77 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Check decoding of fadvise64 syscall.
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 *
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 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_fadvise64
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# include "fadvise.h"
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static void
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do_fadvise(long fd, long long offset, long long llen, long advice)
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{
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	long ret;
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	const char *errstr;
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# if (LONG_MAX > INT_MAX) \
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  || (defined __x86_64__ && defined __ILP32__) \
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  || defined LINUX_MIPSN32
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	ret = syscall(__NR_fadvise64, fd, offset, llen, advice);
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	errstr = sprintrc(ret);
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	printf("fadvise64(%d, %lld, %llu, ", (int) fd, offset, llen);
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# elif defined LINUX_MIPSO32
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	ret = syscall(__NR_fadvise64, fd, 0,
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		      LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
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	errstr = sprintrc(ret);
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	printf("fadvise64(%d, %lld, %lld, ", (int) fd, offset, llen);
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# else /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
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	long len = (long) llen;
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#  if defined POWERPC
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	ret = syscall(__NR_fadvise64, fd, 0,
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		      LL_VAL_TO_PAIR(offset), len, advice);
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#  else
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	ret = syscall(__NR_fadvise64, fd,
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		      LL_VAL_TO_PAIR(offset), len, advice);
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#  endif
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	errstr = sprintrc(ret);
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	printf("fadvise64(%d, %lld, %lu, ", (int) fd, offset, len);
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# endif /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
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	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
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	printf(") = %s\n", errstr);
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_fadvise64");
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#endif
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