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;