52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
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/*
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* Copyright (C) 2014 The Android Open Source Project
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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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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <fcntl.h>
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#include "private/ErrnoRestorer.h"
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extern "C" int __arm_fadvise64_64(int, int, off64_t, off64_t);
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extern "C" int __fadvise64(int, off64_t, off64_t, int);
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// No architecture actually has the 32-bit off_t system call.
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int posix_fadvise(int fd, off_t offset, off_t length, int advice) {
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return posix_fadvise64(fd, offset, length, advice);
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}
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#if defined(__arm__)
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int posix_fadvise64(int fd, off64_t offset, off64_t length, int advice) {
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ErrnoRestorer errno_restorer;
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return (__arm_fadvise64_64(fd, advice, offset, length) == 0) ? 0 : errno;
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}
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#else
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int posix_fadvise64(int fd, off64_t offset, off64_t length, int advice) {
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ErrnoRestorer errno_restorer;
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return (__fadvise64(fd, offset, length, advice) == 0) ? 0 : errno;
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}
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#endif
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