50 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			50 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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|  * Ported to LTP 07/2001 John George
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|  * Testcase to check that settimeofday() sets errnos correctly.
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|  */
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| 
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| #include <stdio.h>
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| #include <sys/time.h>
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| #include <errno.h>
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| #include "tst_capability.h"
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| #include "tst_test.h"
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| #include "lapi/syscalls.h"
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| 
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| static struct tcase {
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| 	struct timeval tv;
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| 	int exp_errno;
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| 	char *message;
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| } tcases[] = {
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| 	{{-1, 0}, EINVAL, "tv.tv_sec is negative"},
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| 	{{0, -1}, EINVAL, "tv.tv_usec is outside the range [0..999,999]"},
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| 	{{100, 100}, EPERM, "calling process without CAP_SYS_TIME capability"},
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| };
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| 
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| static void verify_settimeofday(unsigned int n)
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| {
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| 	struct tcase *tc = &tcases[n];
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| 
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| 	tst_res(TINFO, "%s", tc->message);
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| 	TEST(settimeofday(&tc->tv, NULL));
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| 	if (TST_RET != -1) {
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| 		tst_res(TFAIL, "settimeofday() succeeded unexpectedly");
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| 		return;
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| 	}
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| 
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| 	if (TST_ERR != tc->exp_errno)
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| 		tst_res(TFAIL | TTERRNO, "Expected %s got ", tst_strerrno(tc->exp_errno));
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| 	else
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| 		tst_res(TPASS | TTERRNO, "Received expected errno");
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| }
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| 
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| static struct tst_test test = {
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| 	.test = verify_settimeofday,
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| 	.tcnt = ARRAY_SIZE(tcases),
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| 	.caps = (struct tst_cap []) {
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| 		TST_CAP(TST_CAP_DROP, CAP_SYS_TIME),
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| 		{}
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| 	},
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| };
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