51 lines
2.7 KiB
C
51 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net 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/bits/bits.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/kntprioritycombos.internal.h"
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#include "libc/fmt/conv.h"
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#include "libc/nexgen32e/ffs.h"
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#include "libc/nt/enum/processcreationflags.h"
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#include "libc/nt/enum/threadpriority.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/nt/thread.h"
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#include "libc/runtime/runtime.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 getpriority$nt(int ignored) {
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size_t i;
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uint32_t tier, lg2tier, wut;
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if ((tier = GetPriorityClass(GetCurrentProcess())) != 0 &&
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(wut = GetThreadPriority(GetCurrentThread())) != -1u) {
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lg2tier = ffs(tier);
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for (i = 0; i < kNtPriorityCombosLen; ++i) {
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if (kNtPriorityCombos[i].lg2tier == lg2tier &&
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kNtPriorityCombos[i].wut == wut) {
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return kNtPriorityCombos[i].nice;
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}
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}
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abort();
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} else {
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return __winerr();
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}
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}
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