diff options
Diffstat (limited to 'src/sysdep.c')
| -rw-r--r-- | src/sysdep.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index 573d419970..480813e6cb 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -659,7 +659,29 @@ ignore_sigio (void) signal (SIGIO, SIG_IGN); #endif } + +#ifndef MSDOS +/* Block SIGCHLD. */ + +void +block_child_signal (sigset_t *oldset) +{ + sigset_t blocked; + sigemptyset (&blocked); + sigaddset (&blocked, SIGCHLD); + sigaddset (&blocked, SIGINT); + pthread_sigmask (SIG_BLOCK, &blocked, oldset); +} + +/* Unblock SIGCHLD. */ + +void +unblock_child_signal (sigset_t const *oldset) +{ + pthread_sigmask (SIG_SETMASK, oldset, 0); +} +#endif /* !MSDOS */ /* Saving and restoring the process group of Emacs's terminal. */ |