Dmitry V. Levin
92e347b556
We do our best to keep copyright headers up to date, yet git history provides better information on this subject and is more accurate than copyright headers.
36 lines
687 B
C
36 lines
687 B
C
/*
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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <fcntl.h>
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#include <asm/unistd.h>
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#if defined __NR_dup3 && defined O_CLOEXEC
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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const long int fd_old = (long int) 0xdeadbeefffffffffULL;
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const long int fd_new = (long int) 0xdeadbeeffffffffeULL;
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long rc = syscall(__NR_dup3, fd_old, fd_new, O_CLOEXEC);
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printf("dup3(%d, %d, O_CLOEXEC) = %ld %s (%m)\n",
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(int) fd_old, (int) fd_new, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_dup3 && O_CLOEXEC")
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#endif
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