-rw-r--r-- | core/opiealarm/opiealarm.c | 4 |
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 | |||
@@ -1,53 +1,53 @@ | |||
1 | /* | 1 | /* |
2 | * opiealarm.c | 2 | * opiealarm.c |
3 | * | 3 | * |
4 | * This program is for extracting the event time/date out | 4 | * This program is for extracting the event time/date out |
5 | * of /etc/resumeat and setting the RTC alarm to that time/date. | 5 | * of /var/run/resumeat and setting the RTC alarm to that time/date. |
6 | * It is designed to run via a script just before the iPAQ | 6 | * It is designed to run via a script just before the iPAQ |
7 | * is suspended and right after the iPAQ resumes operation. | 7 | * is suspended and right after the iPAQ resumes operation. |
8 | * | 8 | * |
9 | * written and copyrighted by Robert Griebl <sandman@handhelds.org> | 9 | * written and copyrighted by Robert Griebl <sandman@handhelds.org> |
10 | */ | 10 | */ |
11 | 11 | ||
12 | #include <stdio.h> | 12 | #include <stdio.h> |
13 | #include <linux/rtc.h> | 13 | #include <linux/rtc.h> |
14 | #include <sys/ioctl.h> | 14 | #include <sys/ioctl.h> |
15 | #include <sys/time.h> | 15 | #include <sys/time.h> |
16 | #include <sys/types.h> | 16 | #include <sys/types.h> |
17 | #include <fcntl.h> | 17 | #include <fcntl.h> |
18 | #include <unistd.h> | 18 | #include <unistd.h> |
19 | #include <errno.h> | 19 | #include <errno.h> |
20 | #include <time.h> | 20 | #include <time.h> |
21 | #include <stdlib.h> | 21 | #include <stdlib.h> |
22 | #include <syslog.h> | 22 | #include <syslog.h> |
23 | #include <signal.h> | 23 | #include <signal.h> |
24 | #include <errno.h> | 24 | #include <errno.h> |
25 | #include <string.h> | 25 | #include <string.h> |
26 | 26 | ||
27 | 27 | ||
28 | #define PIDFILE "/var/run/opiealarm.pid" | 28 | #define PIDFILE "/var/run/opiealarm.pid" |
29 | #define TIMEFILE "/var/run/resumeat" | 29 | #define TIMEFILE "/var/run/resumeat" |
30 | #define APMFILE "/proc/apm" | 30 | #define APMFILE "/proc/apm" |
31 | 31 | ||
32 | int resume ( int resuspend ); | 32 | int resume ( int resuspend ); |
33 | int suspend ( int fix_rtc ); | 33 | int suspend ( int fix_rtc ); |
34 | int main ( int argc, char **argv ); | 34 | int main ( int argc, char **argv ); |
35 | int fork_with_pidfile ( void ); | 35 | int fork_with_pidfile ( void ); |
36 | int kill_with_pidfile ( void ); | 36 | int kill_with_pidfile ( void ); |
37 | void remove_pidfile ( void ); | 37 | void remove_pidfile ( void ); |
38 | void usage ( void ); | 38 | void usage ( void ); |
39 | void sig_handler_child ( int sig ); | 39 | void sig_handler_child ( int sig ); |
40 | void sig_handler_parent ( int sig ); | 40 | void sig_handler_parent ( int sig ); |
41 | int onac ( void ); | 41 | int onac ( void ); |
42 | 42 | ||
43 | static int opiealarm_was_running; | 43 | static int opiealarm_was_running; |
44 | static pid_t parent_pid = 0; | 44 | static pid_t parent_pid = 0; |
45 | 45 | ||
46 | 46 | ||
47 | 47 | ||
48 | void sig_handler_child ( int sig ) | 48 | void sig_handler_child ( int sig ) |
49 | { | 49 | { |
50 | // child got SIGUSR2 -> cleanup pidfile and exit | 50 | // child got SIGUSR2 -> cleanup pidfile and exit |
51 | 51 | ||
52 | remove_pidfile ( ); | 52 | remove_pidfile ( ); |
53 | exit ( 0 ); | 53 | exit ( 0 ); |
@@ -326,58 +326,58 @@ int onac ( void ) | |||
326 | return on; | 326 | return on; |
327 | } | 327 | } |
328 | 328 | ||
329 | int resume ( int resuspend ) | 329 | int resume ( int resuspend ) |
330 | { | 330 | { |
331 | FILE *fp; | 331 | FILE *fp; |
332 | 332 | ||
333 | // re-suspend when on AC (optional) when woken up via RTC | 333 | // re-suspend when on AC (optional) when woken up via RTC |
334 | 334 | ||
335 | if ( !opiealarm_was_running ) { | 335 | if ( !opiealarm_was_running ) { |
336 | // if opiealarm -s didn't wake up via RTC, the old process gets killed | 336 | // if opiealarm -s didn't wake up via RTC, the old process gets killed |
337 | // by kill_by_pidfile(), which is recorded in opiealarm_was_running | 337 | // by kill_by_pidfile(), which is recorded in opiealarm_was_running |
338 | 338 | ||
339 | if ( resuspend && onac ( )) { | 339 | if ( resuspend && onac ( )) { |
340 | time_t start, now; | 340 | time_t start, now; |
341 | char *argv [4]; | 341 | char *argv [4]; |
342 | 342 | ||
343 | if ( !fork_with_pidfile ( )) | 343 | if ( !fork_with_pidfile ( )) |
344 | return 4; | 344 | return 4; |
345 | 345 | ||
346 | // we can't wait for the resuspend timeout in the parent process. | 346 | // we can't wait for the resuspend timeout in the parent process. |
347 | // so we fork and tell the parent it can exit immediatly | 347 | // so we fork and tell the parent it can exit immediatly |
348 | 348 | ||
349 | kill ( parent_pid, SIGUSR1 ); | 349 | kill ( parent_pid, SIGUSR1 ); |
350 | 350 | ||
351 | // sleep <resuspend> seconds - this method is much more precise than sleep() ! | 351 | // sleep <resuspend> seconds - this method is much more precise than sleep() ! |
352 | time ( &start ); | 352 | time ( &start ); |
353 | do { | 353 | do { |
354 | sleep ( 1 ); | 354 | sleep ( 1 ); |
355 | time ( &now ); | 355 | time ( &now ); |
356 | } while (( now - start ) < resuspend ); | 356 | } while (( now - start ) < resuspend ); |
357 | 357 | ||
358 | if ( onac ( )) { // still on ac ? | 358 | if ( onac ( )) { // still on ac ? |
359 | argv[0] = "qcop"; | 359 | argv[0] = "qcop"; |
360 | argv[1] = "QPE/Desktop"; | 360 | argv[1] = "QPE/Desktop"; |
361 | argv[2] = "suspend()"; | 361 | argv[2] = "suspend()"; |
362 | argv[3] = 0; | 362 | argv[3] = 0; |
363 | 363 | ||
364 | // hard coded for now ...but needed | 364 | // hard coded for now ...but needed |
365 | // another way would be to simulate a power-button press | 365 | // another way would be to simulate a power-button press |
366 | 366 | ||
367 | setenv ( "LOGNAME", "root", 1 ); | 367 | setenv ( "LOGNAME", "root", 1 ); |
368 | setenv ( "HOME", "/root", 1 ); | 368 | setenv ( "HOME", "/root", 1 ); |
369 | setenv ( "LD_LIBRARY_PATH", "/opt/QtPalmtop/lib", 1 ); | 369 | setenv ( "LD_LIBRARY_PATH", "/opt/QtPalmtop/lib", 1 ); |
370 | setenv ( "QTDIR", "/opt/QtPalmtop", 1 ); | 370 | setenv ( "QTDIR", "/opt/QtPalmtop", 1 ); |
371 | 371 | ||
372 | remove_pidfile ( ); | 372 | remove_pidfile ( ); |
373 | 373 | ||
374 | // no need for system() since this process is no longer usefull anyway | 374 | // no need for system() since this process is no longer usefull anyway |
375 | execv ( "/opt/QtPalmtop/bin/qcop", argv ); | 375 | execv ( "/opt/QtPalmtop/bin/qcop", argv ); |
376 | 376 | ||
377 | perror ( "exec for qcop failed" ); | 377 | perror ( "exec for qcop failed" ); |
378 | return 5; | 378 | return 5; |
379 | } | 379 | } |
380 | } | 380 | } |
381 | } | 381 | } |
382 | return 0; | 382 | return 0; |
383 | } | 383 | } |