-rw-r--r-- | core/opiealarm/opiealarm.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/core/opiealarm/opiealarm.c b/core/opiealarm/opiealarm.c index ce0103e..d96ffaf 100644 --- a/core/opiealarm/opiealarm.c +++ b/core/opiealarm/opiealarm.c @@ -45,2 +45,4 @@ static int opiealarm_was_running; +static pid_t startpid = 0; + @@ -60,2 +62,5 @@ void error_msg_and_die ( int perr, const char *msg ) + if ( getpid ( ) != startpid ) + kill ( startpid, SIGUSR1 ); + while ( 1 ) // pretend we are waiting on RTC, so opiealarm -r can kill us @@ -67,4 +72,6 @@ void sig_handler ( int sig ) { - log_msg ( "GOT SIGNAL -> EXITING\n" ); - fclose ( log ); + if ( log ) { + log_msg ( "GOT SIGNAL -> EXITING\n" ); + fclose ( log ); + } remove_pidfile ( ); @@ -73,2 +80,7 @@ void sig_handler ( int sig ) +void sig_handler_parent ( int sig ) +{ + exit ( 0 ); +} + void usage ( void ) @@ -90,4 +102,8 @@ int fork_with_pidfile ( void ) - if ( pid > 0 ) + if ( pid > 0 ) { + signal ( SIGUSR1, sig_handler_parent ); + while ( 1 ) + sleep ( 1000 ); exit ( 0 ); + } else if ( pid < 0 ) { @@ -182,2 +198,3 @@ int main ( int argc, char **argv ) // kill running opiealarm + startpid = getpid ( ); opiealarm_was_running = kill_with_pidfile ( ); @@ -194,2 +211,3 @@ int main ( int argc, char **argv ) + int suspend ( int fix_rtc ) @@ -211,3 +229,2 @@ int suspend ( int fix_rtc ) - if (!( fp = fopen ( "/etc/resumeat", "r" ))) @@ -225,4 +242,4 @@ int suspend ( int fix_rtc ) - /* subtract 5 sec from event time... */ - alrt -= 5; + alrt -= 5; // wake up 5 sec before the specified time + @@ -276,3 +293,5 @@ int suspend ( int fix_rtc ) - log_msg ( "SLEEPING\n" ); + if ( log ) + fprintf( log, "SIGUSR: pid %d - SLEEPING: pid %d\n", startpid, getpid ( )); + kill ( startpid, SIGUSR1 ); @@ -328,2 +347,3 @@ int resume ( int resuspend ) return 4; + kill ( startpid, SIGUSR1 ); |