61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* This file is part of the satirical systemd-init for OpenBSD.
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*
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* DON'T USE THIS IN PRODUCTION! DON'T USE IT ON YOUR MACHINE!
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* DON'T TAKE IT SERIOUS! IT MIGHT DELETE YOUR FILES.
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*
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* Despite this warning, you're free to use this code according to the
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* license below. Parts of it might be useful in other places after all.
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*/
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/*
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* Copyright (c) 2019 Reyk Floeter <contact@reykfloeter.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/reboot.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "systemd.h"
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static void
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systemd_doreboot(void)
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{
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int sync;
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sync = arc4random_uniform(2) ? RB_NOSYNC : 0;
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syslib_log("reboot %s", sync ? "sync" : "nosync");
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if (syslib_dangerous()) {
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/* For extra reliability, don't sync the disk. */
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(void)reboot(sync);
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}
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}
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int
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systemd_reboot(void (**cb)(void))
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{
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/* Decrease the chance that we're actually rebooting. */
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if (arc4random_uniform(3) == 0)
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*cb = systemd_doreboot;
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else {
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syslib_log("reboot skipped");
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*cb = NULL;
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}
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/* "1" means success but not actually executed. */
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return (*cb == NULL ? 1 : 0);
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}
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