57 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /* Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
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|  * Author: Vatsal Avasthi
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|  *
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|  * Test Description:
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|  *  This test verifies that flock() succeeds with all kind of locks.
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|  */
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| 
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| #include <errno.h>
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| #include <sys/file.h>
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| 
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| #include "tst_test.h"
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| 
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| static int fd = -1;
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| 
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| static struct tcase {
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| 	int operation;
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| 	char *opt;
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| } tcases[] = {
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| 	{LOCK_SH, "Shared Lock" },
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| 	{LOCK_UN, "Unlock"},
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| 	{LOCK_EX, "Exclusive Lock"},
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| };
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| 
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| static void verify_flock(unsigned n)
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| {
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| 	struct tcase *tc = &tcases[n];
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| 
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| 	TEST(flock(fd, tc->operation));
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| 	if (TST_RET == -1) {
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| 		tst_res(TFAIL | TTERRNO,
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| 			"flock() failed to get %s", tc->opt);
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| 	} else {
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| 		tst_res(TPASS,
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| 			"flock() succeeded with %s", tc->opt);
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| 	}
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| }
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| 
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| static void setup(void)
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| {
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| 	fd = SAFE_OPEN("testfile", O_CREAT | O_TRUNC | O_RDWR, 0644);
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| }
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| 
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| static void cleanup(void)
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| {
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| 	if (fd >= 0)
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| 		SAFE_CLOSE(fd);
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| }
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| 
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| static struct tst_test test = {
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| 	.tcnt = ARRAY_SIZE(tcases),
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| 	.test = verify_flock,
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| 	.needs_tmpdir = 1,
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| 	.setup = setup,
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| 	.cleanup = cleanup,
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| };
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