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https://github.com/jart/cosmopolitan.git
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2046c0d2ae
- Expand redbean UNIX module - Expand redbean documentation - Ensure Lua copyright is embedded in binary - Increase the PATH_MAX limit especially on NT - Use column major sorting for linenoise completions - Fix some suboptimalities in redbean's new UNIX API - Figured out right flags for Multics newline in raw mode
65 lines
3.4 KiB
C
65 lines
3.4 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/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/sig.internal.h"
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#include "libc/calls/struct/rusage.h"
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#include "libc/fmt/conv.h"
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#include "libc/intrin/spinlock.h"
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#include "libc/nt/accounting.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/struct/iocounters.h"
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#include "libc/nt/struct/processmemorycounters.h"
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#include "libc/nt/thread.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/rusage.h"
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#include "libc/sysv/errfuns.h"
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textwindows int sys_getrusage_nt(int who, struct rusage *usage) {
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int64_t me, nsignals;
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struct NtIoCounters iocount;
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struct NtProcessMemoryCountersEx memcount;
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struct NtFileTime ftExit, ftUser, ftKernel, ftCreation;
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if (!usage) return efault();
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if (who == 99) return enosys(); // @see libc/sysv/consts.sh
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if (!usage) return 0;
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me = GetCurrentProcess();
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if (!(who == RUSAGE_SELF ? GetProcessTimes : GetThreadTimes)(
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(who == RUSAGE_SELF ? GetCurrentProcess : GetCurrentThread)(),
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&ftCreation, &ftExit, &ftKernel, &ftUser) ||
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!GetProcessMemoryInfo(me, &memcount, sizeof(memcount)) ||
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!GetProcessIoCounters(me, &iocount)) {
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return __winerr();
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}
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_spinlock(&__sig_lock);
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nsignals = __sig_count;
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_spunlock(&__sig_lock);
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*usage = (struct rusage){
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.ru_utime = WindowsDurationToTimeVal(ReadFileTime(ftUser)),
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.ru_stime = WindowsDurationToTimeVal(ReadFileTime(ftKernel)),
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.ru_maxrss = memcount.PeakWorkingSetSize / 1024,
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.ru_majflt = memcount.PageFaultCount,
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.ru_inblock = iocount.ReadOperationCount,
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.ru_oublock = iocount.WriteOperationCount,
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.ru_nsignals = __sig_count,
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};
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return 0;
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}
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