64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
// 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) 2012-2018 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*
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* wait401 - check that a call to wait4() correctly waits for a child
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* process to exit
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*/
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#include <stdlib.h>
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#include <errno.h>
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#define _USE_BSD
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#include <sys/types.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include "tst_test.h"
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static void run(void)
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{
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pid_t pid;
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int status = 1;
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struct rusage rusage;
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pid = SAFE_FORK();
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if (!pid) {
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TST_PROCESS_STATE_WAIT(getppid(), 'S');
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exit(0);
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}
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TEST(wait4(pid, &status, 0, &rusage));
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if (TST_RET == -1) {
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tst_res(TFAIL | TERRNO, "wait4() failed");
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return;
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}
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if (TST_RET != pid) {
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tst_res(TFAIL, "waitpid() returned wrong pid %li, expected %i",
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TST_RET, pid);
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} else {
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tst_res(TPASS, "waitpid() returned correct pid %i", pid);
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}
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if (!WIFEXITED(status)) {
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tst_res(TFAIL, "WIFEXITED() not set in status (%s)",
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tst_strstatus(status));
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return;
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}
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tst_res(TPASS, "WIFEXITED() is set in status");
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if (WEXITSTATUS(status))
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tst_res(TFAIL, "WEXITSTATUS() != 0 but %i", WEXITSTATUS(status));
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else
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tst_res(TPASS, "WEXITSTATUS() == 0");
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}
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static struct tst_test test = {
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.forks_child = 1,
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.test_all = run,
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};
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