58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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* Author: Richard Logan
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*
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* Test Description:
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* The process does a fork:
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* 1) By the value returned by child's alarm(0), check whether child
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* process cleared the previously specified alarm request or not.
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* 2) By the value returned by parent's alarm(0), check whether parent
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* process cleared the previously specified alarm request or not.
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*/
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#include <errno.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "tst_test.h"
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static void verify_alarm(void)
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{
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pid_t pid;
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TEST(alarm(100));
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pid = SAFE_FORK();
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if (pid == 0) {
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TEST(alarm(0));
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if (TST_RET != 0) {
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tst_res(TFAIL,
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"alarm(100), fork, alarm(0) child's "
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"alarm returned %ld", TST_RET);
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} else {
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tst_res(TPASS,
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"alarm(100), fork, alarm(0) child's "
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"alarm returned %ld", TST_RET);
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}
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exit(0);
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}
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TEST(alarm(0));
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if (TST_RET != 100) {
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tst_res(TFAIL,
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"alarm(100), fork, alarm(0) parent's "
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"alarm returned %ld", TST_RET);
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} else {
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tst_res(TPASS,
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"alarm(100), fork, alarm(0) parent's "
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"alarm returned %ld", TST_RET);
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}
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}
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static struct tst_test test = {
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.test_all = verify_alarm,
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.forks_child = 1,
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};
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