62 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.2 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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|  *    07/2001 John George
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|  * Copyright (c) 2018 Cyril Hrubis <chrubis@suse.cz>
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|  */
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| 
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| /*
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|  * Check that when a child kills itself by SIGALRM the waiting parent is
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|  * correctly notified.
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|  *
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|  * Fork a child that raises(SIGALRM), the parent checks that SIGALRM was
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|  * returned.
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|  */
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| #include <stdlib.h>
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| #include <sys/wait.h>
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| #include "tst_test.h"
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| 
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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;
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| 
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| 	pid = SAFE_FORK();
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| 	if (!pid) {
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| 		raise(SIGALRM);
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| 		exit(0);
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| 	}
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| 
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| 	TST_EXP_PID_SILENT(waitpid(pid, &status, 0));
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| 	if (!TST_PASS)
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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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| 
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| 	if (!WIFSIGNALED(status)) {
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| 		tst_res(TFAIL, "WIFSIGNALED() 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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| 
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| 	tst_res(TPASS, "WIFSIGNALED() set in status");
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| 
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| 	if (WTERMSIG(status) != SIGALRM) {
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| 		tst_res(TFAIL, "WTERMSIG() != SIGALRM but %s",
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| 		        tst_strsig(WTERMSIG(status)));
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| 		return;
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| 	}
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| 
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| 	tst_res(TPASS, "WTERMSIG() == SIGALRM");
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| }
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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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