69 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
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|  * Author: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
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|  *
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|  * This case is designed to test the basic functionality about the
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|  * O_CLOEXEC flag of pipe2.
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|  */
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| 
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| #define _GNU_SOURCE
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| #include <stdio.h>
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| #include <unistd.h>
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| #include <stdlib.h>
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| #include "lapi/fcntl.h"
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| #include "tst_test.h"
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| 
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| #define TESTBIN "pipe2_02_child"
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| static int fds[2];
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| 
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| static void cleanup(void)
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| {
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| 	if (fds[0] > 0)
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| 		SAFE_CLOSE(fds[0]);
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| 	if (fds[1] > 0)
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| 		SAFE_CLOSE(fds[1]);
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| }
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| 
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| static void verify_pipe2(void)
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| {
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| 	int pid, status;
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| 	char buf[20];
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| 
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| 	SAFE_PIPE2(fds, O_CLOEXEC);
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| 	sprintf(buf, "%d", fds[1]);
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| 	pid = SAFE_FORK();
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| 	if (pid == 0)
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| 		SAFE_EXECLP(TESTBIN, TESTBIN, buf, NULL);
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| 
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| 	SAFE_WAIT(&status);
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| 	if (WIFEXITED(status)) {
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| 		switch (WEXITSTATUS(status)) {
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| 		case 0:
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| 			tst_res(TPASS, "test O_CLOEXEC for pipe2 success");
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| 		break;
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| 		case 1:
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| 			tst_res(TFAIL, "test O_CLOEXEC for pipe2 failed");
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| 		break;
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| 		default:
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| 			tst_brk(TBROK, "execlp() failed");
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| 		}
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| 	} else {
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| 		tst_brk(TBROK, "%s exits with unexpected error", TESTBIN);
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| 	}
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| 	cleanup();
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| }
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| 
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| static const char *const resfile[] = {
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| 	TESTBIN,
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| 	NULL,
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| };
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| 
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| static struct tst_test test = {
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| 	.resource_files = resfile,
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| 	.cleanup = cleanup,
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| 	.forks_child = 1,
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| 	.needs_root = 1,
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| 	.test_all = verify_pipe2,
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| };
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