60 lines
2 KiB
C
60 lines
2 KiB
C
/*
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* Copyright (C) 2008 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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#pragma once
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/**
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* @file errno.h
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* @brief Standard C error handling.
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*/
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#include <sys/cdefs.h>
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#include <linux/errno.h>
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__BEGIN_DECLS
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#ifndef ENOTSUP
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/** On Linux, ENOTSUP and EOPNOTSUPP are the same despite POSIX saying they should be distinct. */
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#define ENOTSUP EOPNOTSUPP
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#endif
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/**
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* Returns the address of the calling thread's `errno` storage.
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* Non-portable and should not be used directly. Use `errno` instead.
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*
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* @private
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*/
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int* _Nonnull __errno(void) __attribute_const__;
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/**
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* [errno(3)](http://man7.org/linux/man-pages/man3/errno.3.html) is the last error on the calling
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* thread.
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*/
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#define errno (*__errno())
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__END_DECLS
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