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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/' ```
64 lines
3 KiB
C
64 lines
3 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 2020 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/syscall-nt.internal.h"
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#include "libc/calls/syscall_support-nt.internal.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/nt/enum/processcreationflags.h"
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#include "libc/nt/errors.h"
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#include "libc/nt/process.h"
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#include "libc/nt/runtime.h"
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#include "libc/proc/proc.internal.h"
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#include "libc/sysv/consts/prio.h"
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#include "libc/sysv/errfuns.h"
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textwindows int sys_setpriority_nt(int which, unsigned pid, int nice) {
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if (which != PRIO_PROCESS) {
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return einval();
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}
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int64_t handle;
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if (!(handle = __proc_handle(pid))) {
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return esrch();
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}
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uint32_t tier;
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if (nice <= -15) {
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tier = kNtRealtimePriorityClass;
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} else if (nice <= -9) {
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tier = kNtHighPriorityClass;
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} else if (nice <= -3) {
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tier = kNtAboveNormalPriorityClass;
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} else if (nice <= 3) {
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tier = kNtNormalPriorityClass;
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} else if (nice <= 12) {
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tier = kNtBelowNormalPriorityClass;
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} else {
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tier = kNtIdlePriorityClass;
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}
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if (SetPriorityClass(handle, tier)) return 0;
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STRACE("SetPriorityClass() failed with %d", GetLastError());
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switch (GetLastError()) {
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case kNtErrorInvalidHandle:
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return esrch(); // Otherwise EBADF would be returned.
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default:
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return __winerr(); // TODO: Does this get EPERM/EACCES right?
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}
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}
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