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      1 /*
      2  * Copyright (c) International Business Machines  Corp., 2001
      3  *
      4  * This program is free software;  you can redistribute it and/or modify
      5  * it under the terms of the GNU General Public License as published by
      6  * the Free Software Foundation; either version 2 of the License, or
      7  * (at your option) any later version.
      8  *
      9  * This program is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY;  without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     12  * the GNU General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU General Public License
     15  * along with this program.
     16  *
     17  * History
     18  *	07/2001 John George
     19  *		-Ported
     20  *      04/2002 wjhuie sigset cleanups
     21  */
     22 
     23 /*
     24  * DESCRIPTION
     25  *	Tests to see if pids returned from fork and waitpid are same.
     26  *
     27  * ALGORITHM
     28  *	Check proper functioning of waitpid with pid = -1 and arg = 0
     29  */
     30 
     31 #include "waitpid_common.h"
     32 
     33 static void do_child_1(void)
     34 {
     35 	pid_t pid;
     36 	int i;
     37 
     38 	for (i = 0; i < MAXKIDS; i++) {
     39 		if (i == (MAXKIDS / 2))
     40 			SAFE_SETPGID(0, 0);
     41 
     42 		pid = SAFE_FORK();
     43 		if (pid == 0)
     44 			do_exit(0);
     45 
     46 		fork_kid_pid[i] = pid;
     47 	}
     48 
     49 	TST_CHECKPOINT_WAKE2(0, MAXKIDS);
     50 
     51 	if (TST_TRACE(reap_children(-1, 0, fork_kid_pid, MAXKIDS)))
     52 		return;
     53 
     54 	tst_res(TPASS, "Test PASSED");
     55 }
     56 
     57 static struct tst_test test = {
     58 	.forks_child = 1,
     59 	.needs_checkpoints = 1,
     60 	.setup = waitpid_setup,
     61 	.cleanup = waitpid_cleanup,
     62 	.test_all = waitpid_test,
     63 };
     64