63 lines
997 B
C
63 lines
997 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* 06/1994 AUTHOR: Richard Logan CO-PILOT: William Roske
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*/
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/*\
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* [DESCRIPTION]
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*
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* Basic test for dup(2) of a system pipe descriptor.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include "tst_test.h"
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int fd[2];
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static void run(void)
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{
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TEST(dup(fd[0]));
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if (TST_RET == -1)
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tst_res(TFAIL | TTERRNO,
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"dup of read side of pipe failed");
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else {
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tst_res(TPASS,
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"dup(%d) read side of syspipe returned %ld",
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fd[0], TST_RET);
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SAFE_CLOSE(TST_RET);
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}
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TEST(dup(fd[1]));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO,
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"dup of write side of pipe failed");
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} else {
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tst_res(TPASS,
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"dup(%d) write side of syspipe returned %ld",
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fd[1], TST_RET);
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SAFE_CLOSE(TST_RET);
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}
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}
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void setup(void)
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{
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fd[0] = -1;
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SAFE_PIPE(fd);
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}
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static struct tst_test test = {
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.test_all = run,
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.setup = setup,
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.needs_tmpdir = 1,
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};
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