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| author | Jon Lund Steffensen <jonlst@gmail.com> | 2014-12-28 01:21:10 -0500 |
|---|---|---|
| committer | Jon Lund Steffensen <jonlst@gmail.com> | 2014-12-28 01:23:30 -0500 |
| commit | 4e7717cf14b29bc39ba8139e02f34b3510c49deb (patch) | |
| tree | 7adb1d1e51ae74b50097a565d03dfe182b6dfdef /src/redshift.c | |
| parent | redshift: Fix translation of period names (diff) | |
| download | redshift-ng-4e7717cf14b29bc39ba8139e02f34b3510c49deb.tar.gz redshift-ng-4e7717cf14b29bc39ba8139e02f34b3510c49deb.tar.bz2 redshift-ng-4e7717cf14b29bc39ba8139e02f34b3510c49deb.tar.xz | |
redshift: Properly handle errors in sigaction
Diffstat (limited to 'src/redshift.c')
| -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) { |