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authorschurig <schurig>2003-06-14 06:13:10 (UTC)
committer schurig <schurig>2003-06-14 06:13:10 (UTC)
commit0f585a530a83683ef21e9ad082c27bed2d33aed5 (patch) (side-by-side diff)
tree88ff04e518725e28a471adae7b64f86b1fb71f82
parent6b57a9fbe9f56e6af3911ea9337872c468b614b5 (diff)
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fixed a path in a comment
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--core/opiealarm/opiealarm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/core/opiealarm/opiealarm.c b/core/opiealarm/opiealarm.c
index 465e633..998cabd 100644
--- a/core/opiealarm/opiealarm.c
+++ b/core/opiealarm/opiealarm.c
@@ -1,69 +1,69 @@
/*
* opiealarm.c
*
* This program is for extracting the event time/date out
- * of /etc/resumeat and setting the RTC alarm to that time/date.
+ * of /var/run/resumeat and setting the RTC alarm to that time/date.
* It is designed to run via a script just before the iPAQ
* is suspended and right after the iPAQ resumes operation.
*
* written and copyrighted by Robert Griebl <sandman@handhelds.org>
*/
#include <stdio.h>
#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;
void sig_handler_child ( int sig )
{
// child got SIGUSR2 -> cleanup pidfile and exit
remove_pidfile ( );
exit ( 0 );
}
void sig_handler_parent ( int sig )
{
// parent got SIGUSR1 -> safe to exit now
parent_pid = 0;
exit ( 0 );
}
void usage ( void )
{
fprintf ( stderr, "Usage: opiealarm -s [-f] | -r [-a]\n\n" );
fprintf ( stderr, "\t-s\tSuspend mode: set RTC alarm\n" );
fprintf ( stderr, "\t-f \tFix RTC, if RTC and system have more than 5sec difference (suspend mode)\n" );
fprintf ( stderr, "\t-r\tResume mode: kill running opiealarm\n" );
@@ -310,74 +310,74 @@ int suspend ( int fix_rtc )
int onac ( void )
{
FILE *fp;
int on = 0;
// check the apm proc interface for AC status
if (( fp = fopen ( APMFILE, "r" ))) {
int ac = 0;
if ( fscanf ( fp, "%*[^ ] %*d.%*d 0x%*x 0x%x 0x%*x 0x%*x %*d%% %*i %*c", &ac ) == 1 )
on = ( ac == 0x01 ) ? 1 : 0;
fclose ( fp );
}
return on;
}
int resume ( int resuspend )
{
FILE *fp;
// re-suspend when on AC (optional) when woken up via RTC
if ( !opiealarm_was_running ) {
// if opiealarm -s didn't wake up via RTC, the old process gets killed
// by kill_by_pidfile(), which is recorded in opiealarm_was_running
if ( resuspend && onac ( )) {
time_t start, now;
char *argv [4];
if ( !fork_with_pidfile ( ))
return 4;
// we can't wait for the resuspend timeout in the parent process.
// so we fork and tell the parent it can exit immediatly
kill ( parent_pid, SIGUSR1 );
// sleep <resuspend> seconds - this method is much more precise than sleep() !
time ( &start );
do {
sleep ( 1 );
time ( &now );
} while (( now - start ) < resuspend );
if ( onac ( )) { // still on ac ?
argv[0] = "qcop";
argv[1] = "QPE/Desktop";
argv[2] = "suspend()";
argv[3] = 0;
// hard coded for now ...but needed
// another way would be to simulate a power-button press
setenv ( "LOGNAME", "root", 1 );
setenv ( "HOME", "/root", 1 );
setenv ( "LD_LIBRARY_PATH", "/opt/QtPalmtop/lib", 1 );
setenv ( "QTDIR", "/opt/QtPalmtop", 1 );
remove_pidfile ( );
- // no need for system() since this process is no longer usefull anyway
+ // no need for system() since this process is no longer usefull anyway
execv ( "/opt/QtPalmtop/bin/qcop", argv );
perror ( "exec for qcop failed" );
return 5;
}
}
}
return 0;
}