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/*
* Copyright (c) 2020 Gilles Chehade <gilles@poolp.org>
* Copyright (C) 2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
#include <fcntl.h>
#include <unistd.h>
int
pipe2(int pipefd[2], int flags)
{
if (pipe(pipefd) == -1)
return -1;
if ((flags & O_NONBLOCK) &&
(fcntl(pipefd[0], F_SETFL, O_NONBLOCK) == -1 ||
fcntl(pipefd[1], F_SETFL, O_NONBLOCK) == -1)) {
close(pipefd[0]);
close(pipefd[1]);
return -1;
}
if ((flags & O_CLOEXEC) &&
(fcntl(pipefd[0], F_SETFD, FD_CLOEXEC) == -1 ||
fcntl(pipefd[1], F_SETFD, FD_CLOEXEC) == -1)) {
close(pipefd[0]);
close(pipefd[1]);
return -1;
}
return 0;
}
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