98 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  *   Copyright (c) International Business Machines  Corp., 2001
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|  *
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|  *   This program is free software;  you can redistribute it and/or modify
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|  *   it under the terms of the GNU General Public License as published by
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|  *   the Free Software Foundation; either version 2 of the License, or
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|  *   (at your option) any later version.
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|  *
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|  *   This program is distributed in the hope that it will be useful,
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|  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
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|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
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|  *   the GNU General Public License for more details.
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|  *
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|  *   You should have received a copy of the GNU General Public License
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|  *   along with this program;  if not, write to the Free Software
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|  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  *
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|  *
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|  * NAME
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|  *	fork11.c
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|  *
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|  * DESCRIPTION
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|  *	Test that parent gets a pid from each child when doing wait
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|  *
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|  * ALGORITHM
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|  *	Fork NUMFORKS children that do nothing.
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|  *
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|  * USAGE
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|  *	fork11
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|  *
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|  * HISTORY
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|  *	07/2001 Ported by Wayne Boyer
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|  *
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|  * RESTRICTIONS
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|  *	None
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|  */
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| 
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| #include <sys/types.h>
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| #include <sys/wait.h>
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| #include <stdio.h>
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| #include <errno.h>
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| #include "test.h"
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| 
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| char *TCID = "fork11";
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| int TST_TOTAL = 1;
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| 
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| static void setup(void);
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| static void cleanup(void);
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| 
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| #define NUMFORKS 100
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| 
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| int main(int ac, char **av)
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| {
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| 	int i, pid, cpid, status;
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| 	int fail = 0;
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| 	int lc;
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| 
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| 	tst_parse_opts(ac, av, NULL, NULL);
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| 
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| 	setup();
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| 
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| 	for (lc = 0; TEST_LOOPING(lc); lc++) {
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| 		tst_count = 0;
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| 
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| 		for (i = 0; i < NUMFORKS; i++) {
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| 			pid = fork();
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| 			if (pid == 0)
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| 				exit(0);
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| 
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| 			if (pid > 0) {	/* parent */
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| 				cpid = wait(&status);
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| 				if (cpid != pid)
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| 					fail++;
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| 			} else {
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| 				fail++;
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| 				break;
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| 			}
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| 		}
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| 		if (fail)
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| 			tst_resm(TFAIL, "fork failed %d times", fail);
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| 		else
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| 			tst_resm(TPASS, "fork test passed, %d processes", i);
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| 	}
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| 
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| 	cleanup();
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| 	tst_exit();
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| }
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| 
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| static void setup(void)
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| {
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| 	tst_sig(FORK, DEF_HANDLER, cleanup);
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| 	TEST_PAUSE;
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| }
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| 
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| static void cleanup(void)
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| {
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| }
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