22f35d5af4
As OpenBSD manual for pause(3) stated, this function is made obsolete by sigsuspend(2). We may think it will be removed in future for this *nix. On linux, this require defining _POSIX_C_SOURCE to 1.
148 lines
2.6 KiB
C
148 lines
2.6 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#ifdef NOTIFY
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#include <libnotify/notify.h>
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#endif /* NOTIFY */
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#include "arg.h"
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char *argv0;
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/* macros */
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#define LEN(a) (sizeof(a) / sizeof(a[0]))
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typedef struct {
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unsigned int tmr;
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char *cmt;
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} Timers;
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#include "config.h"
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static int i, timecount, suspend;
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/* function declarations */
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static void die(const char *errstr, ...);
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static void spawn(char *cmd, char *cmt);
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static void notify_send(char *cmt);
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static void remaining_time(int sigint);
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static void toggle(int sigint);
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static void usage(void);
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/* functions implementations */
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void
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die(const char *errstr, ...)
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{
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va_list ap;
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va_start(ap, errstr);
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vfprintf(stderr, errstr, ap);
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va_end(ap);
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exit(1);
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}
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void
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spawn(char *cmd, char *cmt)
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{
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if (fork() == 0) {
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setsid();
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execlp(cmd, cmd, "spt", cmt, NULL);
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die("spt: execlp %s\n", cmd);
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perror(" failed");
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exit(0);
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}
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}
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void
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notify_send(char *cmt)
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{
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#ifdef NOTIFY
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notify_init("spt");
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NotifyNotification *n = notify_notification_new("spt", cmt, \
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"dialog-information");
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notify_notification_show(n, NULL);
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g_object_unref(G_OBJECT(n));
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notify_uninit();
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#else
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if (strcmp(notifycmd, "")) /* TODO: call function in config.h */
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spawn(notifycmd, cmt);
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#endif /* NOTIFY */
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if (strcmp(notifyext, "")) /* extra commands to use */
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spawn(notifyext, NULL);
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}
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void
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remaining_time(int sigint)
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{
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char buf[17];
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if (signal(SIGUSR1, SIG_IGN) != SIG_IGN)
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signal(SIGUSR1, remaining_time);
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snprintf(buf, 17, "Remaining: %02d:%02d\n",
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(timers[i].tmr - timecount) / 60,
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(timers[i].tmr - timecount) % 60);
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notify_send(buf);
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}
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void
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toggle(int sigint) {
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if (signal(SIGUSR2, SIG_IGN) != SIG_IGN)
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signal(SIGUSR2, toggle);
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suspend ^= 1;
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}
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void
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usage(void)
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{
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die("usage: %s [-e notifyext] [-n notifycmd] [-v]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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sigset_t *emptymask = 0;
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suspend = 0;
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ARGBEGIN {
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case 'e':
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notifyext = EARGF(usage());
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break;
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case 'n':
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notifycmd = EARGF(usage());
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break;
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case 'v':
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die("spt " VERSION " © 2015 spt engineers, "
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"see LICENSE for details\n");
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default:
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usage();
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break;
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} ARGEND;
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if (signal(SIGUSR1, SIG_IGN) != SIG_IGN)
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signal(SIGUSR1, remaining_time);
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if (signal(SIGUSR2, SIG_IGN) != SIG_IGN)
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signal(SIGUSR2, toggle);
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for (i = 0; ; i = (i + 1) % LEN(timers)) {
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notify_send(timers[i].cmt);
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timecount = 0;
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while (timecount < timers[i].tmr)
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if (suspend)
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sigsuspend(emptymask);
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else {
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sleep(1);
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timecount++;
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}
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}
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return 0;
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}
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