138 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2015 Fujitsu Ltd.
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|  * Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms of version 2 of the GNU General Public License as
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|  * published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it would be useful, but
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|  * WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * alone with this program.
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|  */
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| 
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| /*
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|  * DESCRIPTION
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|  *  Basic test for fcntl(2) using F_SETLEASE & F_WRLCK argument.
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|  *  "A write lease may be placed on a file only if there are
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|  *  no other open file descriptors for the file."
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|  */
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| 
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| #include <errno.h>
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| 
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| #include "test.h"
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| #include "safe_macros.h"
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| 
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| static void setup(void);
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| static void verify_fcntl(int);
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| static void cleanup(void);
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| 
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| #define FILE_MODE	(S_IRWXU | S_IRWXG | S_IRWXO | S_ISUID | S_ISGID)
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| 
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| static int fd1;
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| static int fd2;
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| static long type;
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| 
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| static struct test_case_t {
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| 	int fd1_flag;
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| 	int fd2_flag;
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| } test_cases[] = {
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| 	{O_RDONLY, O_RDONLY},
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| 	{O_RDONLY, O_WRONLY},
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| 	{O_RDONLY, O_RDWR},
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| 	{O_WRONLY, O_RDONLY},
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| 	{O_WRONLY, O_WRONLY},
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| 	{O_WRONLY, O_RDWR},
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| 	{O_RDWR, O_RDONLY},
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| 	{O_RDWR, O_WRONLY},
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| 	{O_RDWR, O_RDWR},
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| };
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| 
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| char *TCID = "fcntl32";
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| int TST_TOTAL = ARRAY_SIZE(test_cases);
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| 
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| int main(int ac, char **av)
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| {
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| 	int lc;
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| 	int tc;
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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 (tc = 0; tc < TST_TOTAL; tc++)
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| 			verify_fcntl(tc);
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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(NOFORK, DEF_HANDLER, cleanup);
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| 	TEST_PAUSE;
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| 
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| 	tst_tmpdir();
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| 
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| 	switch ((type = tst_fs_type(cleanup, "."))) {
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| 	case TST_NFS_MAGIC:
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| 	case TST_RAMFS_MAGIC:
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| 	case TST_TMPFS_MAGIC:
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| 		tst_brkm(TCONF, cleanup,
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| 			 "Cannot do fcntl(F_SETLEASE, F_WRLCK) "
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| 			 "on %s filesystem",
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| 			 tst_fs_type_name(type));
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| 	default:
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| 		break;
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| 	}
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| 
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| 	SAFE_TOUCH(cleanup, "file", FILE_MODE, NULL);
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| }
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| 
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| static void verify_fcntl(int i)
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| {
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| 	fd1 = SAFE_OPEN(cleanup, "file", test_cases[i].fd1_flag);
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| 	fd2 = SAFE_OPEN(cleanup, "file", test_cases[i].fd2_flag);
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| 
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| 	TEST(fcntl(fd1, F_SETLEASE, F_WRLCK));
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| 
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| 	if (TEST_RETURN == 0) {
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| 		tst_resm(TFAIL, "fcntl(F_SETLEASE, F_WRLCK) "
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| 			 "succeeded unexpectedly");
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| 	} else {
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| 		if (TEST_ERRNO == EBUSY || TEST_ERRNO == EAGAIN) {
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| 			tst_resm(TPASS | TTERRNO,
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| 				 "fcntl(F_SETLEASE, F_WRLCK) "
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| 				 "failed as expected");
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| 		} else {
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| 			tst_resm(TFAIL | TTERRNO,
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| 				 "fcntl(F_SETLEASE, F_WRLCK) "
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| 				 "failed unexpectedly, "
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| 				 "expected errno is EBUSY or EAGAIN");
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| 		}
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| 	}
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| 
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| 	SAFE_CLOSE(cleanup, fd1);
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| 	fd1 = 0;
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| 	SAFE_CLOSE(cleanup, fd2);
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| 	fd2 = 0;
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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 (fd1 > 0 && close(fd1))
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| 		tst_resm(TWARN | TERRNO, "Failed to close file");
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| 
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| 	if (fd2 > 0 && close(fd2))
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| 		tst_resm(TWARN | TERRNO, "Failed to close file");
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| 
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| 	tst_rmdir();
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| }
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