cosmopolitan/libc/sock/accept-nt.c

52 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/internal.h"
#include "libc/nt/files.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/sock.h"
#include "libc/sysv/errfuns.h"
textwindows int accept$nt(struct Fd *fd, void *addr, uint32_t *addrsize,
int flags) {
int client;
uint32_t yes;
assert(fd->kind == kFdSocket);
if ((client = __getemptyfd()) == -1) return -1;
if ((g_fds.p[client].handle = WSAAccept(fd->handle, addr, (int32_t *)addrsize,
NULL, NULL)) != -1) {
if (flags & SOCK_NONBLOCK) {
yes = 1;
if (__ioctlsocket$nt(g_fds.p[client].handle, FIONBIO, &yes) == -1) {
__closesocket$nt(g_fds.p[client].handle);
return __winsockerr();
}
}
g_fds.p[client].kind = kFdSocket;
g_fds.p[client].flags = flags;
return client;
} else {
return __winsockerr();
}
}