jobcore/runit/halt.c

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2022-03-20 13:19:37 +01:00
/*
2023-09-29 20:44:07 +02:00
* halt.c: A halt/poweroff/reboot wrapper for Joborun runit implementation
* Based on halt.c from void-runit and artix runit
2022-03-20 13:19:37 +01:00
*/
#include <errno.h>
#include <unistd.h>
#include <err.h>
#include <string.h>
#include <sys/reboot.h>
extern char *__progname;
typedef enum {NOOP, HALT, REBOOT, POWEROFF} action_type;
int main(int argc, char *argv[]) {
int do_sync = 1;
int do_force = 0;
int opt;
action_type action = NOOP;
if (strcmp(__progname, "halt") == 0)
action = HALT;
else if (strcmp(__progname, "reboot") == 0)
action = REBOOT;
else if (strcmp(__progname, "poweroff") == 0)
action = POWEROFF;
else
warnx("no default behavior, needs to be called as halt/reboot/poweroff.");
while ((opt = getopt(argc, argv, "dfhinw")) != -1)
switch (opt) {
case 'n':
do_sync = 0;
break;
case 'w':
action = NOOP;
do_sync = 0;
break;
case 'd':
case 'h':
case 'i':
/* silently ignored. */
break;
case 'f':
do_force = 1;
break;
default:
errx(1, "Usage: %s [-n] [-f]", __progname);
}
if (do_sync)
sync();
switch (action) {
case HALT:
if (do_force)
reboot(RB_HALT_SYSTEM);
else
execl("/bin/runit-init", "init", "0", (char*)0);
err(1, "halt failed");
break;
case POWEROFF:
if (do_force)
reboot(RB_POWER_OFF);
else
execl("/bin/runit-init", "init", "0", (char*)0);
err(1, "poweroff failed");
break;
case REBOOT:
if (do_force)
reboot(RB_AUTOBOOT);
else
execl("/bin/runit-init", "init", "6", (char*)0);
err(1, "reboot failed");
break;
case NOOP:
break;
}
return 0;
}