47 lines
806 B
C
47 lines
806 B
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* Copyright (C) 2017 Cyril Hrubis <chrubis@suse.cz>
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* Copyright (c) Linux Test Project, 2002-2022
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* Ported to LTP: Wayne Boyer
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*/
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/*\
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* [Description]
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*
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* Verify that any pending alarm() is canceled when seconds is zero.
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*/
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#include "tst_test.h"
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static volatile int alarms_received;
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static void sigproc(int sig)
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{
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if (sig == SIGALRM)
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alarms_received++;
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}
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static void setup(void)
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{
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SAFE_SIGNAL(SIGALRM, sigproc);
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}
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static void verify_alarm(void)
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{
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TST_EXP_PASS_SILENT(alarm(2));
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sleep(1);
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TST_EXP_VAL(alarm(0), 1);
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/* Wait for signal SIGALRM */
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sleep(2);
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TST_EXP_EQ_LU(alarms_received, 0);
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}
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static struct tst_test test = {
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.setup = setup,
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.test_all = verify_alarm,
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};
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