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Improved the way the daemon reports errors.

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This commit is contained in:
Frederic Culot 2009-07-26 21:03:21 +00:00
parent 279c564d2b
commit d2ad15c812
2 changed files with 27 additions and 15 deletions
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1
ChangeLog
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@ -10,6 +10,7 @@
* src/args.c: --status flag added
* src/dmon.c (dmon_stop): new function
* src/dmon.c: DMON_LOG and DMON_ABRT defines added
2009-07-23 Frederic Culot <frederic@culot.org>

41
src/dmon.c
View File

@ -1,4 +1,4 @@
/* $calcurse: dmon.c,v 1.4 2009/07/26 20:38:36 culot Exp $ */
/* $calcurse: dmon.c,v 1.5 2009/07/26 21:03:21 culot Exp $ */
/*
* Calcurse - text-based organizer
@ -55,15 +55,27 @@
#define DMON_SLEEP_TIME 60
#define DMON_LOG(...) do { \
(void)io_fprintln (path_dmon_log, __VA_ARGS__); \
} while (0)
#define DMON_ABRT(...) do { \
DMON_LOG (__VA_ARGS__); \
exit (EXIT_FAILURE); \
} while (0)
static void
dmon_sigs_hdlr (int sig)
{
notify_free_app ();
(void)io_fprintln (path_dmon_log, _("terminated at %s with signal %d\n"),
nowstr (), sig);
DMON_LOG (_("terminated at %s with signal %d\n"), nowstr (), sig);
if (unlink (path_dpid) != 0)
EXIT (_("Could not remove daemon lock file: %s\n"), strerror (errno));
{
DMON_LOG (_("Could not remove daemon lock file: %s\n"),
strerror (errno));
exit (EXIT_FAILURE);
}
exit (EXIT_SUCCESS);
}
@ -82,8 +94,7 @@ daemonize (int status)
switch (fork ())
{
case -1: /* fork error */
ERROR_MSG (_("Could not fork: %s\n"), strerror (errno));
return 0;
EXIT (_("Could not fork: %s\n"), strerror (errno));
break;
case 0: /* child */
break;
@ -99,8 +110,8 @@ daemonize (int status)
*/
if (setsid () == -1)
{
ERROR_MSG (_("Could not detach from the controlling terminal: %s\n"),
strerror (errno));
DMON_LOG (_("Could not detach from the controlling terminal: %s\n"),
strerror (errno));
return 0;
}
@ -110,8 +121,8 @@ daemonize (int status)
*/
if (chdir ("/") == -1)
{
ERROR_MSG (_("Could not change working directory: %s\n"),
strerror (errno));
DMON_LOG (_("Could not change working directory: %s\n"),
strerror (errno));
return 0;
}
@ -144,10 +155,10 @@ dmon_start (int parent_exit_status)
conf_t conf;
if (!daemonize (parent_exit_status))
EXIT (_("Cannot daemonize, aborting\n"));
DMON_ABRT (_("Cannot daemonize, aborting\n"));
if (!io_dump_pid (path_dpid))
EXIT (_("Could not set lock file\n"));
DMON_ABRT (_("Could not set lock file\n"));
io_check_file (path_conf, (int *)0);
custom_load_conf (&conf, 0);
@ -174,10 +185,10 @@ dmon_start (int parent_exit_status)
if (next.txt)
mem_free (next.txt);
(void)io_fprintln (path_dmon_log, _("sleeping at %s for %d seconds\n"),
nowstr (), DMON_SLEEP_TIME);
DMON_LOG (_("sleeping at %s for %d seconds\n"), nowstr (),
DMON_SLEEP_TIME);
psleep (DMON_SLEEP_TIME);
(void)io_fprintln (path_dmon_log, _("awakened at %s\n"), nowstr ());
DMON_LOG (_("awakened at %s\n"), nowstr ());
}
}