diff options
Diffstat (limited to 'src/signals.c')
| -rw-r--r-- | src/signals.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/signals.c b/src/signals.c index 4e51c77..eca77e6 100644 --- a/src/signals.c +++ b/src/signals.c @@ -34,15 +34,26 @@ void setup_signal_handlers() sigset_t feh_ss; D_ENTER(4); - sigemptyset(&feh_ss); - sigaddset(&feh_ss, SIGUSR1); - sigaddset(&feh_ss, SIGUSR2); + if ( + (sigemptyset(&feh_ss) == -1) || + (sigaddset(&feh_ss, SIGUSR1) == -1) || + (sigaddset(&feh_ss, SIGUSR2) == -1)) + { + weprintf("Failed to set up signal mask, SIGUSR1/2 won't work"); + D_RETURN_(4); + } feh_sh.sa_handler = feh_handle_signal; feh_sh.sa_mask = feh_ss; - sigaction(SIGUSR1, &feh_sh, NULL); - sigaction(SIGUSR2, &feh_sh, NULL); + if ( + (sigaction(SIGUSR1, &feh_sh, NULL) == -1) || + (sigaction(SIGUSR2, &feh_sh, NULL) == -1)) + { + weprintf("Failed to set up signal handler, SIGUSR1/2 won't work"); + D_RETURN_(4); + } + D_RETURN_(4); } |