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* tevent: Use talloc_pooled_object for tevent_req_createVolker Lendecke2013-09-081-1/+4
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Sun Sep 8 13:39:25 CEST 2013 on sn-devel-104
* tevent: Remove a pointless gotoVolker Lendecke2013-08-161-4/+1
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
* tevent: Fix tutorial referenceVolker Lendecke2013-08-121-5/+3
| | | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Mon Aug 12 09:17:10 CEST 2013 on sn-devel-104
* tevent: Add echo server sample codeVolker Lendecke2013-08-051-0/+664
| | | | | | | | | | | | This is under a deliberately permissive license. I would like people to start using libtevent and tevent_req (LGPL) without any worries about where to start from. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Amitay Isaacs <amitay@gmail.com> Autobuild-User(master): Amitay Isaacs <amitay@samba.org> Autobuild-Date(master): Mon Aug 5 04:07:58 CEST 2013 on sn-devel-104
* tevent: change version to 0.9.19Stefan Metzmacher2013-08-012-1/+84
| | | | | | | | | | | | * Fix tevent testsuite issue on Solaris. * Add tevent tuturial and documentation updates * Fix Coverity ID 989236 Operands don't affect result * Bug: https://bugzilla.samba.org/show_bug.cgi?id=10012 Signed-off-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Thu Aug 1 17:05:02 CEST 2013 on sn-devel-104
* tevent: Remove the signal pipe if no signal events are aroundVolker Lendecke2013-08-011-1/+13
| | | | | | | | | | | | It makes adding/removing the first/last sigevents a bit more expensive, but it will fix tevent_loop_wait not finishing when one signal event was added and removed. Bug: https://bugzilla.samba.org/show_bug.cgi?id=10012 Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
* tevent: document tevent_req_create state zeroingDavid Disseldorp2013-07-081-3/+3
| | | | | | | | Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Mon Jul 8 20:43:49 CEST 2013 on sn-devel-104
* tevent: Fix a typoVolker Lendecke2013-07-051-1/+1
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Karolin Seeger <kseeger@samba.org> Autobuild-User(master): Karolin Seeger <kseeger@samba.org> Autobuild-Date(master): Fri Jul 5 11:10:07 CEST 2013 on sn-devel-104
* Fix some blank line endingsVolker Lendecke2013-06-211-4/+4
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Fri Jun 21 19:57:06 CEST 2013 on sn-devel-104
* tevent: Fix Coverity ID 989236 Operands don't affect resultVolker Lendecke2013-06-141-1/+1
| | | | | | | "unsigned" could be less than uint64_t, so idx==UINT64_MAX is always false. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: Link the tutorial on the mainpage.Andreas Schneider2013-06-122-157/+535
| | | | | | | Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Wed Jun 12 19:54:30 CEST 2013 on sn-devel-104
* tevent: Add tevent tutorial files.David Koňař2013-06-128-0/+1034
| | | | | Reviewed-by: Andreas Schneider <asn@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* build: Remove autoconf build systemAndrew Bartlett2013-05-281-75/+0
| | | | | | | | | | | We are now confident that that waf build system meets enough of our needs that we will work to improve it, rather than maintain two build systems. Andrew Bartlett Reviewed-by: Jelmer Vernooij <jelmer@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* tevent: Only set poll_ev->delete=false if it was trueVolker Lendecke2013-04-041-1/+1
| | | | | | | | | | | Might not be noticable, but I thought it would be an obvious tiny optimization. Possibly the compiler already does this. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Thu Apr 4 18:32:39 CEST 2013 on sn-devel-104
* Fix tevent testsuite issue on Solaris.Jeremy Allison2013-03-221-1/+6
| | | | | | | | | | | | On Solaris/Nexenta/Illumos once a pipe is full it will not be reported as writable until PIPE_BUF (actually on Solaris 4096, which is less than PIPE_BUF) bytes have been read from it. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Autobuild-User(master): Michael Adam <obnox@samba.org> Autobuild-Date(master): Fri Mar 22 18:16:45 CET 2013 on sn-devel-104
* Solaris/Illumos/Nexenta creates pipes that are bi-directional by default.Jeremy Allison2013-03-221-10/+16
| | | | | | | | Ensure the test code will pass against such a system (allow writes/reads going both ways). Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
* tevent: change version to 0.9.18Stefan Metzmacher2013-03-022-1/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This release contains a lot of fixes: - Adding new timer events is now faster, if there's a large number of timer events. - sigprocmask does not work on FreeBSD to stop further signals in a signal handler. - TEVENT_NUM_SIGNALS is calculated by configure in order to support realtime signals on freebsd. - ./configure --disable-python was fixed for the standalone build. - Several crash bugs in the poll backend are fixed. - The poll backend removes deleted events from the cached pollfd array now. - The poll doesn't pass pollfd.events == 0 to poll() and maintains a list of disabled events, instead of consuming 100% cpu and/or triggering the callers handler. - The poll backend detects POLLNVAL and reports EBADF instead of consuming 100% cpu. - The select backend supports separate handlers for TEVENT_FD_READ and TEVENT_FD_WRITE. - The poll and select backends are now doing fair queuing of fd events. - The epoll has better error checking and supports separate handlers for TEVENT_FD_READ and TEVENT_FD_WRITE. - The standard backend was rewritten to be a tiny wrapper on top of epoll with a fallback to poll, which means that it doesn't use select directly anymore. - TEVENT_TRACE_BEFORE_LOOP_ONCE and TEVENT_TRACE_AFTER_LOOP_ONCE are added in order to allow the application to hook in before and after the loop_once() backend function is called. The TEVENT_HAS_LOOP_ONCE_TRACE_POINTS define can be used to detect the new feature. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Sat Mar 2 02:15:44 CET 2013 on sn-devel-104
* tevent: optimize adding new zero timer eventsStefan Metzmacher2013-03-016-31/+113
| | | | | | | | | | | | | | Such events were used before we had immediate events. It's likely that there're a lot of this events and we need to add new ones in fifo order. The tricky part is that tevent_common_add_timer() should not use the optimization as it's used by broken Samba versions, which don't use tevent_common_loop_timer_delay() in source3/lib/events.c. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: optimize adding new timer eventsStefan Metzmacher2013-03-011-8/+24
| | | | | | | | | | | | | | | | | | | | | | As new timestamps typically get higher:-) it's better to traverse the existing list from the tail. This is not completely optimal, but it should be better than before. A second optimization could be done for zero timestamps, we would just remember the last_zero_timer, but that would change the internal ABI. Normally thatshould not be a poblem, but the Samba's source3/lib/events.c abuses tevent_internal.h from the current source tree, even if an external tevent.h is used. The other problem is that it makes use of tevent_common_add_timer() without using tevent_common_loop_timer_delay(). Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: add a debug message in tevent_common_loop_timer_delay()Stefan Metzmacher2013-03-011-0/+4
| | | | | | | We should debug a message before and after running the handler. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: add test_event_fd2()Stefan Metzmacher2013-03-011-0/+242
| | | | | | | | | This test fills the socket kernel buffers and verifies that we don't report TEVENT_FD_WRITE if the buffer is full. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: add test_event_fd1()Stefan Metzmacher2013-03-011-0/+221
| | | | | | | This test verifies that TEVENT_FD_* flags are handled correctly. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: use better names for the subtestsStefan Metzmacher2013-03-011-2/+9
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: Regression test to ensure that a tevent backend can cope with ↵Jeremy Allison2013-03-011-11/+50
| | | | | | | | | | separate read/write events on a single fd. This tests the multiplex fd changes to the epoll backend to ensure they work correctly. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: use DEBUG_ERROR for the fallback message in epoll_panic()Stefan Metzmacher2013-03-011-1/+1
| | | | | | | | A Samba autobuild passed without a fallback, so this is really an error. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: If epoll_ctl(..EPOLL_CTL_ADD,..) failes with EEXIST, merge the two ↵Jeremy Allison2013-03-011-0/+7
| | | | | | | | fde's into one epoll event. Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: preferr the write handler if there're two possible handlers ↵Stefan Metzmacher2013-03-011-0/+10
| | | | | | | registered with epoll Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: In epoll_event_loop() ensure we trigger the right handler for a ↵Stefan Metzmacher2013-03-011-7/+36
| | | | | | | | multiplexed fde event. Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: Add utility function epoll_handle_hup_or_err()Jeremy Allison2013-03-011-0/+32
| | | | | | | | | We'll use this to handle the EPOLL_ADDITIONAL_FD_FLAG_GOT_ERROR and EPOLL_ADDITIONAL_FD_FLAG_REPORT_ERROR flags with multiplexed events in the event loop. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: handle EPOLL_ADDITIONAL_FD_FLAG_HAS_MPX in epoll_update_event()Stefan Metzmacher2013-03-011-0/+17
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: handle multiplexed fde's in epoll_event_fd_destructor()Stefan Metzmacher2013-03-011-0/+21
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: Fix epoll_mod_event() to cope with modifying a multiplexed fde event.Stefan Metzmacher2013-03-011-2/+32
| | | | | | Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: Fix up epoll_del_event to cope with deleting a multiplexed fde event.Jeremy Allison2013-03-011-2/+18
| | | | | | Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: handle multiplexed fde's in epoll_add_event()Stefan Metzmacher2013-03-011-2/+32
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: Start to fix the epoll backend to support 2 fd events on the same fd ↵Jeremy Allison2013-03-011-1/+96
| | | | | | | | | | | | | | correctly. Add a utility function epoll_add_multiplex_fd() and a new flag EPOLL_ADDITIONAL_FD_FLAG_HAS_MPX. This will be called by epoll_add_event() to merge two fde events with the same file descriptor. Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tevent: ignore EBADF from epoll_ctl() and disable the eventStefan Metzmacher2013-03-011-2/+26
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: unify handling of HAS_EVENT and REPORT_ERROR in ↵Stefan Metzmacher2013-03-011-10/+6
| | | | | | | | | | epoll_{add,mod,del}_event() epoll_{add,mod,del}_event() are only called via epoll_update_event() and epoll_update_event() should not remove REPORT_ERROR itself. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: always go through epoll_update_event()Stefan Metzmacher2013-03-011-9/+14
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: s/epoll_change_event/epoll_update_eventStefan Metzmacher2013-03-011-2/+2
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: the content of event is ignored by EPOLL_CTL_DELStefan Metzmacher2013-03-011-2/+0
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: call epoll_panic() if EPOLL_CTL_DEL failedStefan Metzmacher2013-03-011-4/+11
| | | | | | | Only ENOENT is ignored as it is no error. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: use helper variables to hold the epoll_ctl() resultStefan Metzmacher2013-03-011-3/+9
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: remove unused if (epoll_ev->epoll_fd == -1) return; checksStefan Metzmacher2013-03-011-9/+0
| | | | | | | We'll never leave epoll_check_reopen() with epoll_fd == -1. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: add std_event_loop_wait()Stefan Metzmacher2013-03-011-0/+17
| | | | | | | | We also need to fallback in tevent_loop_wait() otherwise we might miss events in the poll->fresh list. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: don't call TALLOC_FREE(ev->additional_data) in std_fallback_to_poll()Stefan Metzmacher2013-03-011-1/+0
| | | | | | | The epoll backend has done the cleanup already. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: avoid any operation on epoll_ev after a epoll_panic()Stefan Metzmacher2013-03-011-11/+74
| | | | | | | | | | | | | | This calls TALLOC_FREE(ev->additional_data), which is epoll_ev within epoll_panic() before calling the fallback handler. In order to notice that a epoll_panic() happened, a caller can register a pointer to a bool variable under epoll_ev->panic_state. As epoll_check_reopen() can fail due to a epoll_panic(), we need to force the replay flag if we have called any event handler. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: add epoll_{create,ctl}_panic_fallback() for testingStefan Metzmacher2013-03-011-5/+49
| | | | | | | | This makes sure we only do random panics if a fallback handler is registered. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: use DLIST_DEMOTE() before calling on fde handler after select() and ↵Stefan Metzmacher2013-03-012-0/+2
| | | | | | | | | | poll() This makes sure we don't preferr events which are at the beginning of the list. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: debug a FATAL message on EBADF from the select backendStefan Metzmacher2013-03-011-0/+4
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tevent: Fix multiple handler on the same fd bug in the tevent select backend.Jeremy Allison2013-03-011-2/+6
| | | | | | | | | | | | | When we're deciding what handlers to call in the select backend, we didn't take into account the fact that the same fd may have been added into the read FD_SET and the write FD_SET but with different handlers. We must match on both the file descriptor and the flags requested before calling the handler. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
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