diff options
Diffstat (limited to 'sig.c')
| -rw-r--r-- | sig.c | 25 |
1 files changed, 24 insertions, 1 deletions
@@ -202,13 +202,23 @@ signal_handler_exit (const int signum) #endif +/* set handlers for unix signals */ + +#ifdef HAVE_SIGNAL_H +#define SM_UNDEF 0 +#define SM_PRE_INIT 1 +#define SM_POST_INIT 2 +static int signal_mode; /* GLOBAL */ +#endif + void pre_init_signal_catch (void) { #ifdef HAVE_SIGNAL_H + signal_mode = SM_PRE_INIT; signal (SIGINT, signal_handler); signal (SIGTERM, signal_handler); - signal (SIGHUP, signal_handler); + signal (SIGHUP, SIG_IGN); signal (SIGUSR1, SIG_IGN); signal (SIGUSR2, SIG_IGN); signal (SIGPIPE, SIG_IGN); @@ -219,6 +229,7 @@ void post_init_signal_catch (void) { #ifdef HAVE_SIGNAL_H + signal_mode = SM_POST_INIT; signal (SIGINT, signal_handler); signal (SIGTERM, signal_handler); signal (SIGHUP, signal_handler); @@ -228,6 +239,18 @@ post_init_signal_catch (void) #endif /* HAVE_SIGNAL_H */ } +/* called after daemonization to retain signal settings */ +void +restore_signal_state (void) +{ +#ifdef HAVE_SIGNAL_H + if (signal_mode == SM_PRE_INIT) + pre_init_signal_catch (); + else if (signal_mode == SM_POST_INIT) + post_init_signal_catch (); +#endif +} + /* * Print statistics. * |