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70 Commits

Author SHA1 Message Date
Victor Stinner 20cc695286
gh-64783: Fix signal.NSIG value on FreeBSD (#91929) 
Fix signal.NSIG value on FreeBSD to accept signal numbers greater
than 32, like signal.SIGRTMIN and signal.SIGRTMAX.

* Add Py_NSIG constant.
* Add pycore_signal.h internal header file.
* _Py_Sigset_Converter() now includes the range of valid signals in
  the error message.
 2022-04-26 00:13:31 +02:00
AJ Jordan 326ae71f1d
Fix awkward sentence in signal docs (#91508) 
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2022-04-19 18:20:25 -07:00
benfogle d0906c90fc
bpo-42340: Document issues around KeyboardInterrupt (GH-23255) 
Update documentation to note that in some circumstances,
KeyboardInterrupt may cause code to enter an inconsistent state. Also
document sample workaround to avoid KeyboardInterrupt, if needed.
 2022-03-29 14:21:36 -07:00
Gareth Rees a62be77266
bpo-45643: Add signal.SIGSTKFLT on platforms where this is defined (GH-29266) 2021-12-13 18:22:43 +01:00
Bibo-Joshi 9be930f9b1
bpo-28206: Document signals Handlers, Sigmasks and Signals enums (GH-28628) 
Co-authored-by: desbma <desbma@users.noreply.github.com>
 2021-10-04 13:09:40 +02:00
Zhang Maiyun 4c24b08cd3
Fix wrong availability for signal.SIGCHLD (#23285) 
I believe this is a mistake. SIGCHLD is only available on Unix systems, not Windows.
 2020-11-20 20:16:46 +02:00
Tim Burke 47f6ec4c09
Doc: Fix broken manpage link (GH-21937) 
sigprocmask is in section 2, not 3.
 2020-09-15 20:26:06 -03:00
Victor Stinner 400e1dbcad
Document most common signals (GH-19245) 
Document individual signals (only the most common signals):
description, default action, availability.
 2020-03-31 19:13:10 +02:00
Victor Stinner d2a8e5b42c
bpo-40010: COMPUTE_EVAL_BREAKER() checks for subinterpreter (GH-19087) 
COMPUTE_EVAL_BREAKER() now also checks if the Python thread state
belongs to the main interpreter. Don't break the evaluation loop if
there are pending signals but the Python thread state it belongs to a
subinterpeter.

* Add _Py_IsMainThread() function.
* Add _Py_ThreadCanHandleSignals() function.
 2020-03-20 13:38:58 +01:00
Saiyang Gou 7514f4f625
bpo-39184: Add audit events to functions in `fcntl`, `msvcrt`, `os`, `resource`, `shutil`, `signal`, `syslog` (GH-18407) 2020-02-13 07:47:42 +00:00
Benjamin Peterson 7483451577
closes bpo-38712: Add signal.pidfd_send_signal. (GH-17070) 
This exposes a Linux-specific syscall for sending a signal to a process
identified by a file descriptor rather than a pid.

For simplicity, we don't support the siginfo_t parameter to the syscall. This
parameter allows implementing a pidfd version of rt_sigqueueinfo(2), which
Python also doesn't support.
 2019-11-19 20:39:14 -08:00
Géry Ogam cfebfef2de Improve signal documentation (GH-14274) 
* add a missing ``.. availability::`` reST explicit markup;
* more consistent "see man page" sentences.
 2019-08-06 14:12:22 -07:00
Julien Palard e85ef7a7ea
bpo-28795: Signal documentation: Fix misleading statement. (GH-13121) 2019-05-07 17:27:48 +02:00
Vladimir Matveev c24c6c2c93 bpo-35568: add 'raise_signal' function (GH-11335) 
As in title, expose C `raise` function as `raise_function` in `signal` module. Also drop existing `raise_signal` in `_testcapi` module and replace all usages with new function.


https://bugs.python.org/issue35568
 2019-01-08 01:58:25 -08:00
Cheryl Sabella 2d6097d027 bpo-11233: Create availability directive for documentation (GH-9692) 
Replace "Availability: xxx" with ".. availability:: xxx" in the doc.
Original patch by Georg Brandl.

Co-Authored-By: Georg Brandl <georg@python.org>
 2018-10-12 16:55:20 +02:00
Alfred Perlstein a2510732da Warn not to set SIGPIPE to SIG_DFL (#6773) 2018-08-17 14:48:05 +01:00
Antoine Pitrou 9d3627e311
bpo-33332: Add signal.valid_signals() (GH-6581) 2018-05-04 13:00:50 +02:00
Antoine Pietri 5d2a27de62 signal: add strsignal() (#6017) 
Co-authored-by: Vajrasky Kok <sky.kok@speaklikeaking.com>
 2018-03-12 14:42:34 +01:00
Nathaniel J. Smith 902ab80b59 bpo-30050: Allow disabling full buffer warnings in signal.set_wakeup_fd (#4792) 2017-12-17 23:10:18 -05:00
Victor Stinner ef611c96ea bpo-30807: signal.setitimer() now uses _PyTime API (GH-3865) 
The _PyTime API handles detects overflow and is well tested.

Document that the signal will only be sent once if internal is equal
to zero.
 2017-10-13 13:49:43 -07:00
Antoine Pitrou d79c1d4a94 Mention how to disable signal fd wakeup (#2140) 2017-06-13 10:14:09 +02:00
Berker Peksag 219a012156 Issue #28738: Document SIGBREAK as an acceptable value on Windows 
Patch by Wojtek Ruszczewski.
 2016-11-25 19:46:57 +03:00
Terry Jan Reedy fa089b9b0b Issue #22558: Add remaining doc links to source code for Python-coded modules. 
Reformat header above separator line (added if missing) to a common format.
Patch by Yoni Lavi.
 2016-06-11 15:02:54 -04:00
Berker Peksag 77e543c6cd Issue #21382: Clarify signal.signal() documentation on Windows 
All signal.SIG* constants may not be defined on Windows so a call like

    signal.signal(signal.SIGPIPE, lambda signum, frame: sys.exit(1))

will raise an AttributeError.
 2016-04-24 02:59:16 +03:00
Martin Panter 199e3f8b96 Issue #14456: Remove contradiction about blocking signals from bad merge 2016-04-11 02:44:34 +00:00
Martin Panter c04fb56e36 Issue #26304: Change "allows to <verb>" to "allows <verb>ing" or similar 
The original form is incorrect grammar and feels awkward, even though the
meaning is clear.
 2016-02-10 05:44:01 +00:00
Serhiy Storchaka 153627c111 Marked keystrokes with the :kbd: role. 
Fixed the case of the "Ctrl-" prefixes.
 2015-09-12 17:46:20 +03:00
Serhiy Storchaka 0424eaf753 Marked keystrokes with the :kbd: role. 
Fixed the case of the "Ctrl-" prefixes.
 2015-09-12 17:45:25 +03:00
Tal Einat c7027b7904 Issue #20182: converted the signal module to use Argument Clinic 2015-05-16 14:14:49 +03:00
Victor Stinner eb011cb8df What's New in Python 3.5, PEP 475: mention modified signal functions 2015-03-31 12:19:15 +02:00
Victor Stinner a453cd8d85 Issue #23715: signal.sigwaitinfo() and signal.sigtimedwait() are now retried 
when interrupted by a signal not in the *sigset* parameter, if the signal
handler does not raise an exception. signal.sigtimedwait() recomputes the
timeout with a monotonic clock when it is retried.

Remove test_signal.test_sigwaitinfo_interrupted() because sigwaitinfo() doesn't
raise InterruptedError anymore if it is interrupted by a signal not in its
sigset parameter.
 2015-03-20 12:54:28 +01:00
Victor Stinner 115171086a Issue #22018: On Windows, signal.set_wakeup_fd() now also supports sockets. 
A side effect is that Python depends to the WinSock library.
 2014-07-29 23:31:34 +02:00
Victor Stinner 1d8948e023 Backout 42ced0d023cd: oops, i didn't want to push this changeset :-/ 2014-07-24 22:51:05 +02:00
Victor Stinner d18ccd19f0 tets 2014-07-24 21:58:53 +02:00
Giampaolo Rodola' e09fb7198a fix #21076: turn signal module constants into enums 2014-04-04 15:34:17 +02:00
Georg Brandl c377fe2b96 Closes #1215: document better why it is not a good idea to catch e.g. SIGSEGV and refer to faulthandler. 
Patch by Martin Pool.
 2013-10-06 21:22:42 +02:00
Antoine Pitrou 8bbe9b4390 Fix formatting 2012-03-31 21:09:53 +02:00
Antoine Pitrou 682d443e01 Issue #14456: improve documentation of the signal module w.r.t. threads. 2012-03-31 21:09:00 +02:00
Antoine Pitrou 6afd11c762 Issue #14456: improve documentation of the signal module w.r.t. threads. 2012-03-31 20:56:21 +02:00
Victor Stinner 643cd68ea4 Issue #13964: signal.sigtimedwait() timeout is now a float instead of a tuple 
Add a private API to convert an int or float to a C timespec structure.
 2012-03-02 22:54:03 +01:00
Antoine Pitrou 767c0a82ad Mention InterruptedError in the doc for new function signal.sigwaitinfo 2011-10-23 23:52:23 +02:00
Antoine Pitrou 4272d6a315 Fix some mentions of IOError 2011-10-12 19:10:10 +02:00
Ross Lagerwall bc808224b6 Issue #12303: Add sigwaitinfo() and sigtimedwait() to the signal module. 2011-06-25 12:13:40 +02:00
Victor Stinner 2a12974bca Close #12028: Make threading._get_ident() public, rename it to 
threading.get_ident() and document it. This function was used by
_thread.get_ident().
 2011-05-30 23:02:52 +02:00
Victor Stinner d49b1f14de Issue #8407: The signal handler writes the signal number as a single byte 
instead of a nul byte into the wakeup file descriptor. So it is possible to
wait more than one signal and know which signals were raised.
 2011-05-08 02:03:15 +02:00
Victor Stinner b3e7219abf Issue #8407: Add pthread_kill(), sigpending() and sigwait() functions to the 
signal module.
 2011-05-08 01:46:11 +02:00
Victor Stinner 35b300c5fd Issue #8407: signal.pthread_sigmask() returns a set instead of a list 
Update the doc. Refactor also related tests.
 2011-05-04 13:20:35 +02:00
Victor Stinner a929335961 Issue #8407, issue #11859: Add signal.pthread_sigmask() function to fetch 
and/or change the signal mask of the calling thread.

Fix also tests of test_io using threads and an alarm: use pthread_sigmask() to
ensure that the SIGALRM signal is received by the main thread.

Original patch written by Jean-Paul Calderone.
 2011-04-30 15:21:58 +02:00
Georg Brandl 60203b41b0 Migrate to Sphinx 1.0 C language constructs. 2010-10-06 10:11:56 +00:00
Brian Curtin ef9efbd69c Fix #9324: Add parameter validation to signal.signal on Windows in order 
to prevent crashes.
 2010-08-06 19:27:32 +00:00