42 lines
		
	
	
		
			911 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			911 B
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
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|  *
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|  * Description:
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|  * Basic pidfd_open() test:
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|  * 1) Fetch the PID of the current process and try to get its file descriptor.
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|  * 2) Check that the close-on-exec flag is set on the file descriptor.
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|  */
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| 
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| #include <unistd.h>
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| #include <fcntl.h>
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| #include "tst_test.h"
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| #include "lapi/pidfd_open.h"
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| 
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| static void run(void)
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| {
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| 	int flag;
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| 
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| 	TEST(pidfd_open(getpid(), 0));
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| 
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| 	if (TST_RET == -1)
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| 		tst_brk(TFAIL | TTERRNO, "pidfd_open(getpid(), 0) failed");
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| 
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| 	flag = fcntl(TST_RET, F_GETFD);
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| 
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| 	SAFE_CLOSE(TST_RET);
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| 
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| 	if (flag == -1)
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| 		tst_brk(TFAIL | TERRNO, "fcntl(F_GETFD) failed");
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| 
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| 	if (!(flag & FD_CLOEXEC))
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| 		tst_brk(TFAIL, "pidfd_open(getpid(), 0) didn't set close-on-exec flag");
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| 
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| 	tst_res(TPASS, "pidfd_open(getpid(), 0) passed");
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| }
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| 
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| static struct tst_test test = {
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| 	.min_kver = "5.3",
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| 	.test_all = run,
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| };
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