chvt(crash_chvt);
if (crash_shell) {
+ sigset_t mask;
+
log_info("Executing crash shell in 10s...");
sleep(10);
+ /* Make sure the signal is not delivered inside the
+ * exec() */
+ assert_se(sigemptyset(&mask) == 0);
+ assert_se(sigaddset(&mask, sig) == 0);
+ assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
+
+ ignore_signal(sig);
+
execl("/bin/sh", "/bin/sh", NULL);
log_error("execl() failed: %s", strerror(errno));
}
assert_se(reset_all_signal_handlers() == 0);
/* If we are init, we can block sigkill. Yay. */
- signal(SIGKILL, SIG_IGN);
- signal(SIGPIPE, SIG_IGN);
+ ignore_signal(SIGKILL);
+ ignore_signal(SIGPIPE);
/* Close all open files */
assert_se(close_all_fds(NULL, 0) == 0);
dbus_shutdown();
+ if (getpid() == 1)
+ freeze();
+
return retval;
}