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https://github.com/jart/cosmopolitan.git
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14d036b68d
All tests pass now under WSL2. They should pass under WSL1 too, but only WSL2 is integrated into the test fleet right now. This change also fills in some gaps in the error numbers. Fixes #665
56 lines
3 KiB
C
56 lines
3 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/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/sock/internal.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/sockaddr.h"
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#include "libc/sock/struct/sockaddr.internal.h"
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#include "libc/sock/syscall_fd.internal.h"
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#include "libc/sysv/errfuns.h"
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/**
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* Connects socket to remote end.
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*
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* ProTip: Connectionless sockets, e.g. UDP, can be connected too. The
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* benefit is not needing to specify the remote address on each send. It
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* also means getsockname() can be called to retrieve routing details.
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*
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* @return 0 on success or -1 w/ errno
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* @asyncsignalsafe
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* @restartable (unless SO_RCVTIMEO)
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*/
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int connect(int fd, const struct sockaddr *addr, uint32_t addrsize) {
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int rc;
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if (addr && !(IsAsan() && !__asan_is_valid(addr, addrsize))) {
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if (!IsWindows()) {
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rc = sys_connect(fd, addr, addrsize);
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} else if (__isfdkind(fd, kFdSocket)) {
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rc = sys_connect_nt(&g_fds.p[fd], addr, addrsize);
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} else {
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rc = ebadf();
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}
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} else {
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rc = efault();
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}
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STRACE("connect(%d, %s) → %d% lm", fd, DescribeSockaddr(addr, addrsize), rc);
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return rc;
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}
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