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| author | Victor Stinner <vstinner@python.org> | 2020-11-17 21:55:30 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-17 21:55:30 (GMT) |
| commit | 29aa624047f893b3b3194f00252b2156bbbf4f9b (patch) | |
| tree | c78d32249babc7ffa23a71b2164c8ddc40e0b3ac /Modules | |
| parent | 282282a1c9347adbd07a2d59c2b861df7580cebb (diff) | |
| download | cpython-29aa624047f893b3b3194f00252b2156bbbf4f9b.zip cpython-29aa624047f893b3b3194f00252b2156bbbf4f9b.tar.gz cpython-29aa624047f893b3b3194f00252b2156bbbf4f9b.tar.bz2 | |
bpo-41686: Move _Py_RestoreSignals() to signalmodule.c (GH-23353)
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/signalmodule.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c index 955d4a5..acaaafe 100644 --- a/Modules/signalmodule.c +++ b/Modules/signalmodule.c @@ -1770,6 +1770,29 @@ signal_install_handlers(void) } +/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL. + * + * All of the code in this function must only use async-signal-safe functions, + * listed at `man 7 signal` or + * http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html. + * + * If this function is updated, update also _posix_spawn() of subprocess.py. + */ +void +_Py_RestoreSignals(void) +{ +#ifdef SIGPIPE + PyOS_setsig(SIGPIPE, SIG_DFL); +#endif +#ifdef SIGXFZ + PyOS_setsig(SIGXFZ, SIG_DFL); +#endif +#ifdef SIGXFSZ + PyOS_setsig(SIGXFSZ, SIG_DFL); +#endif +} + + int _PySignal_Init(int install_signal_handlers) { |