mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
fbc053e018
- Introduce __assert_disable global - Improve strsignal() thread safety - Make system call tracing thread safe - Fix SO_RCVTIMEO / SO_SNDTIMEO on Windows - Refactor DescribeFoo() functions into one place - Fix fork() on Windows when TLS and MAP_STACK exist - Round upwards in setsockopt(SO_RCVTIMEO) on Windows - Disable futexes on OpenBSD which seem extremely broken - Implement a better kludge for monotonic time on Windows
61 lines
3.1 KiB
C
61 lines
3.1 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 2022 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/calls/sig.internal.h"
|
|
#include "libc/calls/strace.internal.h"
|
|
#include "libc/nt/enum/wait.h"
|
|
#include "libc/nt/errors.h"
|
|
#include "libc/sock/internal.h"
|
|
#include "libc/sock/sock.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
textwindows int __wsablock(int64_t handle, struct NtOverlapped *overlapped,
|
|
uint32_t *flags, bool restartable,
|
|
uint32_t timeout) {
|
|
uint32_t i, got;
|
|
if (WSAGetLastError() != kNtErrorIoPending) {
|
|
NTTRACE("sock i/o failed %lm");
|
|
return __winsockerr();
|
|
}
|
|
for (;;) {
|
|
i = WSAWaitForMultipleEvents(1, &overlapped->hEvent, true,
|
|
__SIG_POLLING_INTERVAL_MS, true);
|
|
if (i == kNtWaitFailed) {
|
|
NTTRACE("WSAWaitForMultipleEvents failed %lm");
|
|
return __winsockerr();
|
|
} else if (i == kNtWaitTimeout || i == kNtWaitIoCompletion) {
|
|
if (_check_interrupts(restartable, g_fds.p)) {
|
|
return eintr();
|
|
}
|
|
if (timeout) {
|
|
if (timeout <= __SIG_POLLING_INTERVAL_MS) {
|
|
return eagain();
|
|
}
|
|
timeout -= __SIG_POLLING_INTERVAL_MS;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (!WSAGetOverlappedResult(handle, overlapped, &got, false, flags)) {
|
|
NTTRACE("WSAGetOverlappedResult failed %lm");
|
|
return __winsockerr();
|
|
}
|
|
return got;
|
|
}
|