangup
++ SIGINT : constant := 2; -- interrupt (rubout)
++ SIGQUIT : constant := 3; -- quit (ASCD FS)
++ SIGILL : constant := 4; -- illegal instruction (not reset)
++ SIGTRAP : constant := 5; -- trace trap (not reset)
++ SIGIOT : constant := 6; -- IOT instruction
++ SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
++ SIGFPE : constant := 8; -- floating point exception
++ SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
++ SIGBUS : constant := 7; -- bus error
++ SIGSEGV : constant := 11; -- segmentation violation
++ SIGPIPE : constant := 13; -- write on a pipe with no one to read it
++ SIGALRM : constant := 14; -- alarm clock
++ SIGTERM : constant := 15; -- software termination signal from kill
++ SIGUSR1 : constant := 10; -- user defined signal 1
++ SIGUSR2 : constant := 12; -- user defined signal 2
++ SIGCLD : constant := 17; -- alias for SIGCHLD
++ SIGCHLD : constant := 17; -- child status change
++ SIGPWR : constant := 30; -- power-fail restart
++ SIGWINCH : constant := 28; -- window size change
++ SIGURG : constant := 23; -- urgent condition on IO channel
++ SIGPOLL : constant := 29; -- pollable event occurred
++ SIGIO : constant := 29; -- I/O now possible (4.2 BSD)
++ SIGLOST : constant := 29; -- File lock lost
++ SIGSTOP : constant := 19; -- stop (cannot be caught or ignored)
++ SIGTSTP : constant := 20; -- user stop requested from tty
++ SIGCONT : constant := 18; -- stopped process has been continued
++ SIGTTIN : constant := 21; -- background tty read attempted
++ SIGTTOU : constant := 22; -- background tty write attempted
++ SIGVTALRM : constant := 26; -- virtual timer expired
++ SIGPROF : constant := 27; -- profiling timer expired
++ SIGXCPU : constant := 24; -- CPU time limit exceeded
++ SIGXFSZ : constant := 25; -- filesize limit exceeded
++ SIGUNUSED : constant := 31; -- unused signal (GNU/Linux)
++ SIGSTKFLT : constant := 16; -- coprocessor stack fault (Linux)
++ SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal
++ SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal
++ SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal
++
++ SIGADAABORT : constant := SIGABRT;
++ -- Change this if you want to use another signal for task abort.
++ -- SIGTERM might be a good one.
++
++ type Signal_Set is array (Natural range <>) of Signal;
++
++ Unmasked : constant Signal_Set := (
++ SIGTRAP,
++ -- To enable debugging on multithreaded applications, mark SIGTRAP to
++ -- be kept unmasked.
++
++ SIGBUS,
++
++ SIGTTIN, SIGTTOU, SIGTSTP,
++ -- Keep these three signals unmasked so that background processes
++ -- and IO behaves as normal "C" applications
++
++ SIGPROF,
++ -- To avoid confusing the profiler
++
++ SIGKILL, SIGSTOP,
++ -- These two signals actually cannot be masked;
++ -- POSIX simply won't allow it.
++
++ SIGLTHRRES, SIGLTHRCAN, SIGLTHRDBG);
++ -- These three signals are used by GNU/LinuxThreads starting from
++ -- glibc 2.1 (future 2.2).
++
++ Reserved : constant Signal_Set :=
++ -- I am not sure why the following two signals are reserved.
++ -- I guess they are not supported by this version of GNU/Linux.
++ (SIGVTALRM, SIGUNUSED);
++
++ type sigset_t is private;
++
++ function sigaddset (set : access sigset_t; sig : Signal) return int;
++ pragma Import (C, sigaddset, "sigaddset");
++
++ function sigdelset (set : access sigset_t; sig : Signal) return int;
++ pragma Import (C, sigdelset, "sigdelset");
++
++ function sigfillset (set : access sigset_t) return int;
++ pragma Import (C, sigfillset, "sigfillset");
++
++ function sigismember (set : access sigset_t; sig : Signal) return int;
++ pragma Import (C, sigismember, "sigismember");
++
++ function sigemptyset (set : access sigset_t) return int;
++ pragma Import (C, sigemptyset, "sigemptyset");
++
++ type union_type_3 is new String (1 .. 116);
++ type siginfo_t is record
++ si_signo : int;
++ si_code : int;
++ si_errno : int;
++ X_data : union_type_3;
++ end record;
++ pragma Convention (C, siginfo_t);
++
++ type struct_sigaction is record
++ sa_handler : System.Address;
++ sa_mask : sigset_t;
++ sa_flags : unsigned_long;
++ sa_restorer : System.Address;
++ end record;
++ pragma Convention (C, struct_sigaction);
++
++ type struct_sigaction_ptr is access all struct_sigaction;
++
++ type Machine_State is record
++ eip : unsigned_long;
++ ebx : unsigned_long;
++ esp : unsigned_long;
++ ebp : unsigned_long;
++ esi : unsigned_long;
++ edi : unsigned_long;
++ end record;
++ type Machine_State_Ptr is access all Machine_State;
++
++ SA_SIGINFO : constant := 16#04#;
++
++ SIG_BLOCK : constant := 0;
++ SIG_UNBLOCK : constant := 1;
++ SIG_SETMASK : constant := 2;
++
++ SIG_DFL : constant := 0;
++ SIG_IGN : constant := 1;
++
++ function sigaction
++ (sig : Signal;
++ act : struct_sigaction_ptr;
++ oact : struct_sigaction_ptr) return int;
++ pragma Import (C, sigaction, "sigaction");
++
++ ----------
++ -- Time --
++ ----------
++
++ type timespec is private;
++
++ function To_Duration (TS : timespec) return Duration;
++ pragma Inline (To_Duration);
++
++ function To_Timespec (D : Duration) return timespec;
++ pragma Inline (To_Timespec);
++
++ type struct_timeval is private;
++
++ function To_Duration (TV : struct_timeval) return Duration;
++ pragma Inline (To_Duration);
++
++ function To_Timeval (D : Duration) return struct_timeval;
++ pragma Inline (To_Timeval);
++
++ function gettimeofday
++ (tv : access struct_timeval;
++ tz : System.Address := System.Null_Address) return int;
++ pragma Import (C, gettimeofday, "gettimeofday");
++
++ function sysconf (name : int) return long;
++ pragma Import (C, sysconf);
++
++ SC_CLK_TCK : constant := 2;
++ SC_NPROCESSORS_ONLN : constant := 84;
++
++ -------------------------
++ -- Priority Scheduling --
++ -------------------------
++
++ SCHED_OTHER : constant := 0;
++ SCHED_FIFO : constant := 1;
++ SCHED_RR : constant := 2;
++
++ function To_Target_Priority
++ (Prio : System.Any_Priority) return Interfaces.C.int;
++ -- Maps System.Any_Priority to a POSIX priority
++
++ -------------
++ -- Process --
++ -------------
++
++ type pid_t is private;
++
++ function kill (pid : pid_t; sig : Signal) return int;
++ pragma Import (C, kill, "kill");
++
++ function getpid return pid_t;
++ pragma Import (C, getpid, "getpid");
++
++ -------------
++ -- Threads --
++ -------------
++
++ type Thread_Body is access
++ function (arg : System.Address) return System.Address;
++ pragma Convention (C, Thread_Body);
++
++ function Thread_Body_Access is new
++ Ada.Unchecked_Conversion (System.Address, Thread_Body);
++
++ type pthread_t is new unsigned_long;
++ subtype Thread_Id is pthread_t;
++
++ function To_pthread_t is
++ new Ada.Unchecked_Conversion (unsigned_long, pthread_t);
++
++ type pthread_mutex_t is limited private;
++ type pthread_cond_t is limited private;
++ type pthread_attr_t is limited private;
++ type pthread_mutexattr_t is limited private;
++ type pthread_condattr_t is limited private;
++ type pthread_key_t is private;
++
++ PTHREAD_CREATE_DETACHED : constant := 1;
++
++ -----------
++ -- Stack --
++ -----------
++
++ function Get_Stack_Base (thread : pthread_t) return Address;
++ pragma Inline (Get_Stack_Base);
++ -- This is a dummy procedure to share some GNULLI files
++
++ ---------------------------------------
++ -- Nonstandard Thread Initialization --
++ ---------------------------------------
++
++ procedure pthread_init;
++ pragma Inline (pthread_init);
++ -- This is a dummy procedure to share some GNULLI files
++
++ -------------------------
++ -- POSIX.1c Section 3 --
++ -------------------------
++
++ function sigwait (set : access sigset_t; sig : access Signal) return int;
++ pragma Import (C, sigwait, "sigwait");
++
++ function pthread_kill (thread : pthread_t; sig : Signal) return int;
++ pragma Import (C, pthread_kill, "pthread_kill");
++
++ function pthread_sigmask
++ (how : int;
++ set : access sigset_t;
++ oset : access sigset_t) return int;
++ pragma Import (C, pthread_sigmask, "pthread_sigmask");
++
++ --------------------------
++ -- POSIX.1c Section 11 --
++ --------------------------
++
++ function pthread_mutexattr_init
++ (attr : access pthread_mutexattr_t) return int;
++ pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
++
++ function pthread_mutexattr_destroy
++ (attr : access pthread_mutexattr_t) return int;
++ pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
++
++ function pthread_mutex_init
++ (mutex : access pthread_mutex_t;
++ attr : access pthread_mutexattr_t) return int;
++ pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
++
++ function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
++ pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
++
++ function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
++ pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
++
++ function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
++ pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
++
++ function pthread_condattr_init
++ (attr : access pthread_condattr_t) return int;
++ pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
++
++ function pthread_condattr_destroy
++ (attr : access pthread_condattr_t) return int;
++ pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
++
++ function pthread_cond_init
++ (cond : access pthread_cond_t;
++ attr : access pthread_condattr_t) return int;
++ pragma Import (C, pthread_cond_init, "pthread_cond_init");
++
++ function pthread_cond_destroy (cond : access pthread_cond_t) return int;
++ pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
++
++ function pthread_cond_signal (cond : access pthread_cond_t) return int;
++ pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
++
++ function pthread_cond_wait
++ (cond : access pthread_cond_t;
++ mutex : access pthread_mutex_t) return int;
++ pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
++
++ function pthread_cond_timedwait
++ (cond : access pthread_cond_t;
++ mutex : access pthread_mutex_t;
++ abstime : access timespec) return int;
++ pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
++
++ --------------------------
++ -- POSIX.1c Section 13 --
++ --------------------------
++
++ type struct_sched_param is record
++ sched_priority : int; -- scheduling priority
++ end record;
++ pragma Convention (C, struct_sched_param);
++
++ function pthread_setschedparam
++ (thread : pthread_t;
++ policy : int;
++ param : access struct_sched_param) return int;
++ pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
++
++ function pthread_attr_setschedpolicy
++ (attr : access pthread_attr_t;
++ policy : int) return int;
++ pragma Import
++ (C, pthread_attr_setschedpolicy, "pthread_attr_setschedpolicy");
++
++ function sched_yield return int;
++ pragma Import (C, sched_yield, "sched_yield");
++
++ ---------------------------
++ -- P1003.1c - Section 16 --
++ ---------------------------
++
++ function pthread_attr_init
++ (attributes : access pthread_attr_t) return int;
++ pragma Import (C, pthread_attr_init, "pthread_attr_init");
++
++ function pthread_attr_destroy
++ (attributes : access pthread_attr_t) return int;
++ pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
++
++ function pthread_attr_setdetachstate
++ (attr : access pthread_attr_t;
++ detachstate : int) return int;
++ pragma Import
++ (C, pthread_attr_setdetachstate, "pthread_attr_setdetachstate");
++
++ function pthread_attr_setstacksize
++ (attr : access pthread_attr_t;
++ stacksize : size_t) return int;
++ pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
++
++ function pthread_create
++ (thread : access pthread_t;
++ attributes : access pthread_attr_t;
++ start_routine : Thread_Body;
++ arg : System.Address) return int;
++ pragma Import (C, pthread_create, "pthread_create");
++
++ procedure pthread_exit (status : System.Address);
++ pragma Import (C, pthread_exit, "pthread_exit");
++
++ function pthread_self return pthread_t;
++ pragma Import (C, pthread_self, "pthread_self");
++
++ --------------------------
++ -- POSIX.1c Section 17 --
++ --------------------------
++
++ function pthread_setspecific
++ (key : pthread_key_t;
++ value : System.Address) return int;
++ pragma Import (C, pthread_setspecific, "pthread_setspecific");
++
++ function pthread_getspecific (key : pthread_key_t) return System.Address;
++ pragma Import (C, pthread_getspecific, "pthread_getspecific");
++
++ type destructor_pointer is access procedure (arg : System.Address);
++ pragma Convention (C, destructor_pointer);
++
++ function pthread_key_create
++ (key : access pthread_key_t;
++ destructor : destructor_pointer) return int;
++ pragma Import (C, pthread_key_create, "pthread_key_create");
++
++ CPU_SETSIZE : constant := 1_024;
++
++ type bit_field is array (1 .. CPU_SETSIZE) of Boolean;
++ for bit_field'Size use CPU_SETSIZE;
++ pragma Pack (bit_field);
++ pragma Convention (C, bit_field);
++
++ type cpu_set_t is record
++ bits : bit_field;
++ end record;
++ pragma Convention (C, cpu_set_t);
++
++ function pthread_setaffinity_np
++ (thread : pthread_t;
++ cpusetsize : size_t;
++ cpuset : access cpu_set_t) return int;
++ pragma Import (C, pthread_setaffinity_np, "__gnat_pthread_setaffinity_np");
++
++ -------------------
++ -- Win32 compat --
++ -------------------
++
++ -------------------
++ -- General Types --
++ -------------------
++
++ type DWORD is new Interfaces.C.unsigned_long;
++ type WORD is new Interfaces.C.unsigned_short;
++
++ -- The LARGE_INTEGER type is actually a fixed point type
++ -- that only can represent integers. The reason for this is
++ -- easier conversion to Duration or other fixed point types.
++ -- (See Operations.Clock)
++
++ type LARGE_INTEGER is delta 1.0 range -2.0**63 .. 2.0**63 - 1.0;
++
++ subtype PSZ is Interfaces.C.Strings.chars_ptr;
++ subtype PCHAR is Interfaces.C.Strings.chars_ptr;
++
++ subtype PVOID is System.Address;
++
++ Null_Void : constant PVOID := System.Null_Address;
++
++ type PLONG is access all Interfaces.C.long;
++ type PDWORD is access all DWORD;
++
++ type BOOL is new Boolean;
++ for BOOL'Size use Interfaces.C.unsigned_long'Size;
++
++ -------------------------
++ -- Handles for objects --
++ -------------------------
++
++ type HANDLE is new Interfaces.C.long;
++ type PHANDLE is access all HANDLE;
++
++ subtype Win32_Thread_Id is HANDLE;
++
++ ------------------------
++ -- System Information --
++ ------------------------
++
++ type SYSTEM_INFO is record
++ dwOemId : DWORD;
++ dwPageSize : DWORD;
++ lpMinimumApplicationAddress : PVOID;
++ lpMaximumApplicationAddress : PVOID;
++ dwActiveProcessorMask : DWORD;
++ dwNumberOfProcessors : DWORD;
++ dwProcessorType : DWORD;
++ dwAllocationGranularity : DWORD;
++ dwReserved : DWORD;
++ end record;
++
++ procedure GetSystemInfo (SI : access SYSTEM_INFO);
++ pragma Import (Stdcall, GetSystemInfo, "GetSystemInfo");
++
++ ---------------------
++ -- Time Management --
++ ---------------------
++
++ procedure Sleep (dwMilliseconds : DWORD);
++ pragma Import (Stdcall, Sleep, External_Name => "Sleep");
++
++ type SYSTEMTIME is record
++ wYear : WORD;
++ wMonth : WORD;
++ wDayOfWeek : WORD;
++ wDay : WORD;
++ wHour : WORD;
++ wMinute : WORD;
++ wSecond : WORD;
++ wMilliseconds : WORD;
++ end record;
++
++ procedure GetSystemTime (pSystemTime : access SYSTEMTIME);
++ pragma Import (Stdcall, GetSystemTime, "GetSystemTime");
++
++ procedure GetSystemTimeAsFileTime (lpFileTime : access Long_Long_Integer);
++ pragma Import (Stdcall, GetSystemTimeAsFileTime, "GetSystemTimeAsFileTime");
++
++ function SetSystemTime (pSystemTime : access SYSTEMTIME) return BOOL;
++ pragma Import (Stdcall, SetSystemTime, "SetSystemTime");
++
++ function FileTimeToSystemTime
++ (lpFileTime : access Long_Long_Integer;
++ lpSystemTime : access SYSTEMTIME) return BOOL;
++ pragma Import (Stdcall, FileTimeToSystemTime, "FileTimeToSystemTime");
++
++ function SystemTimeToFileTime
++ (lpSystemTime : access SYSTEMTIME;
++ lpFileTime : access Long_Long_Integer) return BOOL;
++ pragma Import (Stdcall, SystemTimeToFileTime, "SystemTimeToFileTime");
++
++ function FileTimeToLocalFileTime
++ (lpFileTime : access Long_Long_Integer;
++ lpLocalFileTime : access Long_Long_Integer) return BOOL;
++ pragma Import (Stdcall, FileTimeToLocalFileTime, "FileTimeToLocalFileTime");
++
++ function LocalFileTimeToFileTime
++ (lpFileTime : access Long_Long_Integer;
++ lpLocalFileTime : access Long_Long_Integer) return BOOL;
++ pragma Import (Stdcall, LocalFileTimeToFileTime, "LocalFileTimeToFileTime");
++
++ function QueryPerformanceCounter
++ (lpPerformanceCount : access LARGE_INTEGER) return BOOL;
++ pragma Import
++ (Stdcall, QueryPerformanceCounter, "QueryPerformanceCounter");
++
++ function QueryPerformanceFrequency
++ (lpFrequency : access LARGE_INTEGER) return BOOL;
++ pragma Import
++ (Stdcall, QueryPerformanceFrequency, "QueryPerformanceFrequency");
++
++ -------------
++ -- Threads --
++ -------------
++
++-- type Win32_Thread_Body is access
++-- function (arg : System.Address) return System.Address;
++-- pragma Convention (C, Thread_Body);
++
++-- function Win32_Thread_Body_Access is new
++-- Ada.Unchecked_Conversion (System.Address, Thread_Body);
++
++ procedure SwitchToThread;
++ pragma Import (Stdcall, SwitchToThread, "SwitchToThread");
++
++ function GetThreadTimes
++ (hThread : HANDLE;
++ lpCreationTime : access Long_Long_Integer;
++ lpExitTime : access Long_Long_Integer;
++ lpKernelTime : access Long_Long_Integer;
++ lpUserTime : access Long_Long_Integer) return BOOL;
++ pragma Import (Stdcall, GetThreadTimes, "GetThreadTimes");
++
++ -----------------------
++ -- Critical sections --
++ -----------------------
++
++ type CRITICAL_SECTION is private;
++
++ procedure InitializeCriticalSection
++ (pCriticalSection : access CRITICAL_SECTION);
++ pragma Import
++ (Stdcall, InitializeCriticalSection, "InitializeCriticalSection");
++
++ procedure EnterCriticalSection
++ (pCriticalSection : access CRITICAL_SECTION);
++ pragma Import (Stdcall, EnterCriticalSection, "EnterCriticalSection");
++
++ procedure LeaveCriticalSection
++ (pCriticalSection : access CRITICAL_SECTION);
++ pragma Import (Stdcall, LeaveCriticalSection, "LeaveCriticalSection");
++
++ procedure DeleteCriticalSection
++ (pCriticalSection : access CRITICAL_SECTION);
++ pragma Import (Stdcall, DeleteCriticalSection, "DeleteCriticalSection");
++
++ -------------------------------------------------------------
++ -- Thread Creation, Activation, Suspension And Termination --
++ -------------------------------------------------------------
++
++ subtype ProcessorId is DWORD;
++
++ type PTHREAD_START_ROUTINE is access function
++ (pThreadParameter : PVOID) return DWORD;
++ pragma Convention (Stdcall, PTHREAD_START_ROUTINE);
++
++ function To_PTHREAD_START_ROUTINE is new
++ Ada.Unchecked_Conversion (System.Address, PTHREAD_START_ROUTINE);
++
++ type SECURITY_ATTRIBUTES is record
++ nLength : DWORD;
++ pSecurityDescriptor : PVOID;
++ bInheritHandle : BOOL;
++ end record;
++
++ type PSECURITY_ATTRIBUTES is access all SECURITY_ATTRIBUTES;
++
++ function CreateThread
++ (pThreadAttributes : PSECURITY_ATTRIBUTES;
++ dwStackSize : DWORD;
++ pStartAddress : PTHREAD_START_ROUTINE;
++ pParameter : PVOID;
++ dwCreationFlags : DWORD;
++ pThreadId : PDWORD) return HANDLE;
++ pragma Import (Stdcall, CreateThread, "CreateThread");
++
++ function BeginThreadEx
++ (pThreadAttributes : PSECURITY_ATTRIBUTES;
++ dwStackSize : DWORD;
++ pStartAddress : PTHREAD_START_ROUTINE;
++ pParameter : PVOID;
++ dwCreationFlags : DWORD;
++ pThreadId : PDWORD) return HANDLE;
++ pragma Import (C, BeginThreadEx, "_beginthreadex");
++
++ Debug_Process : constant := 16#00000001#;
++ Debug_Only_This_Process : constant := 16#00000002#;
++ Create_Suspended : constant := 16#00000004#;
++ Detached_Process : constant := 16#00000008#;
++ Create_New_Console : constant := 16#00000010#;
++
++ Create_New_Process_Group : constant := 16#00000200#;
++
++ Create_No_window : constant := 16#08000000#;
++
++ Profile_User : constant := 16#10000000#;
++ Profile_Kernel : constant := 16#20000000#;
++ Profile_Server : constant := 16#40000000#;
++
++ Stack_Size_Param_Is_A_Reservation : constant := 16#00010000#;
++
++ function GetExitCodeThread
++ (hThread : HANDLE;
++ pExitCode : PDWORD) return BOOL;
++ pragma Import (Stdcall, GetExitCodeThread, "GetExitCodeThread");
++
++ function ResumeThread (hThread : HANDLE) return DWORD;
++ pragma Import (Stdcall, ResumeThread, "ResumeThread");
++
++ function SuspendThread (hThread : HANDLE) return DWORD;
++ pragma Import (Stdcall, SuspendThread, "SuspendThread");
++
++ procedure ExitThread (dwExitCode : DWORD);
++ pragma Import (Stdcall, ExitThread, "ExitThread");
++
++ procedure EndThreadEx (dwExitCode : DWORD);
++ pragma Import (C, EndThreadEx, "_endthreadex");
++
++ function TerminateThread
++ (hThread : HANDLE;
++ dwExitCode : DWORD) return BOOL;
++ pragma Import (Stdcall, TerminateThread, "TerminateThread");
++
++ function GetCurrentThread return HANDLE;
++ pragma Import (Stdcall, GetCurrentThread, "GetCurrentThread");
++
++ function GetCurrentProcess return HANDLE;
++ pragma Import (Stdcall, GetCurrentProcess, "GetCurrentProcess");
++
++ function GetCurrentThreadId return DWORD;
++ pragma Import (Stdcall, GetCurrentThreadId, "GetCurrentThreadId");
++
++ function TlsAlloc return DWORD;
++ pragma Import (Stdcall, TlsAlloc, "TlsAlloc");
++
++ function TlsGetValue (dwTlsIndex : DWORD) return PVOID;
++ pragma Import (Stdcall, TlsGetValue, "TlsGetValue");
++
++ function TlsSetValue (dwTlsIndex : DWORD; pTlsValue : PVOID) return BOOL;
++ pragma Import (Stdcall, TlsSetValue, "TlsSetValue");
++
++ function TlsFree (dwTlsIndex : DWORD) return BOOL;
++ pragma Import (Stdcall, TlsFree, "TlsFree");
++
++ TLS_Nothing : constant := DWORD'Last;
++
++ procedure ExitProcess (uExitCode : Interfaces.C.unsigned);
++ pragma Import (Stdcall, ExitProcess, "ExitProcess");
++
++ function WaitForSingleObject
++ (hHandle : HANDLE;
++ dwMilliseconds : DWORD) return DWORD;
++ pragma Import (Stdcall, WaitForSingleObject, "WaitForSingleObject");
++
++ function WaitForSingleObjectEx
++ (hHandle : HANDLE;
++ dwMilliseconds : DWORD;
++ fAlertable : BOOL) return DWORD;
++ pragma Import (Stdcall, WaitForSingleObjectEx, "WaitForSingleObjectEx");
++
++ function SetThreadIdealProcessor
++ (hThread : HANDLE;
++ dwIdealProcessor : ProcessorId) return DWORD;
++ pragma Import (Stdcall, SetThreadIdealProcessor, "SetThreadIdealProcessor");
++
++ Wait_Infinite : constant := DWORD'Last;
++ WAIT_TIMEOUT : constant := 16#0000_0102#;
++ WAIT_FAILED : constant := 16#FFFF_FFFF#;
++
++ ------------------------------------
++ -- Semaphores, Events and Mutexes --
++ ------------------------------------
++
++ function CloseHandle (hObject : HANDLE) return BOOL;
++ pragma Import (Stdcall, CloseHandle, "CloseHandle");
++
++ function CreateSemaphore
++ (pSemaphoreAttributes : PSECURITY_ATTRIBUTES;
++ lInitialCount : Interfaces.C.long;
++ lMaximumCount : Interfaces.C.long;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, CreateSemaphore, "CreateSemaphoreA");
++
++ function OpenSemaphore
++ (dwDesiredAccess : DWORD;
++ bInheritHandle : BOOL;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, OpenSemaphore, "OpenSemaphoreA");
++
++ function ReleaseSemaphore
++ (hSemaphore : HANDLE;
++ lReleaseCount : Interfaces.C.long;
++ pPreviousCount : PLONG) return BOOL;
++ pragma Import (Stdcall, ReleaseSemaphore, "ReleaseSemaphore");
++
++ function CreateEvent
++ (pEventAttributes : PSECURITY_ATTRIBUTES;
++ bManualReset : BOOL;
++ bInitialState : BOOL;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, CreateEvent, "CreateEventA");
++
++ function OpenEvent
++ (dwDesiredAccess : DWORD;
++ bInheritHandle : BOOL;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, OpenEvent, "OpenEventA");
++
++ function SetEvent (hEvent : HANDLE) return BOOL;
++ pragma Import (Stdcall, SetEvent, "SetEvent");
++
++ function ResetEvent (hEvent : HANDLE) return BOOL;
++ pragma Import (Stdcall, ResetEvent, "ResetEvent");
++
++ function PulseEvent (hEvent : HANDLE) return BOOL;
++ pragma Import (Stdcall, PulseEvent, "PulseEvent");
++
++ function CreateMutex
++ (pMutexAttributes : PSECURITY_ATTRIBUTES;
++ bInitialOwner : BOOL;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, CreateMutex, "CreateMutexA");
++
++ function OpenMutex
++ (dwDesiredAccess : DWORD;
++ bInheritHandle : BOOL;
++ pName : PSZ) return HANDLE;
++ pragma Import (Stdcall, OpenMutex, "OpenMutexA");
++
++ function ReleaseMutex (hMutex : HANDLE) return BOOL;
++ pragma Import (Stdcall, ReleaseMutex, "ReleaseMutex");
++
++ ---------------------------------------------------
++ -- Accessing properties of Threads and Processes --
++ ---------------------------------------------------
++
++ -----------------
++ -- Priorities --
++ -----------------
++
++ function SetThreadPriority
++ (hThread : HANDLE;
++ nPriority : Interfaces.C.int) return BOOL;
++ pragma Import (Stdcall, SetThreadPriority, "SetThreadPriority");
++
++ function GetThreadPriority (hThread : HANDLE) return Interfaces.C.int;
++ pragma Import (Stdcall, GetThreadPriority, "GetThreadPriority");
++
++ function SetPriorityClass
++ (hProcess : HANDLE;
++ dwPriorityClass : DWORD) return BOOL;
++ pragma Import (Stdcall, SetPriorityClass, "SetPriorityClass");
++
++ procedure SetThreadPriorityBoost
++ (hThread : HANDLE;
++ DisablePriorityBoost : BOOL);
++ pragma Import (Stdcall, SetThreadPriorityBoost, "SetThreadPriorityBoost");
++
++ Normal_Priority_Class : constant := 16#00000020#;
++ Idle_Priority_Class : constant := 16#00000040#;
++ High_Priority_Class : constant := 16#00000080#;
++ Realtime_Priority_Class : constant := 16#00000100#;
++
++ Thread_Priority_Idle : constant := -15;
++ Thread_Priority_Lowest : constant := -2;
++ Thread_Priority_Below_Normal : constant := -1;
++ Thread_Priority_Normal : constant := 0;
++ Thread_Priority_Above_Normal : constant := 1;
++ Thread_Priority_Highest : constant := 2;
++ Thread_Priority_Time_Critical : constant := 15;
++ Thread_Priority_Error_Return : constant := Interfaces.C.long'Last;
++
++ function GetLastError return DWORD;
++ pragma Import (Stdcall, GetLastError, "GetLastError");
++
++private
++
++ type sigset_t is array (0 .. 127) of unsigned_char;
++ pragma Convention (C, sigset_t);
++ for sigset_t'Alignment use unsigned_long'Alignment;
++
++ type pid_t is new int;
++
++ type time_t is new long;
++
++ type timespec is record
++ tv_sec : time_t;
++ tv_nsec : long;
++ end record;
++ pragma Convention (C, timespec);
++
++ type struct_timeval is record
++ tv_sec : time_t;
++ tv_usec : time_t;
++ end record;
++ pragma Convention (C, struct_timeval);
++
++ type pthread_attr_t is record
++ detachstate : int;
++ schedpolicy : int;
++ schedparam : struct_sched_param;
++ inheritsched : int;
++ scope : int;
++ guardsize : size_t;
++ stackaddr_set : int;
++ stackaddr : System.Address;
++ stacksize : size_t;
++ end record;
++ pragma Convention (C, pthread_attr_t);
++
++ type pthread_condattr_t is record
++ dummy : int;
++ end record;
++ pragma Convention (C, pthread_condattr_t);
++
++ type pthread_mutexattr_t is record
++ mutexkind : int;
++ end record;
++ pragma Convention (C, pthread_mutexattr_t);
++
++ type struct_pthread_fast_lock is record
++ status : long;
++ spinlock : int;
++ end record;
++ pragma Convention (C, struct_pthread_fast_lock);
++
++ type pthread_mutex_t is record
++ m_reserved : int;
++ m_count : int;
++ m_owner : System.Address;
++ m_kind : int;
++ m_lock : struct_pthread_fast_lock;
++ end record;
++ pragma Convention (C, pthread_mutex_t);
++
++ type pthread_cond_t is array (0 .. 47) of unsigned_char;
++ pragma Convention (C, pthread_cond_t);
++
++ type pthread_key_t is new unsigned;
++
++ -------------------
++ -- Win32 private --
++ -------------------
++
++ type CRITICAL_SECTION is record
++ DebugInfo : System.Address;
++ -- The following three fields control entering and
++ -- exiting the critical section for the resource
++ LockCount : Long_Integer;
++ RecursionCount : Long_Integer;
++ OwningThread : HANDLE;
++ LockSemaphore : HANDLE;
++ Reserved : DWORD;
++ end record;
++
++end System.OS_Interface;
+--- origsrc/gcc-4.7.2/gcc/ada//s-taprop-cygwin.adb 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//s-taprop-cygwin.adb 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,1337 @@
++------------------------------------------------------------------------------
++-- --
++-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
++-- --
++-- S Y S T E M . T A S K _ P R I M I T I V E S . O P E R A T I O N S --
++-- --
++-- B o d y --
++-- --
++-- Copyright (C) 1992-2011, Free Software Foundation, Inc. --
++-- --
++-- GNARL is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 3, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. --
++-- --
++-- As a special exception under Section 7 of GPL version 3, you are granted --
++-- additional permissions described in the GCC Runtime Library Exception, --
++-- version 3.1, as published by the Free Software Foundation. --
++-- --
++-- You should have received a copy of the GNU General Public License and --
++-- a copy of the GCC Runtime Library Exception along with this program; --
++-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
++-- <http://www.gnu.org/licenses/>. --
++-- --
++-- GNARL was developed by the GNARL team at Florida State University. --
++-- Extensive contributions were provided by Ada Core Technologies, Inc. --
++-- --
++------------------------------------------------------------------------------
++
++-- This is a GNU/Linux (GNU/LinuxThreads) version of this package
++
++-- This package contains all the GNULL primitives that interface directly
++-- with the underlying OS.
++
++pragma Polling (Off);
++-- Turn off polling, we do not want ATC polling to take place during
++-- tasking operations. It causes infinite loops and other problems.
++
++with Interfaces.C;
++-- used for int
++-- size_t
++
++with System.Task_Info;
++-- used for Unspecified_Task_Info
++
++with System.Tasking.Debug;
++-- used for Known_Tasks
++
++with System.Interrupt_Management;
++-- used for Keep_Unmasked
++-- Abort_Task_Interrupt
++-- Interrupt_ID
++
++with System.OS_Primitives;
++-- used for Delay_Modes
++
++with System.Soft_Links;
++-- used for Abort_Defer/Undefer
++
++-- We use System.Soft_Links instead of System.Tasking.Initialization
++-- because the later is a higher level package that we shouldn't depend on.
++-- For example when using the restricted run time, it is replaced by
++-- System.Tasking.Restricted.Stages.
++
++with System.Storage_Elements;
++with System.Stack_Checking.Operations;
++-- Used for Invalidate_Stack_Cache and Notify_Stack_Attributes;
++
++with Ada.Exceptions;
++-- used for Raise_Exception
++-- Raise_From_Signal_Handler
++-- Exception_Id
++
++with Ada.Unchecked_Conversion;
++with Ada.Unchecked_Deallocation;
++
++package body System.Task_Primitives.Operations is
++
++ package SSL renames System.Soft_Links;
++ package SC renames System.Stack_Checking.Operations;
++
++ use System.Tasking.Debug;
++ use System.Tasking;
++ use Interfaces.C;
++ use System.OS_Interface;
++ use System.Parameters;
++ use System.OS_Primitives;
++ use System.Storage_Elements;
++ use System.Task_Info;
++
++ ----------------
++ -- Local Data --
++ ----------------
++
++ -- The followings are logically constants, but need to be initialized
++ -- at run time.
++
++ Single_RTS_Lock : aliased RTS_Lock;
++ -- This is a lock to allow only one thread of control in the RTS at
++ -- a time; it is used to execute in mutual exclusion from all other tasks.
++ -- Used mainly in Single_Lock mode, but also to protect All_Tasks_List
++
++ ATCB_Key : aliased pthread_key_t;
++ -- Key used to find the Ada Task_Id associated with a thread
++
++ Environment_Task_Id : Task_Id;
++ -- A variable to hold Task_Id for the environment task
++
++ Unblocked_Signal_Mask : aliased sigset_t;
++ -- The set of signals that should be unblocked in all tasks
++
++ -- The followings are internal configuration constants needed
++
++ Next_Serial_Number : Task_Serial_Number := 100;
++ -- We start at 100 (reserve some special values for using in error checks)
++
++ Time_Slice_Val : Integer;
++ pragma Import (C, Time_Slice_Val, "__gl_time_slice_val");
++
++ Dispatching_Policy : Character;
++ pragma Import (C, Dispatching_Policy, "__gl_task_dispatching_policy");
++
++ -- The following are effectively constants, but they need to be initialized
++ -- by calling a pthread_ function.
++
++ Mutex_Attr : aliased pthread_mutexattr_t;
++ Cond_Attr : aliased pthread_condattr_t;
++
++ Foreign_Task_Elaborated : aliased Boolean := True;
++ -- Used to identified fake tasks (i.e., non-Ada Threads)
++
++ --------------------
++ -- Local Packages --
++ --------------------
++
++ package Specific is
++
++ procedure Initialize (Environment_Task : Task_Id);
++ pragma Inline (Initialize);
++ -- Initialize various data needed by this package
++
++ function Is_Valid_Task return Boolean;
++ pragma Inline (Is_Valid_Task);
++ -- Does executing thread have a TCB?
++
++ procedure Set (Self_Id : Task_Id);
++ pragma Inline (Set);
++ -- Set the self id for the current task
++
++ function Self return Task_Id;
++ pragma Inline (Self);
++ -- Return a pointer to the Ada Task Control Block of the calling task
++
++ end Specific;
++
++ package body Specific is separate;
++ -- The body of this package is target specific
++
++ ---------------------------------
++ -- Support for foreign threads --
++ ---------------------------------
++
++ function Register_Foreign_Thread (Thread : Thread_Id) return Task_Id;
++ -- Allocate and Initialize a new ATCB for the current Thread
++
++ function Register_Foreign_Thread
++ (Thread : Thread_Id) return Task_Id is separate;
++
++ -----------------------
++ -- Local Subprograms --
++ -----------------------
++
++ subtype unsigned_long is Interfaces.C.unsigned_long;
++
++ procedure Abort_Handler (signo : Signal);
++
++ function To_pthread_t is new Ada.Unchecked_Conversion
++ (unsigned_long, System.OS_Interface.pthread_t);
++
++ procedure Get_Stack_Attributes
++ (T : Task_Id;
++ ISP : out System.Address;
++ Size : out Storage_Offset);
++ -- Fill ISP and Size with the Initial Stack Pointer value and the
++ -- thread stack size for task T.
++
++ -------------------
++ -- Abort_Handler --
++ -------------------
++
++ procedure Abort_Handler (signo : Signal) is
++ pragma Unreferenced (signo);
++
++ Self_Id : constant Task_Id := Self;
++ Result : Interfaces.C.int;
++ Old_Set : aliased sigset_t;
++
++ begin
++ if ZCX_By_Default and then GCC_ZCX_Support then
++ return;
++ end if;
++
++ if Self_Id.Deferral_Level = 0
++ and then Self_Id.Pending_ATC_Level < Self_Id.ATC_Nesting_Level
++ and then not Self_Id.Aborting
++ then
++ Self_Id.Aborting := True;
++
++ -- Make sure signals used for RTS internal purpose are unmasked
++
++ Result :=
++ pthread_sigmask
++ (SIG_UNBLOCK,
++ Unblocked_Signal_Mask'Access,
++ Old_Set'Access);
++ pragma Assert (Result = 0);
++
++ raise Standard'Abort_Signal;
++ end if;
++ end Abort_Handler;
++
++ --------------
++ -- Lock_RTS --
++ --------------
++
++ procedure Lock_RTS is
++ begin
++ Write_Lock (Single_RTS_Lock'Access, Global_Lock => True);
++ end Lock_RTS;
++
++ ----------------
++ -- Unlock_RTS --
++ ----------------
++
++ procedure Unlock_RTS is
++ begin
++ Unlock (Single_RTS_Lock'Access, Global_Lock => True);
++ end Unlock_RTS;
++
++ -----------------
++ -- Stack_Guard --
++ -----------------
++
++ -- The underlying thread system extends the memory (up to 2MB) when needed
++
++ procedure Stack_Guard (T : ST.Task_Id; On : Boolean) is
++ pragma Unreferenced (T);
++ pragma Unreferenced (On);
++ begin
++ null;
++ end Stack_Guard;
++
++ --------------------
++ -- Get_Thread_Id --
++ --------------------
++
++ function Get_Thread_Id (T : ST.Task_Id) return OSI.Thread_Id is
++ begin
++ return T.Common.LL.Thread;
++ end Get_Thread_Id;
++
++ ----------
++ -- Self --
++ ----------
++
++ function Self return Task_Id renames Specific.Self;
++
++ ---------------------
++ -- Initialize_Lock --
++ ---------------------
++
++ -- Note: mutexes and cond_variables needed per-task basis are
++ -- initialized in Initialize_TCB and the Storage_Error is
++ -- handled. Other mutexes (such as RTS_Lock, Memory_Lock...)
++ -- used in RTS is initialized before any status change of RTS.
++ -- Therefore rasing Storage_Error in the following routines
++ -- should be able to be handled safely.
++
++ procedure Initialize_Lock
++ (Prio : System.Any_Priority;
++ L : not null access Lock)
++ is
++ pragma Unreferenced (Prio);
++
++ Result : Interfaces.C.int;
++
++ begin
++ Result := pthread_mutex_init (L, Mutex_Attr'Access);
++
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result = ENOMEM then
++ Ada.Exceptions.Raise_Exception (Storage_Error'Identity,
++ "Failed to allocate a lock");
++ end if;
++ end Initialize_Lock;
++
++ procedure Initialize_Lock
++ (L : not null access RTS_Lock;
++ Level : Lock_Level)
++ is
++ pragma Unreferenced (Level);
++
++ Result : Interfaces.C.int;
++
++ begin
++ Result := pthread_mutex_init (L, Mutex_Attr'Access);
++
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result = ENOMEM then
++ raise Storage_Error;
++ end if;
++ end Initialize_Lock;
++
++ -------------------
++ -- Finalize_Lock --
++ -------------------
++
++ procedure Finalize_Lock (L : not null access Lock) is
++ Result : Interfaces.C.int;
++ begin
++ Result := pthread_mutex_destroy (L);
++ pragma Assert (Result = 0);
++ end Finalize_Lock;
++
++ procedure Finalize_Lock (L : not null access RTS_Lock) is
++ Result : Interfaces.C.int;
++ begin
++ Result := pthread_mutex_destroy (L);
++ pragma Assert (Result = 0);
++ end Finalize_Lock;
++
++ ----------------
++ -- Write_Lock --
++ ----------------
++
++ procedure Write_Lock
++ (L : not null access Lock;
++ Ceiling_Violation : out Boolean)
++ is
++ Result : Interfaces.C.int;
++ begin
++ Result := pthread_mutex_lock (L);
++ Ceiling_Violation := Result = EINVAL;
++
++ -- Assume the cause of EINVAL is a priority ceiling violation
++
++ pragma Assert (Result = 0 or else Result = EINVAL);
++ end Write_Lock;
++
++ procedure Write_Lock
++ (L : not null access RTS_Lock;
++ Global_Lock : Boolean := False)
++ is
++ Result : Interfaces.C.int;
++ begin
++ if not Single_Lock or else Global_Lock then
++ Result := pthread_mutex_lock (L);
++ pragma Assert (Result = 0);
++ end if;
++ end Write_Lock;
++
++ procedure Write_Lock (T : Task_Id) is
++ Result : Interfaces.C.int;
++ begin
++ if not Single_Lock then
++ Result := pthread_mutex_lock (T.Common.LL.L'Access);
++ pragma Assert (Result = 0);
++ end if;
++ end Write_Lock;
++
++ ---------------
++ -- Read_Lock --
++ ---------------
++
++ procedure Read_Lock
++ (L : not null access Lock;
++ Ceiling_Violation : out Boolean)
++ is
++ begin
++ Write_Lock (L, Ceiling_Violation);
++ end Read_Lock;
++
++ ------------
++ -- Unlock --
++ ------------
++
++ procedure Unlock (L : not null access Lock) is
++ Result : Interfaces.C.int;
++ begin
++ Result := pthread_mutex_unlock (L);
++ pragma Assert (Result = 0);
++ end Unlock;
++
++ procedure Unlock
++ (L : not null access RTS_Lock;
++ Global_Lock : Boolean := False)
++ is
++ Result : Interfaces.C.int;
++ begin
++ if not Single_Lock or else Global_Lock then
++ Result := pthread_mutex_unlock (L);
++ pragma Assert (Result = 0);
++ end if;
++ end Unlock;
++
++ procedure Unlock (T : Task_Id) is
++ Result : Interfaces.C.int;
++ begin
++ if not Single_Lock then
++ Result := pthread_mutex_unlock (T.Common.LL.L'Access);
++ pragma Assert (Result = 0);
++ end if;
++ end Unlock;
++
++ -----------------
++ -- Set_Ceiling --
++ -----------------
++
++ -- Dynamic priority ceilings are not supported by the underlying system
++
++ procedure Set_Ceiling
++ (L : not null access Lock;
++ Prio : System.Any_Priority)
++ is
++ pragma Unreferenced (L, Prio);
++ begin
++ null;
++ end Set_Ceiling;
++
++ -----------
++ -- Sleep --
++ -----------
++
++ procedure Sleep
++ (Self_ID : Task_Id;
++ Reason : System.Tasking.Task_States)
++ is
++ pragma Unreferenced (Reason);
++
++ Result : Interfaces.C.int;
++
++ begin
++ pragma Assert (Self_ID = Self);
++
++ if Single_Lock then
++ Result :=
++ pthread_cond_wait
++ (Self_ID.Common.LL.CV'Access, Single_RTS_Lock'Access);
++ else
++ Result :=
++ pthread_cond_wait
++ (Self_ID.Common.LL.CV'Access, Self_ID.Common.LL.L'Access);
++ end if;
++
++ -- EINTR is not considered a failure
++
++ pragma Assert (Result = 0 or else Result = EINTR);
++ end Sleep;
++
++ -----------------
++ -- Timed_Sleep --
++ -----------------
++
++ -- This is for use within the run-time system, so abort is
++ -- assumed to be already deferred, and the caller should be
++ -- holding its own ATCB lock.
++
++ procedure Timed_Sleep
++ (Self_ID : Task_Id;
++ Time : Duration;
++ Mode : ST.Delay_Modes;
++ Reason : System.Tasking.Task_States;
++ Timedout : out Boolean;
++ Yielded : out Boolean)
++ is
++ pragma Unreferenced (Reason);
++
++ Base_Time : constant Duration := Monotonic_Clock;
++ Check_Time : Duration := Base_Time;
++ Abs_Time : Duration;
++ Request : aliased timespec;
++ Result : Interfaces.C.int;
++
++ begin
++ Timedout := True;
++ Yielded := False;
++
++ if Mode = Relative then
++ Abs_Time := Duration'Min (Time, Max_Sensible_Delay) + Check_Time;
++ else
++ Abs_Time := Duration'Min (Check_Time + Max_Sensible_Delay, Time);
++ end if;
++
++ if Abs_Time > Check_Time then
++ Request := To_Timespec (Abs_Time);
++
++ loop
++ exit when Self_ID.Pending_ATC_Level < Self_ID.ATC_Nesting_Level;
++
++ if Single_Lock then
++ Result :=
++ pthread_cond_timedwait
++ (Self_ID.Common.LL.CV'Access,
++ Single_RTS_Lock'Access,
++ Request'Access);
++
++ else
++ Result :=
++ pthread_cond_timedwait
++ (Self_ID.Common.LL.CV'Access,
++ Self_ID.Common.LL.L'Access,
++ Request'Access);
++ end if;
++
++ Check_Time := Monotonic_Clock;
++ exit when Abs_Time <= Check_Time or else Check_Time < Base_Time;
++
++ if Result = 0 or else Result = EINTR then
++
++ -- Somebody may have called Wakeup for us
++
++ Timedout := False;
++ exit;
++ end if;
++
++ pragma Assert (Result = ETIMEDOUT);
++ end loop;
++ end if;
++ end Timed_Sleep;
++
++ -----------------
++ -- Timed_Delay --
++ -----------------
++
++ -- This is for use in implementing delay statements, so we assume the
++ -- caller is abort-deferred but is holding no locks.
++
++ procedure Timed_Delay
++ (Self_ID : Task_Id;
++ Time : Duration;
++ Mode : ST.Delay_Modes)
++ is
++ Base_Time : constant Duration := Monotonic_Clock;
++ Check_Time : Duration := Base_Time;
++ Abs_Time : Duration;
++ Request : aliased timespec;
++
++ Result : Interfaces.C.int;
++ pragma Warnings (Off, Result);
++
++ begin
++ if Single_Lock then
++ Lock_RTS;
++ end if;
++
++ Write_Lock (Self_ID);
++
++ if Mode = Relative then
++ Abs_Time := Time + Check_Time;
++ else
++ Abs_Time := Duration'Min (Check_Time + Max_Sensible_Delay, Time);
++ end if;
++
++ if Abs_Time > Check_Time then
++ Request := To_Timespec (Abs_Time);
++ Self_ID.Common.State := Delay_Sleep;
++
++ loop
++ exit when Self_ID.Pending_ATC_Level < Self_ID.ATC_Nesting_Level;
++
++ if Single_Lock then
++ Result := pthread_cond_timedwait
++ (Self_ID.Common.LL.CV'Access,
++ Single_RTS_Lock'Access,
++ Request'Access);
++ else
++ Result := pthread_cond_timedwait
++ (Self_ID.Common.LL.CV'Access,
++ Self_ID.Common.LL.L'Access,
++ Request'Access);
++ end if;
++
++ Check_Time := Monotonic_Clock;
++ exit when Abs_Time <= Check_Time or else Check_Time < Base_Time;
++
++ pragma Assert (Result = 0 or else
++ Result = ETIMEDOUT or else
++ Result = EINTR);
++ end loop;
++
++ Self_ID.Common.State := Runnable;
++ end if;
++
++ Unlock (Self_ID);
++
++ if Single_Lock then
++ Unlock_RTS;
++ end if;
++
++ Result := sched_yield;
++ end Timed_Delay;
++
++ ---------------------
++ -- Monotonic_Clock --
++ ---------------------
++
++ function Monotonic_Clock return Duration is
++ TV : aliased struct_timeval;
++ Result : Interfaces.C.int;
++ begin
++ Result := gettimeofday (TV'Access, System.Null_Address);
++ pragma Assert (Result = 0);
++ return To_Duration (TV);
++ end Monotonic_Clock;
++
++ -------------------
++ -- RT_Resolution --
++ -------------------
++
++ function RT_Resolution return Duration is
++ begin
++ return 10#1.0#E-6;
++ end RT_Resolution;
++
++ ------------
++ -- Wakeup --
++ ------------
++
++ procedure Wakeup (T : Task_Id; Reason : System.Tasking.Task_States) is
++ pragma Unreferenced (Reason);
++ Result : Interfaces.C.int;
++ begin
++ Result := pthread_cond_signal (T.Common.LL.CV'Access);
++ pragma Assert (Result = 0);
++ end Wakeup;
++
++ -----------
++ -- Yield --
++ -----------
++
++ procedure Yield (Do_Yield : Boolean := True) is
++ Result : Interfaces.C.int;
++ pragma Unreferenced (Result);
++ begin
++ if Do_Yield then
++ Result := sched_yield;
++ end if;
++ end Yield;
++
++ ------------------
++ -- Set_Priority --
++ ------------------
++
++ procedure Set_Priority
++ (T : Task_Id;
++ Prio : System.Any_Priority;
++ Loss_Of_Inheritance : Boolean := False)
++ is
++ pragma Unreferenced (Loss_Of_Inheritance);
++
++ Result : Interfaces.C.int;
++ Param : aliased struct_sched_param;
++
++ function Get_Policy (Prio : System.Any_Priority) return Character;
++ pragma Import (C, Get_Policy, "__gnat_get_specific_dispatching");
++ -- Get priority specific dispatching policy
++
++ Priority_Specific_Policy : constant Character := Get_Policy (Prio);
++ -- Upper case first character of the policy name corresponding to the
++ -- task as set by a Priority_Specific_Dispatching pragma.
++
++ begin
++ T.Common.Current_Priority := Prio;
++
++ -- Priorities on Cygwin follow Win32 standards, we use the
++ -- MinGW conversion table.
++
++ Param.sched_priority := Interfaces.C.int (Underlying_Priorities (Prio));
++
++ if Dispatching_Policy = 'R'
++ or else Priority_Specific_Policy = 'R'
++ or else Time_Slice_Val > 0
++ then
++ Result :=
++ pthread_setschedparam
++ (T.Common.LL.Thread, SCHED_RR, Param'Access);
++
++ elsif Dispatching_Policy = 'F'
++ or else Priority_Specific_Policy = 'F'
++ or else Time_Slice_Val = 0
++ then
++ Result :=
++ pthread_setschedparam
++ (T.Common.LL.Thread, SCHED_FIFO, Param'Access);
++
++ else
++ Param.sched_priority := 0;
++ Result :=
++ pthread_setschedparam
++ (T.Common.LL.Thread,
++ SCHED_OTHER, Param'Access);
++ end if;
++
++ pragma Assert (Result = 0 or else Result = EPERM);
++ end Set_Priority;
++
++ ------------------
++ -- Get_Priority --
++ ------------------
++
++ function Get_Priority (T : Task_Id) return System.Any_Priority is
++ begin
++ return T.Common.Current_Priority;
++ end Get_Priority;
++
++ --------------------------
++ -- Get_Stack_Attributes --
++ --------------------------
++
++ procedure Get_Stack_Attributes
++ (T : Task_Id;
++ ISP : out System.Address;
++ Size : out Storage_Offset)
++ is
++ function pthread_getattr_np
++ (thread : pthread_t;
++ attr : System.Address) return Interfaces.C.int;
++ pragma Import (C, pthread_getattr_np, "pthread_getattr_np");
++
++ function pthread_attr_getstack
++ (attr : System.Address;
++ base : System.Address;
++ size : System.Address) return Interfaces.C.int;
++ pragma Import (C, pthread_attr_getstack, "pthread_attr_getstack");
++
++ Result : Interfaces.C.int;
++
++ Attributes : aliased pthread_attr_t;
++ Stack_Base : aliased System.Address;
++ Stack_Size : aliased Storage_Offset;
++
++ begin
++ Result :=
++ pthread_getattr_np
++ (T.Common.LL.Thread, Attributes'Address);
++ pragma Assert (Result = 0);
++
++ Result :=
++ pthread_attr_getstack
++ (Attributes'Address, Stack_Base'Address, Stack_Size'Address);
++ pragma Assert (Result = 0);
++
++ Result := pthread_attr_destroy (Attributes'Access);
++ pragma Assert (Result = 0);
++
++ ISP := Stack_Base + Stack_Size;
++ Size := Stack_Size;
++ end Get_Stack_Attributes;
++
++ ----------------
++ -- Enter_Task --
++ ----------------
++
++ procedure Enter_Task (Self_ID : Task_Id) is
++ begin
++ if Self_ID.Common.Task_Info /= null
++ and then
++ Self_ID.Common.Task_Info.CPU_Affinity = No_CPU
++ then
++ raise Invalid_CPU_Number;
++ end if;
++
++ Self_ID.Common.LL.Thread := pthread_self;
++
++ Specific.Set (Self_ID);
++
++ Lock_RTS;
++
++ for J in Known_Tasks'Range loop
++ if Known_Tasks (J) = null then
++ Known_Tasks (J) := Self_ID;
++ Self_ID.Known_Tasks_Index := J;
++ exit;
++ end if;
++ end loop;
++
++ Unlock_RTS;
++
++ -- Determine where the task stack starts, how large it is, and let the
++ -- stack checking engine know about it.
++
++ declare
++ Initial_SP : System.Address;
++ Stack_Size : Storage_Offset;
++ begin
++ Get_Stack_Attributes (Self_ID, Initial_SP, Stack_Size);
++ System.Stack_Checking.Operations.Notify_Stack_Attributes
++ (Initial_SP, Stack_Size);
++ end;
++ end Enter_Task;
++
++ --------------
++ -- New_ATCB --
++ --------------
++
++ function New_ATCB (Entry_Num : Task_Entry_Index) return Task_Id is
++ begin
++ return new Ada_Task_Control_Block (Entry_Num);
++ end New_ATCB;
++
++ -------------------
++ -- Is_Valid_Task --
++ -------------------
++
++ function Is_Valid_Task return Boolean renames Specific.Is_Valid_Task;
++
++ -----------------------------
++ -- Register_Foreign_Thread --
++ -----------------------------
++
++ function Register_Foreign_Thread return Task_Id is
++ begin
++ if Is_Valid_Task then
++ return Self;
++ else
++ return Register_Foreign_Thread (pthread_self);
++ end if;
++ end Register_Foreign_Thread;
++
++ --------------------
++ -- Initialize_TCB --
++ --------------------
++
++ procedure Initialize_TCB (Self_ID : Task_Id; Succeeded : out Boolean) is
++ Result : Interfaces.C.int;
++
++ begin
++ -- Give the task a unique serial number
++
++ Self_ID.Serial_Number := Next_Serial_Number;
++ Next_Serial_Number := Next_Serial_Number + 1;
++ pragma Assert (Next_Serial_Number /= 0);
++
++ Self_ID.Common.LL.Thread := To_pthread_t (-1);
++
++ if not Single_Lock then
++ Result := pthread_mutex_init (Self_ID.Common.LL.L'Access,
++ Mutex_Attr'Access);
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result /= 0 then
++ Succeeded := False;
++ return;
++ end if;
++ end if;
++
++ Result := pthread_cond_init (Self_ID.Common.LL.CV'Access,
++ Cond_Attr'Access);
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result = 0 then
++ Succeeded := True;
++ else
++ if not Single_Lock then
++ Result := pthread_mutex_destroy (Self_ID.Common.LL.L'Access);
++ pragma Assert (Result = 0);
++ end if;
++
++ Succeeded := False;
++ end if;
++ end Initialize_TCB;
++
++ -----------------
++ -- Create_Task --
++ -----------------
++
++ procedure Create_Task
++ (T : Task_Id;
++ Wrapper : System.Address;
++ Stack_Size : System.Parameters.Size_Type;
++ Priority : System.Any_Priority;
++ Succeeded : out Boolean)
++ is
++ Attributes : aliased pthread_attr_t;
++ Result : Interfaces.C.int;
++
++ begin
++ Result := pthread_attr_init (Attributes'Access);
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result /= 0 then
++ Succeeded := False;
++ return;
++ end if;
++
++ Result :=
++ pthread_attr_setstacksize
++ (Attributes'Access, Interfaces.C.size_t (Stack_Size));
++ pragma Assert (Result = 0);
++
++ Result :=
++ pthread_attr_setdetachstate
++ (Attributes'Access, PTHREAD_CREATE_DETACHED);
++ pragma Assert (Result = 0);
++
++ -- Since the initial signal mask of a thread is inherited from the
++ -- creator, and the Environment task has all its signals masked, we
++ -- do not need to manipulate caller's signal mask at this point.
++ -- All tasks in RTS will have All_Tasks_Mask initially.
++
++ Result := pthread_create
++ (T.Common.LL.Thread'Access,
++ Attributes'Access,
++ Thread_Body_Access (Wrapper),
++ To_Address (T));
++ pragma Assert (Result = 0 or else Result = EAGAIN);
++
++ Succeeded := Result = 0;
++
++ -- Handle Task_Info
++
++ if T.Common.Task_Info /= null then
++ if T.Common.Task_Info.CPU_Affinity /= Task_Info.Any_CPU then
++ Result :=
++ pthread_setaffinity_np
++ (T.Common.LL.Thread,
++ CPU_SETSIZE / 8,
++ T.Common.Task_Info.CPU_Affinity'Access);
++ pragma Assert (Result = 0);
++ end if;
++ end if;
++
++ Result := pthread_attr_destroy (Attributes'Access);
++ pragma Assert (Result = 0);
++
++ Set_Priority (T, Priority);
++ end Create_Task;
++
++ ------------------
++ -- Finalize_TCB --
++ ------------------
++
++ procedure Finalize_TCB (T : Task_Id) is
++ Result : Interfaces.C.int;
++ Tmp : Task_Id := T;
++ Is_Self : constant Boolean := T = Self;
++
++ procedure Free is new
++ Ada.Unchecked_Deallocation (Ada_Task_Control_Block, Task_Id);
++
++ begin
++ if not Single_Lock then
++ Result := pthread_mutex_destroy (T.Common.LL.L'Access);
++ pragma Assert (Result = 0);
++ end if;
++
++ Result := pthread_cond_destroy (T.Common.LL.CV'Access);
++ pragma Assert (Result = 0);
++
++ if T.Known_Tasks_Index /= -1 then
++ Known_Tasks (T.Known_Tasks_Index) := null;
++ end if;
++ SC.Invalidate_Stack_Cache (T.Common.Compiler_Data.Pri_Stack_Info'Access);
++ Free (Tmp);
++
++ if Is_Self then
++ Specific.Set (null);
++ end if;
++ end Finalize_TCB;
++
++ ---------------
++ -- Exit_Task --
++ ---------------
++
++ procedure Exit_Task is
++ begin
++ Specific.Set (null);
++ end Exit_Task;
++
++ ----------------
++ -- Abort_Task --
++ ----------------
++
++ procedure Abort_Task (T : Task_Id) is
++ Result : Interfaces.C.int;
++ begin
++ Result :=
++ pthread_kill
++ (T.Common.LL.Thread,
++ Signal (System.Interrupt_Management.Abort_Task_Interrupt));
++ pragma Assert (Result = 0);
++ end Abort_Task;
++
++ ----------------
++ -- Initialize --
++ ----------------
++
++ procedure Initialize (S : in out Suspension_Object) is
++ Result : Interfaces.C.int;
++
++ begin
++ -- Initialize internal state (always to False (RM D.10(6)))
++
++ S.State := False;
++ S.Waiting := False;
++
++ -- Initialize internal mutex
++
++ Result := pthread_mutex_init (S.L'Access, Mutex_Attr'Access);
++
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result = ENOMEM then
++ raise Storage_Error;
++ end if;
++
++ -- Initialize internal condition variable
++
++ Result := pthread_cond_init (S.CV'Access, Cond_Attr'Access);
++
++ pragma Assert (Result = 0 or else Result = ENOMEM);
++
++ if Result /= 0 then
++ Result := pthread_mutex_destroy (S.L'Access);
++ pragma Assert (Result = 0);
++
++ if Result = ENOMEM then
++ raise Storage_Error;
++ end if;
++ end if;
++ end Initialize;
++
++ --------------
++ -- Finalize --
++ --------------
++
++ procedure Finalize (S : in out Suspension_Object) is
++ Result : Interfaces.C.int;
++
++ begin
++ -- Destroy internal mutex
++
++ Result := pthread_mutex_destroy (S.L'Access);
++ pragma Assert (Result = 0);
++
++ -- Destroy internal condition variable
++
++ Result := pthread_cond_destroy (S.CV'Access);
++ pragma Assert (Result = 0);
++ end Finalize;
++
++ -------------------
++ -- Current_State --
++ -------------------
++
++ function Current_State (S : Suspension_Object) return Boolean is
++ begin
++ -- We do not want to use lock on this read operation. State is marked
++ -- as Atomic so that we ensure that the value retrieved is correct.
++
++ return S.State;
++ end Current_State;
++
++ ---------------
++ -- Set_False --
++ ---------------
++
++ procedure Set_False (S : in out Suspension_Object) is
++ Result : Interfaces.C.int;
++
++ begin
++ SSL.Abort_Defer.all;
++
++ Result := pthread_mutex_lock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ S.State := False;
++
++ Result := pthread_mutex_unlock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ SSL.Abort_Undefer.all;
++ end Set_False;
++
++ --------------
++ -- Set_True --
++ --------------
++
++ procedure Set_True (S : in out Suspension_Object) is
++ Result : Interfaces.C.int;
++
++ begin
++ SSL.Abort_Defer.all;
++
++ Result := pthread_mutex_lock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ -- If there is already a task waiting on this suspension object then
++ -- we resume it, leaving the state of the suspension object to False,
++ -- as it is specified in ARM D.10 par. 9. Otherwise, it just leaves
++ -- the state to True.
++
++ if S.Waiting then
++ S.Waiting := False;
++ S.State := False;
++
++ Result := pthread_cond_signal (S.CV'Access);
++ pragma Assert (Result = 0);
++
++ else
++ S.State := True;
++ end if;
++
++ Result := pthread_mutex_unlock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ SSL.Abort_Undefer.all;
++ end Set_True;
++
++ ------------------------
++ -- Suspend_Until_True --
++ ------------------------
++
++ procedure Suspend_Until_True (S : in out Suspension_Object) is
++ Result : Interfaces.C.int;
++
++ begin
++ SSL.Abort_Defer.all;
++
++ Result := pthread_mutex_lock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ if S.Waiting then
++
++ -- Program_Error must be raised upon calling Suspend_Until_True
++ -- if another task is already waiting on that suspension object
++ -- (RM D.10(10)).
++
++ Result := pthread_mutex_unlock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ SSL.Abort_Undefer.all;
++
++ raise Program_Error;
++ else
++ -- Suspend the task if the state is False. Otherwise, the task
++ -- continues its execution, and the state of the suspension object
++ -- is set to False (ARM D.10 par. 9).
++
++ if S.State then
++ S.State := False;
++ else
++ S.Waiting := True;
++ Result := pthread_cond_wait (S.CV'Access, S.L'Access);
++ end if;
++
++ Result := pthread_mutex_unlock (S.L'Access);
++ pragma Assert (Result = 0);
++
++ SSL.Abort_Undefer.all;
++ end
++ if;
++ end Suspend_Until_True;
++
++ ----------------
++ -- Check_Exit --
++ ----------------
++
++ -- Dummy version
++
++ function Check_Exit (Self_ID : ST.Task_Id) return Boolean is
++ pragma Unreferenced (Self_ID);
++ begin
++ return True;
++ end Check_Exit;
++
++ --------------------
++ -- Check_No_Locks --
++ --------------------
++
++ function Check_No_Locks (Self_ID : ST.Task_Id) return Boolean is
++ pragma Unreferenced (Self_ID);
++ begin
++ return True;
++ end Check_No_Locks;
++
++ ----------------------
++ -- Environment_Task --
++ ----------------------
++
++ function Environment_Task return Task_Id is
++ begin
++ return Environment_Task_Id;
++ end Environment_Task;
++
++ ------------------
++ -- Suspend_Task --
++ ------------------
++
++ function Suspend_Task
++ (T : ST.Task_Id;
++ Thread_Self : Thread_Id) return Boolean
++ is
++ begin
++ if T.Common.LL.Thread /= Thread_Self then
++ return pthread_kill (T.Common.LL.Thread, SIGSTOP) = 0;
++ else
++ return True;
++ end if;
++ end Suspend_Task;
++
++ -----------------
++ -- Resume_Task --
++ -----------------
++
++ function Resume_Task
++ (T : ST.Task_Id;
++ Thread_Self : Thread_Id) return Boolean
++ is
++ begin
++ if T.Common.LL.Thread /= Thread_Self then
++ return pthread_kill (T.Common.LL.Thread, SIGCONT) = 0;
++ else
++ return True;
++ end if;
++ end Resume_Task;
++
++ --------------------
++ -- Stop_All_Tasks --
++ --------------------
++
++ procedure Stop_All_Tasks is
++ begin
++ null;
++ end Stop_All_Tasks;
++
++ ---------------
++ -- Stop_Task --
++ ---------------
++
++ function Stop_Task (T : ST.Task_Id) return Boolean is
++ pragma Unreferenced (T);
++ begin
++ return False;
++ end Stop_Task;
++
++ -------------------
++ -- Continue_Task --
++ -------------------
++
++ function Continue_Task (T : ST.Task_Id) return Boolean is
++ pragma Unreferenced (T);
++ begin
++ return False;
++ end Continue_Task;
++
++ ----------------
++ -- Initialize --
++ ----------------
++
++ procedure Initialize (Environment_Task : Task_Id) is
++ act : aliased struct_sigaction;
++ old_act : aliased struct_sigaction;
++ Tmp_Set : aliased sigset_t;
++ Result : Interfaces.C.int;
++
++ function State
++ (Int : System.Interrupt_Management.Interrupt_ID) return Character;
++ pragma Import (C, State, "__gnat_get_interrupt_state");
++ -- Get interrupt state. Defined in a-init.c
++ -- The input argument is the interrupt number,
++ -- and the result is one of the following:
++
++ Default : constant Character := 's';
++ -- 'n' this interrupt not set by any Interrupt_State pragma
++ -- 'u' Interrupt_State pragma set state to User
++ -- 'r' Interrupt_State pragma set state to Runtime
++ -- 's' Interrupt_State pragma set state to System (use "default"
++ -- system handler)
++
++ begin
++ Environment_Task_Id := Environment_Task;
++
++ Interrupt_Management.Initialize;
++
++ -- Prepare the set of signals that should be unblocked in all tasks
++
++ Result := sigemptyset (Unblocked_Signal_Mask'Access);
++ pragma Assert (Result = 0);
++
++ for J in Interrupt_Management.Interrupt_ID loop
++ if System.Interrupt_Management.Keep_Unmasked (J) then
++ Result := sigaddset (Unblocked_Signal_Mask'Access, Signal (J));
++ pragma Assert (Result = 0);
++ end if;
++ end loop;
++
++ Result := pthread_mutexattr_init (Mutex_Attr'Access);
++ pragma Assert (Result = 0);
++
++ Result := pthread_condattr_init (Cond_Attr'Access);
++ pragma Assert (Result = 0);
++
++ Initialize_Lock (Single_RTS_Lock'Access, RTS_Lock_Level);
++
++ -- Initialize the global RTS lock
++
++ Specific.Initialize (Environment_Task);
++
++ Enter_Task (Environment_Task);
++
++ -- Install the abort-signal handler
++
++ if State
++ (System.Interrupt_Management.Abort_Task_Interrupt) /= Default
++ then
++ act.sa_flags := 0;
++ act.sa_handler := Abort_Handler'Address;
++
++ Result := sigemptyset (Tmp_Set'Access);
++ pragma Assert (Result = 0);
++ act.sa_mask := Tmp_Set;
++
++ Result :=
++ sigaction
++ (Signal (Interrupt_Management.Abort_Task_Interrupt),
++ act'Unchecked_Access,
++ old_act'Unchecked_Access);
++ pragma Assert (Result = 0);
++ end if;
++ end Initialize;
++
++end System.Task_Primitives.Operations;
+--- origsrc/gcc-4.7.2/gcc/ada//sysdep.c 2012-11-02 15:16:50.062500000 +0000
++++ src/gcc-4.7.2/gcc/ada//sysdep.c 2012-11-02 15:50:59.968750000 +0000
+@@ -311,7 +311,7 @@ getc_immediate_common (FILE *stream,
+ {
+ #if defined (linux) || defined (sun) || defined (sgi) \
+ || (defined (__osf__) && ! defined (__alpha_vxworks)) \
+- || defined (__CYGWIN32__) || defined (__MACHTEN__) || defined (__hpux__) \
++ || defined (__CYGWIN__) || defined (__MACHTEN__) || defined (__hpux__) \
+ || defined (_AIX) || (defined (__svr4__) && defined (i386)) \
+ || defined (__Lynx__) || defined (__FreeBSD__) || defined (__OpenBSD__) \
+ || defined (__GLIBC__) || defined (__APPLE__)
+@@ -592,6 +592,18 @@ rts_get_nShowCmd (void)
+ }
+
+ #endif /* WINNT */
++
++#ifdef __CYGWIN__
++
++#include <malloc.h>
++
++size_t _msize(void *memblock)
++{
++ return (size_t) malloc_usable_size (memblock);
++}
++
++#endif /* __CYGWIN__ */
++
+ #ifdef VMS
+
+ /* This gets around a problem with using the old threads library on VMS 7.0. */
+--- origsrc/gcc-4.7.2/gcc/ada//system-cygwin.ads 1970-01-01 00:00:00.000000000 +0000
++++ src/gcc-4.7.2/gcc/ada//system-cygwin.ads 2012-11-01 21:17:31.000000000 +0000
+@@ -0,0 +1,198 @@
++------------------------------------------------------------------------------
++-- --
++-- GNAT RUN-TIME COMPONENTS --
++-- --
++-- S Y S T E M --
++-- --
++-- S p e c --
++-- (Cygwin Version) --
++-- --
++-- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
++-- --
++-- This specification is derived from the Ada Reference Manual for use with --
++-- GNAT. The copyright notice above, and the license provisions that follow --
++-- apply solely to the contents of the part following the private keyword. --
++-- --
++-- GNAT is free software; you can redistribute it and/or modify it under --
++-- terms of the GNU General Public License as published by the Free Soft- --
++-- ware Foundation; either version 2, or (at your option) any later ver- --
++-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
++-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
++-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
++-- for more details. You should have received a copy of the GNU General --
++-- Public License distributed with GNAT; see file COPYING. If not, write --
++-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
++-- Boston, MA 02110-1301, USA. --
++-- --
++-- As a special exception, if other files instantiate generics from this --
++-- unit, or you link this unit with other files to produce an executable, --
++-- this unit does not by itself cause the resulting executable to be --
++-- covered by the GNU General Public License. This exception does not --
++-- however invalidate any other reasons why the executable file might be --
++-- covered by the GNU Public License. --
++-- --
++-- GNAT was originally developed by the GNAT team at New York University. --
++-- Extensive contributions were provided by Ada Core Technologies Inc. --
++-- --
++------------------------------------------------------------------------------
++
++package System is
++ pragma Pure;
++ -- Note that we take advantage of the implementation permission to make
++ -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
++ -- 2005, this is Pure in any case (AI-362).
++
++ type Name is (SYSTEM_NAME_GNAT);
++ System_Name : constant Name := SYSTEM_NAME_GNAT;
++
++ -- System-Dependent Named Numbers
++
++ Min_Int : constant := Long_Long_Integer'First;
++ Max_Int : constant := Long_Long_Integer'Last;
++
++ Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
++ Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1;
++
++ Max_Base_Digits : constant := Long_Long_Float'Digits;
++ Max_Digits : constant := Long_Long_Float'Digits;
++
++ Max_Mantissa : constant := 63;
++ Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
++
++ Tick : constant := 0.01;
++
++ -- Storage-related Declarations
++
++ type Address is private;
++ pragma Preelaborable_Initialization (Address);
++ Null_Address : constant Address;
++
++ Storage_Unit : constant := 8;
++ Word_Size : constant := 32;
++ Memory_Size : constant := 2 ** 32;
++
++ -- Address comparison
++
++ function "<" (Left, Right : Address) return Boolean;
++ function "<=" (Left, Right : Address) return Boolean;
++ function ">" (Left, Right : Address) return Boolean;
++ function ">=" (Left, Right : Address) return Boolean;
++ function "=" (Left, Right : Address) return Boolean;
++
++ pragma Import (Intrinsic, "<");
++ pragma Import (Intrinsic, "<=");
++ pragma Import (Intrinsic, ">");
++ pragma Import (Intrinsic, ">=");
++ pragma Import (Intrinsic, "=");
++
++ -- Other System-Dependent Declarations
++
++ type Bit_Order is (High_Order_First, Low_Order_First);
++ Default_Bit_Order : constant Bit_Order := Low_Order_First;
++ pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
++
++ -- Priority-related Declarations (RM D.1)
++
++ Max_Priority : constant Positive := 30;
++ Max_Interrupt_Priority : constant Positive := 31;
++
++ subtype Any_Priority is Integer range 0 .. 31;
++ subtype Priority is Any_Priority range 0 .. 30;
++ subtype Interrupt_Priority is Any_Priority range 31 .. 31;
++
++ Default_Priority : constant Priority := 15;
++
++private
++
++ type Address is mod Memory_Size;
++ Null_Address : constant Address := 0;
++
++ --------------------------------------
++ -- System Implementation Parameters --
++ --------------------------------------
++
++ -- These parameters provide information about the target that is used
++ -- by the compiler. They are in the private part of System, where they
++ -- can be accessed using the special circuitry in the Targparm unit
++ -- whose source should be consulted for more detailed descriptions
++ -- of the individual switch values.
++
++ Backend_Divide_Checks : constant Boolean := False;
++ Backend_Overflow_Checks : constant Boolean := False;
++ Command_Line_Args : constant Boolean := True;
++ Configurable_Run_Time : constant Boolean := False;
++ Denorm : constant Boolean := True;
++ Duration_32_Bits : constant Boolean := False;
++ Exit_Status_Supported : constant Boolean := True;
++ Fractional_Fixed_Ops : constant Boolean := False;
++ Frontend_Layout : constant Boolean := False;
++ Machine_Overflows : constant Boolean := False;
++ Machine_Rounds : constant Boolean := True;
++ Preallocated_Stacks : constant Boolean := False;
++ Signed_Zeros : constant Boolean := True;
++ Stack_Check_Default : constant Boolean := False;
++ Stack_Check_Probes : constant Boolean := True;
++ Stack_Check_Limits : constant Boolean := False;
++ Support_64_Bit_Divides : constant Boolean := True;
++ Support_Aggregates : constant Boolean := True;
++ Support_Composite_Assign : constant Boolean := True;
++ Support_Composite_Compare : constant Boolean := True;
++ Support_Long_Shifts : constant Boolean := True;
++ Always_Compatible_Rep : constant Boolean := True;
++ Suppress_Standard_Library : constant Boolean := False;
++ Use_Ada_Main_Program_Name : constant Boolean := False;
++ ZCX_By_Default : constant Boolean := True;
++
++ ---------------------------
++ -- Underlying Priorities --
++ ---------------------------
++
++ -- Important note: this section of the file must come AFTER the
++ -- definition of the system implementation parameters to ensure
++ -- that the value of these parameters is available for analysis
++ -- of the declarations here (using Rtsfind at compile time).
++
++ -- The underlying priorities table provides a generalized mechanism
++ -- for mapping from Ada priorities to system priorities. In some
++ -- cases a 1-1 mapping is not the convenient or optimal choice.
++
++ type Priorities_Mapping is array (Any_Priority) of Integer;
++ pragma Suppress_Initialization (Priorities_Mapping);
++ -- Suppress initialization in case gnat.adc specifies Normalize_Scalars
++
++ Underlying_Priorities : constant Priorities_Mapping :=
++ (Priority'First ..
++ Default_Priority - 8 => -15,
++ Default_Priority - 7 => -7,
++ Default_Priority - 6 => -6,
++ Default_Priority - 5 => -5,
++ Default_Priority - 4 => -4,
++ Default_Priority - 3 => -3,
++ Default_Priority - 2 => -2,
++ Default_Priority - 1 => -1,
++ Default_Priority => 0,
++ Default_Priority + 1 => 1,
++ Default_Priority + 2 => 2,
++ Default_Priority + 3 => 3,
++ Default_Priority + 4 => 4,
++ Default_Priority + 5 => 5,
++ Default_Priority + 6 ..
++ Priority'Last => 6,
++ Interrupt_Priority => 15);
++ -- The default mapping preserves the standard 31 priorities of the Ada
++ -- model, but maps them using compression onto the 7 priority levels
++ -- available in NT and on the 16 priority levels available in 2000/XP.
++
++ -- To replace the default values of the Underlying_Priorities mapping,
++ -- copy this source file into your build directory, edit the file to
++ -- reflect your desired behavior, and recompile using Makefile.adalib
++ -- which can be found under the adalib directory of your gnat installation
++
++ pragma Linker_Options ("-Wl,--stack=0x2000000");
++ -- This is used to change the default stack (32 MB) size for non tasking
++ -- programs. We change this value for GNAT on Windows here because the
++ -- binutils on this platform have switched to a too low value for Ada
++ -- programs. Note that we also set the stack size for tasking programs in
++ -- System.Task_Primitives.Operations.
++
++end System;