// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. * Author: Richard Logan * Copyright (c) Linux Test Project, 2001-2022 */ /*\ * [Description] * * Verify that alarms created by alarm() are not inherited by children * created via fork. */ #include #include "tst_test.h" static void verify_alarm(void) { pid_t pid; TST_EXP_PASS_SILENT(alarm(100)); pid = SAFE_FORK(); if (pid == 0) { TST_EXP_PASS(alarm(0), "alarm(0) in child process"); exit(0); } TST_EXP_VAL(alarm(0), 100, "alarm(0) in parent process"); } static struct tst_test test = { .test_all = verify_alarm, .forks_child = 1, };