* signal.c (ruby_signal): don't set SA_RESTART. a backport from

  the HEAD.  [ruby-talk:220937]  [ruby-talk:147220]

* signal.c (Init_signal): avoid duplicated installation of SIGCHLD
  handler.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@11203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 11 deletions

diff --git a/signal.c b/signal.c
index 8bf191ebd..9bc8a7d6c 100644
--- a/signal.c
+++ b/signal.c
@@ -341,14 +341,6 @@ ruby_signal(signum, handler)
     sigact.sa_handler = handler;
     sigemptyset(&sigact.sa_mask);
     sigact.sa_flags = 0;
-# if defined(SA_RESTART)
-    /* All other signals but VTALRM shall restart restartable syscall
-       VTALRM will cause EINTR to syscall if interrupted.
-    */
-    if (signum != SIGVTALRM) {
-        sigact.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
-    }
-# endif
 # ifdef SA_NOCLDWAIT
     if (signum == SIGCHLD && handler == SIG_IGN)
 	sigact.sa_flags |= SA_NOCLDWAIT;
@@ -1010,10 +1002,9 @@ Init_signal()
     install_sighandler(SIGPIPE, sigpipe);
 #endif
 
-#ifdef SIGCLD
+#if defined(SIGCLD)
     init_sigchld(SIGCLD);
-#endif
-#ifdef SIGCHLD
+#elif defined(SIGCHLD)
     init_sigchld(SIGCHLD);
 #endif