1 files changed, 3 insertions, 1 deletions

diff --git a/core/opiealarm/opiealarm.c b/core/opiealarm/opiealarm.c
index 072dca7..465e633 100644
--- a/core/opiealarm/opiealarm.c
+++ b/core/opiealarm/opiealarm.c
@@ -71,49 +71,49 @@ void usage ( void )
 	exit ( 1 );
 }
 
 int fork_with_pidfile ( void )
 {
 	FILE *fp;
 	pid_t pid;
 	
 	pid = fork ( );
 	
 	if ( pid > 0 ) {
 		// We can not just exit now, because the kernel could suspend 
 		// the iPAQ just before the child process sets the RTC.
 		// Solution: just wait for SIGUSR1 - the child process will 
 		// signal this when it thinks it is safe to exit.
 		
 		signal ( SIGUSR1, sig_handler_parent );
 		while ( 1 )
 			sleep ( 1000 );
 		exit ( 0 );
 	}
 	else if ( pid < 0 ) {
 		perror ( "forking failed" );
 		return 0;
-	}
+	}	
 
 	// child process needs to react to SIGUSR2. This is sent when
 	// a new opiealarm process is started.
 
 	signal ( SIGUSR2, sig_handler_child );
 
 	// save pid
 	if (( fp = fopen ( PIDFILE, "w" ))) {
 		fprintf ( fp, "%d", getpid ( ));
 		fclose ( fp );
 
 		// detach
 		close ( 0 );
 		close ( 1 );
 		close ( 2 );
 
 		setpgid ( 0, 0 );
 
 		return 1;
 	}
 	else {
 		perror ( PIDFILE );
 		return 0;
 	}
@@ -237,76 +237,78 @@ int suspend ( int fix_rtc )
 	
 		rtct = mktime ( &rtc );
 
 		rtc_sys_diff = ( syst - rtct ) - sys. tm_gmtoff;  // calculate the difference between system and hardware time
 	
 		if ( fix_rtc && (( rtc_sys_diff < -3 ) || ( rtc_sys_diff > 3 ))) {
 			struct tm set;		
 			set = *gmtime ( &syst );
 		
 			// if the difference between system and hardware time is more than 3 seconds,
 			// we have to set the RTC (hwclock --systohc), or alarms won't work reliably.
 
 			if ( ioctl ( fd, RTC_SET_TIME, &set ) < 0 )
 				break; //  ( 1, "ioctl RTC_SET_TIME" );
 		}
 
 		// read the wakeup time from TIMEFILE
 		if (!( fp = fopen ( TIMEFILE, "r" ))) 
 			break; //  ( 1, TIMEFILE );
 	
 		if ( !fgets ( buf, sizeof( buf ) - 1, fp ))
 			break; //  ( 1, TIMEFILE );
 
 		fclose ( fp );
+		fp = 0;
 	
 		alrt = atoi ( buf ); // get the alarm time
 
 		if ( alrt == 0 )
 			break; //  ( 0, TIMEFILE " contains an invalid time description" );	
 		alrt -= 5; 	// wake up 5 sec before the specified time	
 	
 		alr = *gmtime ( &alrt );
 	
 		if ( ioctl ( fd, RTC_ALM_SET, &alr ) < 0 )  // set RTC alarm time
 			break; //  ( 1, "ioctl RTC_ALM_SET" );		
 	
 	 	if ( ioctl ( fd, RTC_AIE_ON, 0 ) < 0 )
 			break; //  ( 1, "ioctl RTC_AIE_ON" );   // enable RTC alarm irq
 
 		// tell the parent it is safe to exit now .. we have set the RTC alarm
 		kill ( parent_pid, SIGUSR1 );
 			
 		if ( read ( fd, buf, sizeof( unsigned long )) < 0 ) // wait for the RTC alarm irq
 			break; //  ( 1, "read rtc alarm" );
 	
 		// iPAQ woke up via RTC irq -- otherwise we would have received a SIGUSR2
 		// from the "resume instance" of opiealarm.
 	
 		if ( ioctl ( fd, RTC_AIE_OFF, 0 ) < 0 )     // disable RTC alarm irq
 			break; //  ( 1, "ioctl RTC_AIE_OFF" );
 
 		close ( fd );
+		fd = -1;
 		
 		remove_pidfile ( );
 		
 		return 0;	
 
 	} while ( 0 );
 
 	if ( fp != NULL )
 		fclose ( fp );
 	
 	if ( fd != -1 )
 		close ( fd );
 
 	kill ( parent_pid, SIGUSR1 );
 
 	while ( 1 )		    // pretend that we are waiting on RTC, so opiealarm -r can kill us
 		sleep ( 1000 ); // if we don't do this, the "resuspend on AC" would be triggerd
 	return 0;
 }
 
 int onac ( void )
 {
 	FILE *fp;
 	int on = 0;