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 */ 56