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2013-03-01tevent: ignore POLLNVAL from poll() and disable the eventStefan Metzmacher1-1/+44
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: traverse the ev->fd_event list instead of the poll_ev->fds arrayStefan Metzmacher1-26/+5
That has the same complexity but simplifies the code. It also seems to fix a real problem, which was found by the following test failure in Samba's autobuild, while removing the epoll support from the "standard" backend. [402/1555 in 19m8s] samba3.raw.composite(plugin_s4_dc) smbtorture 4.1.0pre1-DEVELOPERBUILD Using seed 1361531675 Testing savefile Testing parallel fetchfile with 10 ops waiting for completion maximum runtime exceeded for smbtorture - terminating UNEXPECTED(error): samba3.raw.composite.fetchfile (subunit.RemotedTestCase)(plugin_s4_dc) REASON: _StringException: _StringException: was started but never finished! UNEXPECTED(error): samba3.raw.composite.fetchfile(plugin_s4_dc) (subunit.RemotedTestCase) REASON: was started but never finished! Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: maintain a list of disabled events in the poll backendStefan Metzmacher1-7/+48
We need to avoid passing pollfd.events == 0, to poll(), as it will report POLLERR and POLLHUP events, but our caller does not expect the event handler to be called. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: merge poll_fresh_fde_destructor() into poll_event_fd_destructor()Stefan Metzmacher1-18/+6
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: use tevent_poll_event_add_fd_internal() in poll_event_add_fd()Stefan Metzmacher1-2/+1
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: make sure we cleanup the array passed to poll() after deleting an eventStefan Metzmacher1-0/+30
If we don't cleanup the array passed to poll after an event was deleted, we may pass a bad file descriptor to poll(). This was found by the following test failure in Samba's autobuild, while removing the epoll support from the "standard" backend. [48/1555 in 4m37s] samba3.smbtorture_s3.plain(s3dc).LOCK4 UNEXPECTED(failure): samba3.smbtorture_s3.plain(s3dc).LOCK4.smbtorture(s3dc) REASON: _StringException: _StringException: using seed 1361530718 host=127.0.0.2 share=tmp user=metze myname=sn-devel-104 Running LOCK4 starting locktest4 Failed to create file: NT_STATUS_INVALID_HANDLE finished locktest4 TEST LOCK4 FAILED! LOCK4 took 190.492 secs Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: don't skip a fd event if the previous one was deleted during poll()Stefan Metzmacher1-2/+9
In a threaded environment it can happen that an tevent_fd is talloc_free'ed while the main thread sleeps in the poll() syscall. In such a case poll_event_fd_destructor() would set poll_ev->fdes[i] = NULL. We then skip the removed event, but before we also skipped the one that was located at the end of the array. We moved it to possition 'i', but the next loop uses 'i=i+1'. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: remember the errno from select(), poll() and epoll_wait()Stefan Metzmacher3-5/+11
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: add trace points BEFORE_LOOP_ONCE and AFTER_LOOP_ONCEMichael Adam3-0/+18
The define TEVENT_HAS_LOOP_ONCE_TRACE_POINTS can be used to detect the new feature, without writing configure tests. Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org>
2013-03-01tevent: fix compiler warning in tevent_context_init_byname()Stefan Metzmacher1-1/+1
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: fix some compiler warnings in testsuite.cStefan Metzmacher1-1/+15
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: fix a comment typo in tevent_epoll.cMichael Adam1-1/+1
Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-03-01tevent: fix --disable-python cause configure fails (bug #8718)Galen.Liu1-1/+1
When we disable python, it will cause build fail! so, the patch will fix it. Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-03-01tevent: define TEVENT_NUM_SIGNALS based on configure checksStefan Metzmacher3-2/+46
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-14tevent: Remove the previous "standard" tevent backend implementation.Jeremy Allison1-556/+1
This was a horrible hybrid of duplicated epoll and select() code. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Thu Feb 14 22:40:30 CET 2013 on sn-devel-104
2013-02-14tevent: Add in the new implementation of "standard" tevent backend.Jeremy Allison1-6/+180
Falls back cleanly from epoll -> poll, or uses poll if epoll not available. Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Add a private function tevent_poll_event_add_fd_internal().Jeremy Allison2-0/+19
Not yet used, but will be called by the "standard" fallback from epoll -> poll backends. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: make use of tevent_find_ops_byname() in tevent_context_init_byname()Stefan Metzmacher1-14/+5
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: make sure tevent_backend_init() only runs onceStefan Metzmacher1-0/+8
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Add a utility function tevent_find_ops_byname().Jeremy Allison2-0/+23
Returns an event ops struct given a string name. Not yet used, but will be part of the new "standard" fallback code. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Add in the same tevent_re_initialise() fix Metze put in the ↵Jeremy Allison3-0/+18
tevent_poll backend. We might be called during tevent_re_initialise() which means we need to free our old additional_data. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Add in some test code to allow the panic fallback path to be tested.Jeremy Allison1-0/+18
Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Plumb in the panic fallback code into the epoll_panic() runtime call.Jeremy Allison1-3/+20
Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Add an internal function tevent_epoll_set_panic_fallback().Jeremy Allison2-0/+27
Can be set externally, allows us to fallback if epoll fails at runtime. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: pass 'bool replay' to epoll_panic()Stefan Metzmacher1-5/+6
A fallback panic handler will need to know if there was an error while waiting for events (replay=true) or if the error happened on modify (replay=false). Signed-off-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Ensure we return after every call to epoll_panic().Jeremy Allison1-0/+2
Currently we can't return from this, but the new fallback code will change this. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-14tevent: Preparing to fix "standard" backend fallback. Initialize standard ↵Jeremy Allison1-1/+1
after epoll. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-02-03tevent_poll: add poll_event_loop_wait()Stefan Metzmacher1-2/+31
We can't use tevent_common_loop_wait() because new fd events will be added to the poll_ev->fresh list instead of ev->fd_events. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Sun Feb 3 06:40:09 CET 2013 on sn-devel-104
2013-02-02tevent_poll: fix the usage of tevent_re_initialise()Stefan Metzmacher1-0/+8
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: call tevent_common_fd_destructor() from poll_fresh_fde_destructor()Stefan Metzmacher1-2/+3
We need to trigger the fde->close_fn(). Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: Avoid a crash in poll_event_set_fd_flagsVolker Lendecke1-2/+8
The event context might have been freed before the fde Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: Avoid a crash in poll_fresh_fde_destructorVolker Lendecke1-2/+9
The event context might have been freed before the fde Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: NULL out fde->event_ctx for "fresh" poll fdesVolker Lendecke1-0/+8
This is done in tevent_common_context_destructor for the non-fresh fdes already Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: Use the poll_event_context_destructor alwaysVolker Lendecke1-5/+12
This is in preparation for the next patch to NULL out the event_ctx pointers in the poll_ev->fresh list Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: Re-order routinesVolker Lendecke1-16/+16
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-02-02tevent_poll: Fix a crash in the poll backendVolker Lendecke1-4/+15
If tevent_add_fd is immediately followed by tevent_fd_set_flags, the poll backend crashes. This was introduced when the poll backend was prepared for the multi-threaded python extension. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-01-31tevent: Fix a comment typoVolker Lendecke1-1/+1
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ira Cooper <ira@samba.org> Reviewed-by: Richard Sharpe <realrichardsharpe@gmail.com> Autobuild-User(master): Richard Sharpe <sharpe@samba.org> Autobuild-Date(master): Thu Jan 31 17:52:39 CET 2013 on sn-devel-104
2013-01-18tevent: Fix a commentVolker Lendecke1-1/+1
liboop.org is now in a language I don't understand. But it does definitely not contain a library. Reviewed by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Jan 18 00:05:37 CET 2013 on sn-devel-104
2013-01-15tevent: Fix bug 9550 - sigprocmask does not work on FreeBSD to stop further ↵Jeremy Allison1-0/+29
signals in a signal handler Mask off signals the correct way from the signal handler. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Tue Jan 15 12:13:43 CET 2013 on sn-devel-104
2012-08-16tevent: change version to 0.9.17 after adding the "poll_mt" backendStefan Metzmacher2-1/+83
metze
2012-08-16tevent: Add threaded poll_mt testcaseVolker Lendecke1-0/+145
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-08-16lib/tevent: Add a thread-safe tevent backendVolker Lendecke3-3/+160
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-08-16tevent_poll: Decouple poll_ev->fds handling from adding/removing fdsVolker Lendecke1-72/+135
Step 1 in a python backend for multiple threads Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-08-04doc: Remove build/ from doxygen config or it will not work in brew.Andreas Schneider1-4/+1
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Sat Aug 4 16:31:22 CEST 2012 on sn-devel-104
2012-07-31tevent: Refer to the correct header in testsuite.cVolker Lendecke1-1/+1
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-06-08tevent: change version to 0.9.16Stefan Metzmacher2-1/+83
This adds tevent_*_trace_*() and tevent_context_init_ops() metze Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Fri Jun 8 20:47:41 CEST 2012 on sn-devel-104
2012-06-08tevent: expose tevent_context_init_opsStefan Metzmacher2-3/+19
This can be used to implement wrapper backends, while passing a private pointer to the backens init function via ev->additional_data. metze
2012-06-08lib/tevent: Add trace point callbackMartin Schwenke8-0/+82
Set/get a single callback function to be invoked at various trace points. Define "before wait" and "after wait" trace points - more trace points can be added later if required. CTDB wants this to log long waits and events. Pair-programmed-with: Amitay Isaacs <amitay@gmail.com> Signed-off-by: Martin Schwenke <martin@meltin.net> Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-06-08lib/tevent: In poll_event_context, add a pointer back to the tevent_contextMartin Schwenke1-0/+4
This makes it consistent with the other backends. Signed-off-by: Martin Schwenke <martin@meltin.net> Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-05-30build: Remove unused release scripts for teventAndrew Bartlett5-426/+0
These now use waf dist, and the script/librelease.sh script as a wrapper. The mksyms.sh call in the source3/Makefile uses the copy in source3/script Andrew Bartlett
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