cosmopolitan/libc/sock/accept-nt.c
Justine Tunney 4e56d89dcd Eliminate some flakes
- Get ASAN working on Windows.

- Deleting directories and then recreating them with the same name in a
  short period of time appears to be a no-no on Windows.

- There's no reason to call FlushFileBuffers on close() for pipes, and
  it's harmful since it might block indefinitely for no good reason.
2021-02-03 06:25:27 -08:00

56 lines
2.9 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/nt/files.h"
#include "libc/nt/struct/pollfd.h"
#include "libc/nt/winsock.h"
#include "libc/sock/internal.h"
#include "libc/sock/yoink.inc"
#include "libc/sysv/consts/fio.h"
#include "libc/sysv/consts/poll.h"
#include "libc/sysv/consts/sock.h"
#include "libc/sysv/errfuns.h"
textwindows int accept$nt(struct Fd *fd, void *addr, uint32_t *addrsize,
int flags) {
int64_t h;
int client;
uint32_t yes;
for (;;) {
if (!WSAPoll(&(struct pollfd$nt){fd->handle, POLLIN}, 1, 1000)) continue;
if ((client = __reservefd()) == -1) return -1;
if ((h = WSAAccept(fd->handle, addr, (int32_t *)addrsize, 0, 0)) != -1) {
if (flags & SOCK_NONBLOCK) {
yes = 1;
if (__ioctlsocket$nt(g_fds.p[client].handle, FIONBIO, &yes) == -1) {
__closesocket$nt(g_fds.p[client].handle);
__releasefd(client);
return __winsockerr();
}
}
g_fds.p[client].kind = kFdSocket;
g_fds.p[client].flags = flags;
g_fds.p[client].handle = h;
return client;
} else {
__releasefd(client);
return __winsockerr();
}
}
}