diff options
Diffstat (limited to 'utils/cache_gc/main.c')
| -rw-r--r-- | utils/cache_gc/main.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/utils/cache_gc/main.c b/utils/cache_gc/main.c index 5adf19f..fe131cd 100644 --- a/utils/cache_gc/main.c +++ b/utils/cache_gc/main.c @@ -13,6 +13,7 @@ #include "kr_cache_gc.h" static volatile int killed = 0; +static volatile int exit_code = 0; static void got_killed(int signum) { @@ -21,12 +22,10 @@ static void got_killed(int signum) case 1: break; case 2: - exit(5); + exit_code = 5; break; - case 3: - abort(); default: - kr_assert(false); + abort(); } } @@ -60,16 +59,20 @@ int main(int argc, char *argv[]) { printf("Knot Resolver Cache Garbage Collector, version %s\n", PACKAGE_VERSION); if (setvbuf(stdout, NULL, _IONBF, 0) || setvbuf(stderr, NULL, _IONBF, 0)) { - fprintf(stderr, "Failed to to set output buffering (ignored): %s\n", + (void)fprintf(stderr, "Failed to to set output buffering (ignored): %s\n", strerror(errno)); - fflush(stderr); + (void)fflush(stderr); } - signal(SIGTERM, got_killed); - signal(SIGKILL, got_killed); - signal(SIGPIPE, got_killed); - signal(SIGCHLD, got_killed); - signal(SIGINT, got_killed); + struct sigaction act = { + .sa_handler = got_killed, + .sa_flags = SA_RESETHAND, + }; + sigemptyset(&act.sa_mask); + kr_assert(!sigaction(SIGTERM, &act, NULL)); + kr_assert(!sigaction(SIGPIPE, &act, NULL)); + kr_assert(!sigaction(SIGCHLD, &act, NULL)); + kr_assert(!sigaction(SIGINT, &act, NULL)); kr_cache_gc_cfg_t cfg = { .ro_txn_items = 200, @@ -131,7 +134,6 @@ int main(int argc, char *argv[]) return 1; } - int exit_code = 0; kr_cache_gc_state_t *gc_state = NULL; bool last_espace = false; do { |