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.
35 lines
607 B
C
35 lines
607 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 <asm/unistd.h>
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#ifdef __NR_dup2
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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_dup2, fd_old, fd_new);
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printf("dup2(%d, %d) = %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_dup2")
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#endif
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