mirror of
https://github.com/jart/cosmopolitan.git
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70 lines
3.5 KiB
C
70 lines
3.5 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/internal.h"
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#include "libc/mem/mem.h"
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#include "libc/nt/files.h"
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#include "libc/nt/struct/pollfd.h"
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#include "libc/nt/winsock.h"
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#include "libc/sock/internal.h"
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#include "libc/sock/yoink.inc"
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#include "libc/sysv/consts/fio.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/poll.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/sysv/errfuns.h"
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textwindows int sys_accept_nt(struct Fd *fd, void *addr, uint32_t *addrsize,
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int flags) {
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int64_t h;
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int client, oflags;
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struct SockFd *sockfd, *sockfd2;
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sockfd = (struct SockFd *)fd->extra;
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for (;;) {
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if (!WSAPoll(&(struct sys_pollfd_nt){fd->handle, POLLIN}, 1, 1000))
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continue;
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if ((client = __reservefd()) == -1) return -1;
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if ((h = WSAAccept(fd->handle, addr, (int32_t *)addrsize, 0, 0)) != -1) {
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oflags = 0;
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if (flags & SOCK_CLOEXEC) oflags |= O_CLOEXEC;
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if (flags & SOCK_NONBLOCK) oflags |= O_NONBLOCK;
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if (flags & SOCK_NONBLOCK) {
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if (__sys_ioctlsocket_nt(g_fds.p[client].handle, FIONBIO,
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(uint32_t[]){1}) == -1) {
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__winsockerr();
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__sys_closesocket_nt(g_fds.p[client].handle);
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__releasefd(client);
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return -1;
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}
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}
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sockfd2 = calloc(1, sizeof(struct SockFd));
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sockfd2->family = sockfd->family;
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sockfd2->type = sockfd->type;
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sockfd2->protocol = sockfd->protocol;
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sockfd2->event = WSACreateEvent();
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g_fds.p[client].kind = kFdSocket;
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g_fds.p[client].flags = oflags;
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g_fds.p[client].handle = h;
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g_fds.p[client].extra = (uintptr_t)sockfd2;
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return client;
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} else {
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__releasefd(client);
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return __winsockerr();
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}
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}
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}
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