1c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* $NetBSD: cdefs.h,v 1.58 2004/12/11 05:59:00 christos Exp $ */ 2c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 3c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 4c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Copyright (c) 1991, 1993 5c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * The Regents of the University of California. All rights reserved. 6c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 7c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * This code is derived from software contributed to Berkeley by 8c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Berkeley Software Design, Inc. 9c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 10c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Redistribution and use in source and binary forms, with or without 11c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * modification, are permitted provided that the following conditions 12c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * are met: 13c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 1. Redistributions of source code must retain the above copyright 14c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * notice, this list of conditions and the following disclaimer. 15c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 2. Redistributions in binary form must reproduce the above copyright 16c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * notice, this list of conditions and the following disclaimer in the 17c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * documentation and/or other materials provided with the distribution. 18c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 3. Neither the name of the University nor the names of its contributors 19c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * may be used to endorse or promote products derived from this software 20c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * without specific prior written permission. 21c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 22c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * SUCH DAMAGE. 33c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 34c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 35c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 36c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 37c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifndef _SYS_CDEFS_H_ 38c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define _SYS_CDEFS_H_ 39c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 40c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 41c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* our implementation of wchar_t is only 8-bit - die die non-portable code */ 42c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#undef __WCHAR_TYPE__ 43c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __WCHAR_TYPE__ unsigned char 44c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 45c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 46c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 47c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Macro to test if we're using a GNU C compiler of a specific vintage 48c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * or later, for e.g. features that appeared in a particular version 49c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * of GNU C. Usage: 50c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 51c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * #if __GNUC_PREREQ__(major, minor) 52c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * ...cool feature... 53c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * #else 54c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * ...delete feature... 55c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * #endif 56c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 57c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifdef __GNUC__ 58c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __GNUC_PREREQ__(x, y) \ 59c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 60c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner (__GNUC__ > (x))) 61c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 62c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __GNUC_PREREQ__(x, y) 0 63c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 64c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 65c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#include <sys/cdefs_elf.h> 66c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 67c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if defined(__cplusplus) 68c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __BEGIN_DECLS extern "C" { 69c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __END_DECLS } 70c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __static_cast(x,y) static_cast<x>(y) 71c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 72c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __BEGIN_DECLS 73c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __END_DECLS 74c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __static_cast(x,y) (x)y 75c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 76c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 77c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 78c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 79c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 80c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 81c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * in between its arguments. __CONCAT can also concatenate double-quoted 82c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * strings produced by the __STRING macro, but this only works with ANSI C. 83c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 84c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 85c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define ___STRING(x) __STRING(x) 86c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define ___CONCAT(x,y) __CONCAT(x,y) 87c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 88bea05255de4372e7c2d41489b637338f59df9361David 'Digit' Turner#if defined(__STDC__) || defined(__cplusplus) 89c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __P(protos) protos /* full-blown ANSI C */ 90c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __CONCAT(x,y) x ## y 91c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __STRING(x) #x 92c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 93c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __const const /* define reserved names to standard */ 94c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __signed signed 95c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __volatile volatile 96c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if defined(__cplusplus) 97c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __inline inline /* convert to C++ keyword */ 98c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 99c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !defined(__GNUC__) && !defined(__lint__) 100c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __inline /* delete GCC keyword */ 101c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !__GNUC__ && !__lint__ */ 102c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !__cplusplus */ 103c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 104c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else /* !(__STDC__ || __cplusplus) */ 105c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __P(protos) () /* traditional C preprocessor */ 106c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __CONCAT(x,y) x/**/y 107c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __STRING(x) "x" 108c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 109c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifndef __GNUC__ 110c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __const /* delete pseudo-ANSI C keywords */ 111c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __inline 112c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __signed 113c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __volatile 114c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !__GNUC__ */ 115c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 116c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 117c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * In non-ANSI C environments, new programs will want ANSI-only C keywords 118c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * deleted from the program and old programs will want them left alone. 119c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Programs using the ANSI C keywords const, inline etc. as normal 120c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * identifiers should define -DNO_ANSI_KEYWORDS. 121c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 122c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifndef NO_ANSI_KEYWORDS 123c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define const __const /* convert ANSI C keywords */ 124c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define inline __inline 125c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define signed __signed 126c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define volatile __volatile 127c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !NO_ANSI_KEYWORDS */ 128c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !(__STDC__ || __cplusplus) */ 129c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 130c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 131c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Used for internal auditing of the NetBSD source tree. 132c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 133c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifdef __AUDIT__ 134c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __aconst __const 135c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 136c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __aconst 137c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 138c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 139c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 140c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * The following macro is used to remove const cast-away warnings 141c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * from gcc -Wcast-qual; it should be used with caution because it 142c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * can hide valid errors; in particular most valid uses are in 143c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * situations where the API requires it, not to cast away string 144c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * constants. We don't use *intptr_t on purpose here and we are 145c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * explicit about unsigned long so that we don't have additional 146c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * dependencies. 147c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 148c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a)) 149c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 150c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 151c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * GCC2 provides __extension__ to suppress warnings for various GNU C 152c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * language extensions under "-ansi -pedantic". 153c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 154c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !__GNUC_PREREQ__(2, 0) 155c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __extension__ /* delete __extension__ if non-gcc or gcc1 */ 156c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 157c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 158c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 159c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * GCC1 and some versions of GCC2 declare dead (non-returning) and 160c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * pure (no side effects) functions using "volatile" and "const"; 161c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * unfortunately, these then cause warnings under "-ansi -pedantic". 162c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 163c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * these work for GNU C++ (modulo a slight glitch in the C++ grammar 164c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * in the distribution version of 2.5.5). 165c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 166c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !__GNUC_PREREQ__(2, 5) 167c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 168c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if defined(__GNUC__) && !defined(__STRICT_ANSI__) 169c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __dead __volatile 170c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __pure __const 171c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 172c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 173c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 174c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* Delete pseudo-keywords wherever they are not available or needed. */ 175c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifndef __dead 176c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __dead 177c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __pure 178c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 179c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 180c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 7) 181c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __unused __attribute__((__unused__)) 182c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 183c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __unused /* delete */ 184c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 185c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 186c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(3, 1) 187c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __used __attribute__((__used__)) 188c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 189c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __used /* delete */ 190c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 191c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 192c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 7) 193c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __packed __attribute__((__packed__)) 194c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __aligned(x) __attribute__((__aligned__(x))) 195c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __section(x) __attribute__((__section__(x))) 196c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#elif defined(__lint__) 197c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __packed /* delete */ 198c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __aligned(x) /* delete */ 199c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __section(x) /* delete */ 200c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 201c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __packed error: no __packed for this compiler 202c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __aligned(x) error: no __aligned for this compiler 203c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __section(x) error: no __section for this compiler 204c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 205c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 206c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !__GNUC_PREREQ__(2, 8) 207c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __extension__ 208c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 209c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 210c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 8) 211c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __statement(x) __extension__(x) 212c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#elif defined(lint) 213c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __statement(x) (0) 214c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 215c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __statement(x) (x) 216c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 217c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 218c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 219c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * C99 defines the restrict type qualifier keyword, which was made available 220c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * in GCC 2.92. 221c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 222bea05255de4372e7c2d41489b637338f59df9361David 'Digit' Turner#if defined(__STDC__VERSION__) && __STDC_VERSION__ >= 199901L 223c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __restrict restrict 224c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 225c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !__GNUC_PREREQ__(2, 92) 226c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __restrict /* delete __restrict when not supported */ 227c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 228c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 229c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 230c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 231c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * C99 defines __func__ predefined identifier, which was made available 232c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * in GCC 2.95. 233c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 234bea05255de4372e7c2d41489b637338f59df9361David 'Digit' Turner#if !defined(__STDC_VERSION__) || !(__STDC_VERSION__ >= 199901L) 235c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 6) 236c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __func__ __PRETTY_FUNCTION__ 237c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#elif __GNUC_PREREQ__(2, 4) 238c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __func__ __FUNCTION__ 239c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 240c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __func__ "" 241c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 242c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !(__STDC_VERSION__ >= 199901L) */ 243c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 244c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if defined(_KERNEL) 245c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if defined(NO_KERNEL_RCSIDS) 246c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#undef __KERNEL_RCSID 247c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __KERNEL_RCSID(_n, _s) /* nothing */ 248c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* NO_KERNEL_RCSIDS */ 249c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* _KERNEL */ 250c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 251c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if !defined(_STANDALONE) && !defined(_KERNEL) 252c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifdef __GNUC__ 253c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __RENAME(x) ___RENAME(x) 254c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 255c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#ifdef __lint__ 256c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __RENAME(x) __symbolrename(x) 257c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 258c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#error "No function renaming possible" 259c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* __lint__ */ 260c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* __GNUC__ */ 261c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else /* _STANDALONE || _KERNEL */ 262c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __RENAME(x) no renaming in kernel or standalone environment 263c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 264c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 265c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 266c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * A barrier to stop the optimizer from moving code or assume live 267c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * register values. This is gcc specific, the version is more or less 268c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * arbitrary, might work with older compilers. 269c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 270c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 95) 271c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __insn_barrier() __asm __volatile("":::"memory") 272c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 273c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __insn_barrier() /* */ 274c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 275c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 276c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 277c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * GNU C version 2.96 adds explicit branch prediction so that 278c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * the CPU back-end can hint the processor and also so that 279c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * code blocks can be reordered such that the predicted path 280c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * sees a more linear flow, thus improving cache behavior, etc. 281c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 282c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * The following two macros provide us with a way to use this 283c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * compiler feature. Use __predict_true() if you expect the expression 284c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * to evaluate to true, and __predict_false() if you expect the 285c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * expression to evaluate to false. 286c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 287c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * A few notes about usage: 288c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 289c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * * Generally, __predict_false() error condition checks (unless 290c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * you have some _strong_ reason to do otherwise, in which case 291c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * document it), and/or __predict_true() `no-error' condition 292c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * checks, assuming you want to optimize for the no-error case. 293c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 294c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * * Other than that, if you don't know the likelihood of a test 295c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * succeeding from empirical or other `hard' evidence, don't 296c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * make predictions. 297c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 298c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * * These are meant to be used in places that are run `a lot'. 299c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * It is wasteful to make predictions in code that is run 300c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * seldomly (e.g. at subsystem initialization time) as the 301c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * basic block reordering that this affects can often generate 302c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * larger code. 303c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 304c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 96) 305c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __predict_true(exp) __builtin_expect((exp) != 0, 1) 306c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __predict_false(exp) __builtin_expect((exp) != 0, 0) 307c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 308c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __predict_true(exp) (exp) 309c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __predict_false(exp) (exp) 310c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 311c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 312c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#if __GNUC_PREREQ__(2, 96) 313c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __noreturn __attribute__((__noreturn__)) 314c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __mallocfunc __attribute__((malloc)) 315c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#else 316c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __noreturn 317c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __mallocfunc 318c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif 319c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 320c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner/* 321c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Macros for manipulating "link sets". Link sets are arrays of pointers 322c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * to objects, which are gathered up by the linker. 323c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 324c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Object format-specific code has provided us with the following macros: 325c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 326c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_add_text(set, sym) 327c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Add a reference to the .text symbol `sym' to `set'. 328c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 329c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_add_rodata(set, sym) 330c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Add a reference to the .rodata symbol `sym' to `set'. 331c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 332c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_add_data(set, sym) 333c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Add a reference to the .data symbol `sym' to `set'. 334c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 335c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_add_bss(set, sym) 336c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Add a reference to the .bss symbol `sym' to `set'. 337c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 338c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_decl(set, ptype) 339c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Provide an extern declaration of the set `set', which 340c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * contains an array of the pointer type `ptype'. This 341c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * macro must be used by any code which wishes to reference 342c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * the elements of a link set. 343c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 344c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_start(set) 345c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * This points to the first slot in the link set. 346c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 347c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_end(set) 348c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * This points to the (non-existent) slot after the last 349c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * entry in the link set. 350c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 351c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_count(set) 352c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Count the number of entries in link set `set'. 353c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 354c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * In addition, we provide the following macros for accessing link sets: 355c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 356c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_foreach(pvar, set) 357c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Iterate over the link set `set'. Because a link set is 358c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * an array of pointers, pvar must be declared as "type **pvar", 359c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * and the actual entry accessed as "*pvar". 360c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * 361c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * __link_set_entry(set, idx) 362c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner * Access the link set entry at index `idx' from set `set'. 363c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner */ 364c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __link_set_foreach(pvar, set) \ 365c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner for (pvar = __link_set_start(set); pvar < __link_set_end(set); pvar++) 366c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 367c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __link_set_entry(set, idx) (__link_set_begin(set)[idx]) 368c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 3697c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* 3707c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Some of the recend FreeBSD sources used in Bionic need this. 3717c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Originally, this is used to embed the rcs versions of each source file 3727c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * in the generated binary. We certainly don't want this in Bionic. 3737c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner */ 3747c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __FBSDID(s) struct __hack 3757c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 3767c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/*- 3777c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * The following definitions are an extension of the behavior originally 3787c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * implemented in <sys/_posix.h>, but with a different level of granularity. 3797c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * POSIX.1 requires that the macros we test be defined before any standard 3807c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * header file is included. 3817c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * 3827c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Here's a quick run-down of the versions: 3837c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * defined(_POSIX_SOURCE) 1003.1-1988 3847c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 1 1003.1-1990 3857c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option 3867c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 199309 1003.1b-1993 3877c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995, 3887c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * and the omnibus ISO/IEC 9945-1: 1996 3897c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 200112 1003.1-2001 3907c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE == 200809 1003.1-2008 3917c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * 3927c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * In addition, the X/Open Portability Guide, which is now the Single UNIX 3937c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Specification, defines a feature-test macro which indicates the version of 3947c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * that specification, and which subsumes _POSIX_C_SOURCE. 3957c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * 3967c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Our macros begin with two underscores to avoid namespace screwage. 3977c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner */ 3987c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 3997c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */ 4007c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1 4017c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */ 4027c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 199009 4037c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4047c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 4057c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */ 4067c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2 4077c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#undef _POSIX_C_SOURCE 4087c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 199209 4097c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4107c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 4117c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ 4127c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifdef _XOPEN_SOURCE 4137c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if _XOPEN_SOURCE - 0 >= 700 4147c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 700 4157c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#undef _POSIX_C_SOURCE 4167c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 200809 4177c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _XOPEN_SOURCE - 0 >= 600 4187c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 600 4197c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#undef _POSIX_C_SOURCE 4207c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 200112 4217c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _XOPEN_SOURCE - 0 >= 500 4227c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 500 4237c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#undef _POSIX_C_SOURCE 4247c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 199506 4257c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4267c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4277c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 4287c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* 4297c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Deal with all versions of POSIX. The ordering relative to the tests above is 4307c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * important. 4317c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner */ 4327c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) 4337c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define _POSIX_C_SOURCE 198808 4347c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4357c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifdef _POSIX_C_SOURCE 4367c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if _POSIX_C_SOURCE >= 200809 4377c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 200809 4387c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1999 4397c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _POSIX_C_SOURCE >= 200112 4407c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 200112 4417c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1999 4427c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _POSIX_C_SOURCE >= 199506 4437c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 199506 4447c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1990 4457c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _POSIX_C_SOURCE >= 199309 4467c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 199309 4477c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1990 4487c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _POSIX_C_SOURCE >= 199209 4497c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 199209 4507c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1990 4517c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif _POSIX_C_SOURCE >= 199009 4527c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 199009 4537c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1990 4547c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#else 4557c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 198808 4567c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 0 4577c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif /* _POSIX_C_SOURCE */ 4587c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#else 4597c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/*- 4607c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Deal with _ANSI_SOURCE: 4617c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * If it is defined, and no other compilation environment is explicitly 4627c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * requested, then define our internal feature-test macros to zero. This 4637c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * makes no difference to the preprocessor (undefined symbols in preprocessing 4647c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * expressions are defined to have value zero), but makes it more convenient for 4657c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * a test program to print out the values. 4667c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * 4677c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * If a program mistakenly defines _ANSI_SOURCE and some other macro such as 4687c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * _POSIX_C_SOURCE, we will assume that it wants the broader compilation 4697c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * environment (and in fact we will never get here). 4707c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner */ 4717c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#if defined(_ANSI_SOURCE) /* Hide almost everything. */ 4727c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 0 4737c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 0 4747c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __BSD_VISIBLE 0 4757c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1990 4767c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */ 4777c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 0 4787c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 0 4797c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __BSD_VISIBLE 0 4807c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1999 4817c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#else /* Default environment: show everything. */ 4827c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __POSIX_VISIBLE 200809 4837c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __XSI_VISIBLE 700 4847c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __BSD_VISIBLE 1 4857c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#define __ISO_C_VISIBLE 1999 4867c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4877c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4887c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 4897c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner/* 4907c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner * Default values. 4917c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner */ 4927c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifndef __XPG_VISIBLE 4937c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner# define __XPG_VISIBLE 700 4947c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4957c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifndef __POSIX_VISIBLE 4967c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner# define __POSIX_VISIBLE 200809 4977c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 4987c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifndef __ISO_C_VISIBLE 4997c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner# define __ISO_C_VISIBLE 1999 5007c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 5017c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#ifndef __BSD_VISIBLE 5027c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner# define __BSD_VISIBLE 1 5037c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner#endif 5047c2ba504e9c10e67f27e7b0aff90981c469d2701David 'Digit' Turner 505c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#define __BIONIC__ 1 506bea05255de4372e7c2d41489b637338f59df9361David 'Digit' Turner#include <android/api-level.h> 507c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner 508c817c5210e4207908b83faaf08a2c5b95251f871David 'Digit' Turner#endif /* !_SYS_CDEFS_H_ */ 509