65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) International Business Machines Corp., 2009
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* Created - Jan 13 2009 - Ulrich Drepper <drepper@redhat.com>
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* Ported to LTP - Jan 13 2009 - Subrata <subrata@linux.vnet.ibm.com>
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*/
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/*\
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* [Description]
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*
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* Testcase to check whether dup3() supports O_CLOEXEC flag.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include "tst_test.h"
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#include "tst_safe_macros.h"
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static int fd = -1;
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static struct tcase {
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int coe_flag;
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char *desc;
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} tcases[] = {
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{0, "dup3(1, 4, 0)"},
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{O_CLOEXEC, "dup3(1, 4, O_CLOEXEC)"},
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};
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static void cleanup(void)
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{
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if (fd > -1)
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close(fd);
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}
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static void run(unsigned int i)
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{
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int ret;
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struct tcase *tc = tcases + i;
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TST_EXP_FD_SILENT(dup3(1, 4, tc->coe_flag), "dup3(1, 4, %d)", tc->coe_flag);
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fd = TST_RET;
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ret = SAFE_FCNTL(fd, F_GETFD);
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if (tc->coe_flag) {
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if (ret & FD_CLOEXEC)
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tst_res(TPASS, "%s set close-on-exec flag", tc->desc);
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else
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tst_res(TFAIL, "%s set close-on-exec flag", tc->desc);
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} else {
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if (ret & FD_CLOEXEC)
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tst_res(TFAIL, "%s set close-on-exec flag", tc->desc);
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else
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tst_res(TPASS, "%s set close-on-exec flag", tc->desc);
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}
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};
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.test = run,
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.cleanup = cleanup,
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};
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