cosmopolitan/libc/sock/connect.c
Justine Tunney 3e4fd4b0ad Add epoll and do more release readiness changes
This change also pays off some of the remaining technical debt with
stdio, file descriptors, and memory managemnt polyfills.
2020-11-28 12:01:51 -08:00

45 lines
2.6 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/calls/internal.h"
#include "libc/dce.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sysv/errfuns.h"
/**
* Connects socket to remote end.
*
* ProTip: Connectionless sockets, e.g. UDP, can be connected too. The
* benefit is not needing to specify the remote address on each send. It
* also means getsockname() can be called to retrieve routing details.
*
* @return 0 on success or -1 w/ errno
* @asyncsignalsafe
*/
int connect(int fd, const void *addr, uint32_t addrsize) {
if (!addr) return efault();
if (!IsWindows()) {
return connect$sysv(fd, addr, addrsize);
} else if (__isfdkind(fd, kFdSocket)) {
return connect$nt(&g_fds.p[fd], addr, addrsize);
} else {
return ebadf();
}
}