1951a39d68df598db08dfced8b4707755864a0492Ying Wang/*
2951a39d68df598db08dfced8b4707755864a0492Ying Wang * Copyright (C) 2008 The Android Open Source Project
3951a39d68df598db08dfced8b4707755864a0492Ying Wang * All rights reserved.
4951a39d68df598db08dfced8b4707755864a0492Ying Wang *
5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without
6951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions
7951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met:
8951a39d68df598db08dfced8b4707755864a0492Ying Wang *  * Redistributions of source code must retain the above copyright
9951a39d68df598db08dfced8b4707755864a0492Ying Wang *    notice, this list of conditions and the following disclaimer.
10951a39d68df598db08dfced8b4707755864a0492Ying Wang *  * Redistributions in binary form must reproduce the above copyright
11951a39d68df598db08dfced8b4707755864a0492Ying Wang *    notice, this list of conditions and the following disclaimer in
12951a39d68df598db08dfced8b4707755864a0492Ying Wang *    the documentation and/or other materials provided with the
13951a39d68df598db08dfced8b4707755864a0492Ying Wang *    distribution.
14951a39d68df598db08dfced8b4707755864a0492Ying Wang *
15951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16951a39d68df598db08dfced8b4707755864a0492Ying Wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18951a39d68df598db08dfced8b4707755864a0492Ying Wang * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19951a39d68df598db08dfced8b4707755864a0492Ying Wang * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20951a39d68df598db08dfced8b4707755864a0492Ying Wang * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21951a39d68df598db08dfced8b4707755864a0492Ying Wang * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23951a39d68df598db08dfced8b4707755864a0492Ying Wang * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24951a39d68df598db08dfced8b4707755864a0492Ying Wang * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26951a39d68df598db08dfced8b4707755864a0492Ying Wang * SUCH DAMAGE.
27951a39d68df598db08dfced8b4707755864a0492Ying Wang */
28951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _ERRNO_H
29951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _ERRNO_H
30951a39d68df598db08dfced8b4707755864a0492Ying Wang
31951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/cdefs.h>
32951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/errno.h>
33951a39d68df598db08dfced8b4707755864a0492Ying Wang
34951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS
35951a39d68df598db08dfced8b4707755864a0492Ying Wang
36951a39d68df598db08dfced8b4707755864a0492Ying Wang/* on Linux, ENOTSUP and EOPNOTSUPP are defined as the same error code
37951a39d68df598db08dfced8b4707755864a0492Ying Wang * even if 1000.3 states that they should be different
38951a39d68df598db08dfced8b4707755864a0492Ying Wang */
39951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef  ENOTUP
40951a39d68df598db08dfced8b4707755864a0492Ying Wang#define  ENOTSUP  EOPNOTSUPP
41951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif
42951a39d68df598db08dfced8b4707755864a0492Ying Wang
43951a39d68df598db08dfced8b4707755864a0492Ying Wang/* internal function that should *only* be called from system calls */
44951a39d68df598db08dfced8b4707755864a0492Ying Wang/* use errno = xxxx instead in C code                               */
45951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int    __set_errno(int  error);
46951a39d68df598db08dfced8b4707755864a0492Ying Wang
47951a39d68df598db08dfced8b4707755864a0492Ying Wang/* internal function returning the address of the thread-specific errno */
48951a39d68df598db08dfced8b4707755864a0492Ying Wangextern volatile int*   __errno(void);
49951a39d68df598db08dfced8b4707755864a0492Ying Wang
50951a39d68df598db08dfced8b4707755864a0492Ying Wang/* a macro expanding to the errno l-value */
51951a39d68df598db08dfced8b4707755864a0492Ying Wang#define  errno   (*__errno())
52951a39d68df598db08dfced8b4707755864a0492Ying Wang
53951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS
54951a39d68df598db08dfced8b4707755864a0492Ying Wang
55951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _ERRNO_H */
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