diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/redshift.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/redshift.c b/src/redshift.c index 4a5bfbf..8950097 100644 --- a/src/redshift.c +++ b/src/redshift.c @@ -1404,14 +1404,29 @@ main(int argc, char *argv[]) sigact.sa_handler = sigexit; sigact.sa_mask = sigset; sigact.sa_flags = 0; - sigaction(SIGINT, &sigact, NULL); - sigaction(SIGTERM, &sigact, NULL); - /* Install signal handler for USR1 singal */ + r = sigaction(SIGINT, &sigact, NULL); + if (r < 0) { + perror("sigaction"); + exit(EXIT_FAILURE); + } + + r = sigaction(SIGTERM, &sigact, NULL); + if (r < 0) { + perror("sigaction"); + exit(EXIT_FAILURE); + } + + /* Install signal handler for USR1 signal */ sigact.sa_handler = sigdisable; sigact.sa_mask = sigset; sigact.sa_flags = 0; - sigaction(SIGUSR1, &sigact, NULL); + + r = sigaction(SIGUSR1, &sigact, NULL); + if (r < 0) { + perror("sigaction"); + exit(EXIT_FAILURE); + } #endif /* HAVE_SIGNAL_H && ! __WIN32__ */ if (verbose) { |