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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
94 lines
3.8 KiB
C
94 lines
3.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above 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 │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/framebuffervirtualscreeninfo.h"
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#include "libc/dce.h"
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#include "libc/nt/enum/version.h"
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#include "libc/nt/system.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/errfuns.h"
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#define kNtShutdownForceOthers 1
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#define kNtShutdownForceSelf 2
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#define kNtShutdownGraceOverride 0x20
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#define kNtShutdownHybrid 0x200
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int32_t sys_reboot_linux(int32_t, int32_t, int32_t) asm("sys_reboot");
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int32_t sys_reboot_bsd(int32_t, const char *) asm("sys_reboot");
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/**
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* Reboots system.
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*
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* The `howto` argument may be one of the following:
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*
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* - `RB_AUTOBOOT`
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* - `RB_POWER_OFF`
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* - `RB_HALT_SYSTEM`
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* - `RB_SW_SUSPEND` (linux and windows only)
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* - `RB_KEXEC` (linux only)
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* - `RB_ENABLE_CAD` (linux only)
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* - `RB_DISABLE_CAD` (linux only)
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*
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* There's an implicit `sync()` operation before the reboot happens.
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* This can be prevented by or'ing `howto` with `RB_NOSYNC`. Setting
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* this option will also prevent apps on Windows from having time to
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* close themselves.
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*/
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int reboot(int howto) {
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bool ok, immediately;
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if (howto != -1) {
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if (!(howto & 0x20000000)) {
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sync();
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immediately = false;
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} else {
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howto &= ~0x20000000;
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immediately = true;
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}
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if (!IsWindows()) {
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if (IsLinux()) {
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return sys_reboot_linux(0xFEE1DEAD, 0x28121969, howto);
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} else {
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return sys_reboot_bsd(howto, 0);
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}
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} else {
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if (howto == 0xD000FCE2u) {
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ok = !!SetSuspendState(0, 0, 0);
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} else {
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howto |= kNtShutdownForceSelf;
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howto |= kNtShutdownForceOthers;
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if (NtGetVersion() >= kNtVersionWindows8) {
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howto |= kNtShutdownHybrid;
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}
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if (immediately) {
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ok = !!InitiateShutdown(0, 0, 0, howto | kNtShutdownGraceOverride, 0);
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} else {
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ok = !!InitiateShutdown(0, 0, 20, howto, 0);
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}
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}
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if (ok) {
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return 0;
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} else {
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return -1;
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}
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}
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} else {
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return einval();
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}
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}
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