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/* SPDX-License-Identifier: ISC */
#include "init.h"
static void handle_signal(int signo)
{
int status;
pid_t pid;
switch (signo) {
case SIGCHLD:
while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
status = WIFEXITED(status) ? WEXITSTATUS(status) :
EXIT_FAILURE;
supervisor_handle_exited(pid, status);
}
break;
case SIGTERM:
supervisor_set_target(TGT_SHUTDOWN);
break;
case SIGINT:
supervisor_set_target(TGT_REBOOT);
break;
case SIGHUP:
break;
case SIGUSR1:
break;
}
}
void target_completed(int target)
{
switch (target) {
case TGT_BOOT:
break;
case TGT_SHUTDOWN:
for (;;)
reboot(RB_POWER_OFF);
break;
case TGT_REBOOT:
for (;;)
reboot(RB_AUTOBOOT);
break;
}
}
int main(void)
{
struct sigaction act;
supervisor_init();
memset(&act, 0, sizeof(act));
act.sa_handler = handle_signal;
sigaction(SIGCHLD, &act, NULL);
sigaction(SIGTERM, &act, NULL);
sigaction(SIGINT, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGUSR1, &act, NULL);
if (reboot(LINUX_REBOOT_CMD_CAD_OFF))
perror("cannot disable CTRL+ALT+DEL");
for (;;) {
while (supervisor_process_queues())
;
pause();
}
return EXIT_SUCCESS;
}
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