android13/external/ltp/testcases/kernel/syscalls/wait/wait02.c

52 lines
977 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
* AUTHOR : William Roske
* CO-PILOT : Dave Fenner
*/
/*\
* [Description]
*
* For a terminated child, test whether wait(2) can get its pid
* and exit status correctly.
*/
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include "tst_test.h"
static void verify_wait(void)
{
int status, exit_child = 1;
pid_t fpid;
fpid = SAFE_FORK();
if (fpid == 0)
exit(exit_child);
TST_EXP_PID_SILENT(wait(&status));
if (!TST_PASS)
return;
if (fpid != TST_RET) {
tst_res(TFAIL, "wait() returned pid %ld, expected %d",
TST_RET, fpid);
return;
}
if (WIFEXITED(status) && WEXITSTATUS(status) == exit_child) {
tst_res(TPASS, "wait() succeeded");
return;
}
tst_res(TFAIL, "wait() reported child %s", tst_strstatus(status));
}
static struct tst_test test = {
.test_all = verify_wait,
.forks_child = 1,
};