88 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
 | |
| /*
 | |
|  * Copyright (c) Red Hat Inc., 2007
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * NAME
 | |
|  *	posix_fadvise04.c
 | |
|  *
 | |
|  * DESCRIPTION
 | |
|  *	Check the value that posix_fadvise returns for pipe descriptor.
 | |
|  *
 | |
|  * USAGE
 | |
|  *	posix_fadvise04
 | |
|  *
 | |
|  * HISTORY
 | |
|  *	11/2007 Initial version by Masatake YAMATO <yamato@redhat.com>
 | |
|  *
 | |
|  * RESTRICTIONS
 | |
|  *	None
 | |
|  */
 | |
| 
 | |
| #include <fcntl.h>
 | |
| #include <unistd.h>
 | |
| #include <signal.h>
 | |
| #include <errno.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #include "tst_test.h"
 | |
| 
 | |
| #include "lapi/syscalls.h"
 | |
| 
 | |
| static int pipedes[2];
 | |
| 
 | |
| static int defined_advise[] = {
 | |
| 	POSIX_FADV_NORMAL,
 | |
| 	POSIX_FADV_SEQUENTIAL,
 | |
| 	POSIX_FADV_RANDOM,
 | |
| 	POSIX_FADV_NOREUSE,
 | |
| 	POSIX_FADV_WILLNEED,
 | |
| 	POSIX_FADV_DONTNEED,
 | |
| };
 | |
| 
 | |
| static void verify_fadvise(unsigned int n)
 | |
| {
 | |
| 	TEST(posix_fadvise
 | |
| 	     (pipedes[0], 0, 0, defined_advise[n]));
 | |
| 
 | |
| 	if (TST_RET == 0) {
 | |
| 		tst_res(TFAIL, "call succeeded unexpectedly");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* Man page says:
 | |
| 	   "On error, an error number is returned." */
 | |
| 	if (TST_RET == ESPIPE) {
 | |
| 		tst_res(TPASS, "expected failure - "
 | |
| 			"returned value = %ld : %s",
 | |
| 			TST_RET, tst_strerrno(TST_RET));
 | |
| 	} else {
 | |
| 		tst_res(TFAIL,
 | |
| 			"unexpected return value - %ld : %s - "
 | |
| 			"expected %d", TST_RET,
 | |
| 			tst_strerrno(TST_RET), ESPIPE);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void setup(void)
 | |
| {
 | |
| 	SAFE_PIPE(pipedes);
 | |
| 
 | |
| 	SAFE_CLOSE(pipedes[1]);
 | |
| }
 | |
| 
 | |
| void cleanup(void)
 | |
| {
 | |
| 	if (pipedes[0] > 0)
 | |
| 		SAFE_CLOSE(pipedes[0]);
 | |
| }
 | |
| 
 | |
| static struct tst_test test = {
 | |
| 	.setup = setup,
 | |
| 	.cleanup = cleanup,
 | |
| 	.test = verify_fadvise,
 | |
| 	.tcnt = ARRAY_SIZE(defined_advise),
 | |
| 	.min_kver = "2.6.16",
 | |
| };
 |