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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/sock/accept4.c Normal file
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/*-*- 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/calls/internal.h"
#include "libc/dce.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sysv/errfuns.h"
/**
* Creates client socket file descriptor for incoming connection.
*
* @param fd is the server socket file descriptor
* @param out_addr will receive the remote address
* @param inout_addrsize provides and receives out_addr's byte length
* @param flags can have SOCK_{CLOEXEC,NONBLOCK}, which may apply to
* both the newly created socket and the server one
* @return client fd which needs close(), or -1 w/ errno
*/
int accept4(int fd, void *out_addr, uint32_t *inout_addrsize, int flags) {
if (!IsWindows()) {
return accept4$sysv(fd, out_addr, inout_addrsize, flags);
} else if (isfdkind(fd, kFdSocket)) {
return accept$nt(&g_fds.p[fd], out_addr, inout_addrsize, flags);
} else {
return ebadf();
}
}