56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
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* Check decoding of fadvise64_64 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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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __arm__
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# ifdef __NR_arm_fadvise64_64
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# undef __NR_fadvise64_64
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# define __NR_fadvise64_64 __NR_arm_fadvise64_64
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# endif /* __NR_arm_fadvise64_64 */
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#endif /* __arm__ */
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#ifdef __NR_fadvise64_64
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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_64, fd, offset, llen, advice);
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# elif defined __ARM_EABI__ || defined POWERPC || defined XTENSA
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ret = syscall(__NR_fadvise64_64, fd, advice,
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LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen));
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# else
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ret = syscall(__NR_fadvise64_64, fd,
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LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
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# endif
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errstr = sprintrc(ret);
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printf("fadvise64_64(%d, %lld, %lld, ", (int) fd, offset, llen);
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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_64");
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#endif
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