diff options
Diffstat (limited to 'Python/pythonrun.c')
| -rw-r--r-- | Python/pythonrun.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c index cfa19b0708..2bdef981ad 100644 --- a/Python/pythonrun.c +++ b/Python/pythonrun.c @@ -2130,6 +2130,27 @@ initsigs(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. + */ +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 +} + + /* * The file descriptor fd is considered ``interactive'' if either * a) isatty(fd) is TRUE, or @@ -2223,6 +2244,11 @@ PyOS_getsig(int sig) #endif } +/* + * 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. + */ PyOS_sighandler_t PyOS_setsig(int sig, PyOS_sighandler_t handler) { |