44 lines
2.6 KiB
C
44 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/nexgen32e/nexgen32e.h"
|
|
#include "libc/nt/enum/status.h"
|
|
#include "libc/nt/errors.h"
|
|
#include "libc/nt/nt/time.h"
|
|
#include "libc/nt/synchronization.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
textwindows int nanosleep$nt(const struct timespec *req, struct timespec *rem) {
|
|
int64_t millis, hectonanos, relasleep;
|
|
if (rem) memcpy(rem, req, sizeof(*rem));
|
|
hectonanos = req->tv_sec * 10000000ull + div100int64(req->tv_nsec);
|
|
hectonanos = MAX(1, hectonanos);
|
|
relasleep = -hectonanos;
|
|
if (NtError(NtDelayExecution(true, &relasleep))) {
|
|
millis = div10000int64(hectonanos);
|
|
millis = MAX(1, millis);
|
|
if (SleepEx(millis, true) == kNtWaitIoCompletion) {
|
|
return eintr();
|
|
}
|
|
}
|
|
if (rem) memset(rem, 0, sizeof(*rem));
|
|
return 0;
|
|
}
|