- if (argc >= 2 && fork() == 0) {
- if (dpy)
- close(ConnectionNumber(dpy));
- execvp(argv[1], argv+1);
- die("slock: execvp %s failed: %s\n", argv[1], strerror(errno));
+ /* DPMS magic to disable the monitor */
+ if (!DPMSCapable(dpy))
+ die("slock: DPMSCapable failed\n");
+ if (!DPMSEnable(dpy))
+ die("slock: DPMSEnable failed\n");
+ if (!DPMSGetTimeouts(dpy, &standby, &suspend, &off))
+ die("slock: DPMSGetTimeouts failed\n");
+ if (!standby || !suspend || !off)
+ die("slock: at least one DPMS variable is zero\n");
+ if (!DPMSSetTimeouts(dpy, monitortime, monitortime, monitortime))
+ die("slock: DPMSSetTimeouts failed\n");
+
+ XSync(dpy, 0);
+
+ /* run post-lock command */
+ if (argc > 0) {
+ switch (fork()) {
+ case -1:
+ die("slock: fork failed: %s\n", strerror(errno));
+ case 0:
+ if (close(ConnectionNumber(dpy)) < 0)
+ die("slock: close: %s\n", strerror(errno));
+ execvp(argv[0], argv);
+ fprintf(stderr, "slock: execvp %s: %s\n", argv[0], strerror(errno));
+ _exit(1);
+ }