| -rw-r--r-- | core/opiealarm/opiealarm.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/core/opiealarm/opiealarm.c b/core/opiealarm/opiealarm.c index 5ea24b7..072dca7 100644 --- a/core/opiealarm/opiealarm.c +++ b/core/opiealarm/opiealarm.c @@ -13,32 +13,33 @@ #include <linux/rtc.h> #include <sys/ioctl.h> #include <sys/time.h> #include <sys/types.h> #include <fcntl.h> #include <unistd.h> #include <errno.h> #include <time.h> #include <stdlib.h> #include <syslog.h> #include <signal.h> #include <errno.h> #include <string.h> #define PIDFILE "/var/run/opiealarm.pid" +#define TIMEFILE "/var/run/resumeat" #define APMFILE "/proc/apm" int resume ( int resuspend ); int suspend ( int fix_rtc ); int main ( int argc, char **argv ); int fork_with_pidfile ( void ); int kill_with_pidfile ( void ); void remove_pidfile ( void ); void usage ( void ); void sig_handler_child ( int sig ); void sig_handler_parent ( int sig ); int onac ( void ); static int opiealarm_was_running; static pid_t parent_pid = 0; @@ -232,78 +233,78 @@ int suspend ( int fix_rtc ) memset ( &rtc, 0, sizeof ( struct tm )); // get the RTC time if ( ioctl ( fd, RTC_RD_TIME, &rtc ) < 0 ) break; // ( 1, "ioctl RTC_RD_TIME" ); 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 ) + if ( ioctl ( fd, RTC_SET_TIME, &set ) < 0 ) break; // ( 1, "ioctl RTC_SET_TIME" ); } - // read the wakeup time from /etc/resumeat - if (!( fp = fopen ( "/etc/resumeat", "r" ))) - break; // ( 1, "/etc/resumeat" ); + // read the wakeup time from TIMEFILE + if (!( fp = fopen ( TIMEFILE, "r" ))) + break; // ( 1, TIMEFILE ); if ( !fgets ( buf, sizeof( buf ) - 1, fp )) - break; // ( 1, "/etc/resumeat" ); + break; // ( 1, TIMEFILE ); fclose ( fp ); alrt = atoi ( buf ); // get the alarm time if ( alrt == 0 ) - break; // ( 0, "/etc/resumeat contains an invalid time description" ); + 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 ); remove_pidfile ( ); return 0; - } while ( 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 ) { |