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50 lines
2.6 KiB
C
50 lines
2.6 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/dce.h"
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#include "libc/errno.h"
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#include "libc/sock/internal.h"
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#include "libc/sysv/consts/sock.h"
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int sys_socket(int family, int type, int protocol) {
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static bool once, demodernize;
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int sock, olderr;
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if (!once && (type & (SOCK_CLOEXEC | SOCK_NONBLOCK))) {
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if (IsXnu()) {
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demodernize = true;
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once = true;
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} else {
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olderr = errno;
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if ((sock = __sys_socket(family, type, protocol)) != -1) {
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once = true;
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return sock;
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} else {
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errno = olderr;
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demodernize = true;
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once = true;
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}
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}
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}
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if (!demodernize) {
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return __sys_socket(family, type, protocol);
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} else {
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return __fixupnewsockfd(
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__sys_socket(family, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK), protocol),
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type);
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}
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}
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