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authorFrederic Culot <calcurse@culot.org>2009-07-26 20:26:14 +0000
committerFrederic Culot <calcurse@culot.org>2009-07-26 20:26:14 +0000
commitbccd37ef968dc07c2e3435123deba3e541662e0c (patch)
treeae3db9b611497a9229f3624fdb910b81920cc1ca
parent3d23af73c0032ad08766d2375fd9827493a7d658 (diff)
downloadcalcurse-bccd37ef968dc07c2e3435123deba3e541662e0c.tar.gz
calcurse-bccd37ef968dc07c2e3435123deba3e541662e0c.zip
--status flag added
-rwxr-xr-xChangeLog4
-rwxr-xr-xsrc/args.c55
-rwxr-xr-xsrc/io.c27
-rwxr-xr-xsrc/io.h3
-rwxr-xr-xsrc/utils.c15
5 files changed, 92 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index 0b59f65..6d36b03 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,10 @@
again Chris for reporting it)
* src/io.c (io_unset_lock): function removed
+ * src/io.c (io_get_pid): new function
+
+ * src/args.c (status_arg): new function
+ * src/args.c: --status flag added
2009-07-23 Frederic Culot <frederic@culot.org>
diff --git a/src/args.c b/src/args.c
index d174b27..b8ff28c 100755
--- a/src/args.c
+++ b/src/args.c
@@ -1,4 +1,4 @@
-/* $calcurse: args.c,v 1.57 2009/07/26 12:30:23 culot Exp $ */
+/* $calcurse: args.c,v 1.58 2009/07/26 20:26:14 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -40,6 +40,7 @@
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
+#include <limits.h>
#include <getopt.h>
#include <time.h>
#include <regex.h>
@@ -166,6 +167,39 @@ help_arg ()
}
/*
+ * Used to display the status of running instances of calcurse.
+ * The displayed message will look like one of the following ones:
+ *
+ * calcurse is running (pid #)
+ * calcurse is running in background (pid #)
+ * calcurse is not running
+ *
+ * The status is obtained by looking at pid files in user data directory
+ * (.calcurse.pid and .daemon.pid).
+ */
+static void
+status_arg (void)
+{
+ int cpid, dpid;
+
+ cpid = io_get_pid (path_cpid);
+ dpid = io_get_pid (path_dpid);
+
+ EXIT_IF (cpid && dpid,
+ _("Error: both calcurse (pid: %d) and its daemon (pid: %d)\n"
+ "seem to be running at the same time!\n"
+ "Please check manually and restart calcurse.\n"),
+ cpid, dpid);
+
+ if (cpid)
+ fprintf (stdout, _("calcurse is running (pid %d)\n"), cpid);
+ else if (dpid)
+ fprintf (stdout, _("calcurse is running in background (pid %d)\n"), dpid);
+ else
+ fprintf (stdout, _("calcurse is not running\n"));
+}
+
+/*
* Display note contents if one is asociated with the currently displayed item
* (to be used together with the '-a' or '-t' flag in non-interactive mode).
* Each line begins with nbtab tabs.
@@ -660,12 +694,19 @@ parse_args (int argc, char **argv, conf_t *conf)
int tflag = 0; /* -t: print todo list */
int vflag = 0; /* -v: print version number */
int xflag = 0; /* -x: export data */
-
+
int tnum = 0, xfmt = 0, non_interactive = 0, multiple_flag = 0, load_data = 0;
char *ddate = "", *cfile = NULL, *range = NULL, *startday = NULL;
char *datadir = NULL, *ifile = NULL;
regex_t reg, *preg = NULL;
+ /* Long options only */
+ int statusflag = 0; /* --status: get the status of running instances */
+ enum
+ {
+ STATUS_OPT = CHAR_MAX + 1
+ };
+
static char *optstr = "hvnNax::t::d:c:r::s::S:D:i:";
struct option longopts[] = {
@@ -680,6 +721,7 @@ parse_args (int argc, char **argv, conf_t *conf)
{"range", optional_argument, NULL, 'r'},
{"startday", optional_argument, NULL, 's'},
{"search", required_argument, NULL, 'S'},
+ {"status", no_argument, NULL, STATUS_OPT},
{"todo", optional_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{"export", optional_argument, NULL, 'x'},
@@ -690,6 +732,9 @@ parse_args (int argc, char **argv, conf_t *conf)
{
switch (ch)
{
+ case STATUS_OPT:
+ statusflag = 1;
+ break;
case 'a':
aflag = 1;
multiple_flag++;
@@ -843,6 +888,12 @@ parse_args (int argc, char **argv, conf_t *conf)
version_arg ();
non_interactive = 1;
}
+ else if (statusflag)
+ {
+ io_init (cfile, datadir);
+ status_arg ();
+ non_interactive = 1;
+ }
else if (multiple_flag)
{
if (load_data)
diff --git a/src/io.c b/src/io.c
index 3cd765d..ed4266f 100755
--- a/src/io.c
+++ b/src/io.c
@@ -1,4 +1,4 @@
-/* $calcurse: io.c,v 1.73 2009/07/26 12:47:15 culot Exp $ */
+/* $calcurse: io.c,v 1.74 2009/07/26 20:26:15 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -2976,3 +2976,28 @@ io_dump_pid (char *file)
return 1;
}
+
+/*
+ * Return the pid number contained in a file previously created with
+ * io_dump_pid ().
+ * If no file was found, return 0.
+ */
+unsigned
+io_get_pid (char *file)
+{
+ FILE *fp;
+ unsigned pid;
+
+ if (!file)
+ return 0;
+
+ if ((fp = fopen (file, "r")) == 0)
+ return 0;
+
+ if (fscanf (fp, "%u", &pid) != 1)
+ return 0;
+
+ (void)fclose (fp);
+
+ return pid;
+}
diff --git a/src/io.h b/src/io.h
index b910cd4..b68d11a 100755
--- a/src/io.h
+++ b/src/io.h
@@ -1,4 +1,4 @@
-/* $calcurse: io.h,v 1.24 2009/07/26 12:47:16 culot Exp $ */
+/* $calcurse: io.h,v 1.25 2009/07/26 20:26:15 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -88,5 +88,6 @@ void io_start_psave_thread (conf_t *);
void io_stop_psave_thread (void);
void io_set_lock (void);
unsigned io_dump_pid (char *);
+unsigned io_get_pid (char *);
#endif /* !CALCURSE_IO_H */
diff --git a/src/utils.c b/src/utils.c
index e825196..b4e7a93 100755
--- a/src/utils.c
+++ b/src/utils.c
@@ -1,4 +1,4 @@
-/* $calcurse: utils.c,v 1.79 2009/07/26 12:47:16 culot Exp $ */
+/* $calcurse: utils.c,v 1.80 2009/07/26 20:26:16 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -64,7 +64,7 @@
void
exit_calcurse (int status)
{
- int remove_lock;
+ int was_interactive;
if (ui_mode == UI_CURSES)
{
@@ -73,10 +73,10 @@ exit_calcurse (int status)
refresh ();
endwin ();
ui_mode = UI_CMDLINE;
- remove_lock = 1;
+ was_interactive = 1;
}
else
- remove_lock = 0;
+ was_interactive = 0;
calendar_stop_date_thread ();
io_stop_psave_thread ();
@@ -93,14 +93,13 @@ exit_calcurse (int status)
notify_free_app ();
keys_free ();
mem_stats ();
- if (remove_lock)
+ if (was_interactive)
{
if (unlink (path_cpid) != 0)
EXIT (_("Could not remove calcurse lock file: %s\n"),
- strerror (errno));
+ strerror (errno));
+ dmon_start (status);
}
-
- dmon_start (status);
exit (status);
}