2,7 → 2,7 |
|
/* Written 2000 by Werner Almesberger */ |
|
/* |
/*- |
* Copyright (c) 1991, 1993 |
* The Regents of the University of California. All rights reserved. |
* |
17,10 → 17,6 |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* must display the following acknowledgement: |
* This product includes software developed by the University of |
* California, Berkeley and its contributors. |
* 4. Neither the name of the University nor the names of its contributors |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
38,27 → 34,130 |
* SUCH DAMAGE. |
* |
* @(#)cdefs.h 8.8 (Berkeley) 1/9/95 |
* $FreeBSD: src/sys/sys/cdefs.h,v 1.54 2002/05/11 03:58:24 alfred Exp $ |
* $FreeBSD$ |
*/ |
|
#ifndef _SYS_CDEFS_H |
#define _SYS_CDEFS_H |
#ifndef _SYS_CDEFS_H_ |
#define _SYS_CDEFS_H_ |
|
#define __FBSDID(x) /* nothing */ |
/* |
* Note: the goal here is not compatibility to K&R C. Since we know that we |
* have GCC which understands ANSI C perfectly well, we make use of this. |
*/ |
#include <machine/_default_types.h> |
#include <sys/features.h> |
#include <stddef.h> |
|
#define __P(args) args |
#define __PMT(args) args |
#define __const const |
#define __signed signed |
#define __volatile volatile |
#define __DOTS , ... |
#define __THROW |
|
#ifdef __GNUC__ |
# define __ASMNAME(cname) __XSTRING (__USER_LABEL_PREFIX__) cname |
#endif |
|
#define __ptr_t void * |
#define __long_double_t long double |
|
#define __attribute_malloc__ |
#define __attribute_pure__ |
#define __attribute_format_strfmon__(a,b) |
#define __flexarr [0] |
|
#ifndef __BOUNDED_POINTERS__ |
# define __bounded /* nothing */ |
# define __unbounded /* nothing */ |
# define __ptrvalue /* nothing */ |
#endif |
|
/* |
* Testing against Clang-specific extensions. |
*/ |
|
#ifndef __has_extension |
#define __has_extension __has_feature |
#endif |
#ifndef __has_feature |
#define __has_feature(x) 0 |
#endif |
#ifndef __has_include |
#define __has_include(x) 0 |
#endif |
#ifndef __has_builtin |
#define __has_builtin(x) 0 |
#endif |
|
#if defined(__cplusplus) |
#define __BEGIN_DECLS extern "C" { |
#define __END_DECLS } |
#else |
#define __BEGIN_DECLS |
#define __END_DECLS |
#endif |
|
/* |
* This code has been put in place to help reduce the addition of |
* compiler specific defines in FreeBSD code. It helps to aid in |
* having a compiler-agnostic source tree. |
*/ |
|
#if defined(__GNUC__) || defined(__INTEL_COMPILER) |
|
#if __GNUC__ >= 3 || defined(__INTEL_COMPILER) |
#define __GNUCLIKE_ASM 3 |
#define __GNUCLIKE_MATH_BUILTIN_CONSTANTS |
#else |
#define __GNUCLIKE_ASM 2 |
#endif |
#define __GNUCLIKE___TYPEOF 1 |
#define __GNUCLIKE___OFFSETOF 1 |
#define __GNUCLIKE___SECTION 1 |
|
#ifndef __INTEL_COMPILER |
# define __GNUCLIKE_CTOR_SECTION_HANDLING 1 |
#endif |
|
#define __GNUCLIKE_BUILTIN_CONSTANT_P 1 |
# if defined(__INTEL_COMPILER) && defined(__cplusplus) \ |
&& __INTEL_COMPILER < 800 |
# undef __GNUCLIKE_BUILTIN_CONSTANT_P |
# endif |
|
#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3) && !defined(__INTEL_COMPILER) |
# define __GNUCLIKE_BUILTIN_VARARGS 1 |
# define __GNUCLIKE_BUILTIN_STDARG 1 |
# define __GNUCLIKE_BUILTIN_VAALIST 1 |
#endif |
|
#if defined(__GNUC__) |
# define __GNUC_VA_LIST_COMPATIBILITY 1 |
#endif |
|
/* |
* Compiler memory barriers, specific to gcc and clang. |
*/ |
#if defined(__GNUC__) |
#define __compiler_membar() __asm __volatile(" " : : : "memory") |
#endif |
|
#ifndef __INTEL_COMPILER |
# define __GNUCLIKE_BUILTIN_NEXT_ARG 1 |
# define __GNUCLIKE_MATH_BUILTIN_RELOPS |
#endif |
|
#define __GNUCLIKE_BUILTIN_MEMCPY 1 |
|
/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */ |
#define __CC_SUPPORTS_INLINE 1 |
#define __CC_SUPPORTS___INLINE 1 |
#define __CC_SUPPORTS___INLINE__ 1 |
|
#define __CC_SUPPORTS___FUNC__ 1 |
#define __CC_SUPPORTS_WARNING 1 |
|
#define __CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */ |
|
#define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1 |
|
#endif /* __GNUC__ || __INTEL_COMPILER */ |
|
/* |
* The __CONCAT macro is used to concatenate parts of symbol names, e.g. |
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. |
* The __CONCAT macro is a bit tricky to use if it must work in non-ANSI |
70,40 → 169,343 |
* __XSTRING is like __STRING, but it expands any macros in its argument |
* first. It is only available with ANSI C. |
*/ |
#if defined(__STDC__) || defined(__cplusplus) |
#define __P(protos) protos /* full-blown ANSI C */ |
#define __CONCAT1(x,y) x ## y |
#define __CONCAT(x,y) __CONCAT1(x,y) |
#define __STRING(x) #x /* stringify without expanding x */ |
#define __XSTRING(x) __STRING(x) /* expand x, then stringify */ |
|
#ifdef __GNUC__ |
# define __ASMNAME(cname) __XSTRING (__USER_LABEL_PREFIX__) cname |
#define __const const /* define reserved names to standard */ |
#define __signed signed |
#define __volatile volatile |
#if defined(__cplusplus) |
#define __inline inline /* convert to C++ keyword */ |
#else |
#if !(defined(__CC_SUPPORTS___INLINE)) |
#define __inline /* delete GCC keyword */ |
#endif /* ! __CC_SUPPORTS___INLINE */ |
#endif /* !__cplusplus */ |
|
#else /* !(__STDC__ || __cplusplus) */ |
#define __P(protos) () /* traditional C preprocessor */ |
#define __CONCAT(x,y) x/**/y |
#define __STRING(x) "x" |
|
#if !defined(__CC_SUPPORTS___INLINE) |
#define __const /* delete pseudo-ANSI C keywords */ |
#define __inline |
#define __signed |
#define __volatile |
/* |
* In non-ANSI C environments, new programs will want ANSI-only C keywords |
* deleted from the program and old programs will want them left alone. |
* When using a compiler other than gcc, programs using the ANSI C keywords |
* const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. |
* When using "gcc -traditional", we assume that this is the intent; if |
* __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. |
*/ |
#ifndef NO_ANSI_KEYWORDS |
#define const /* delete ANSI C keywords */ |
#define inline |
#define signed |
#define volatile |
#endif /* !NO_ANSI_KEYWORDS */ |
#endif /* !__CC_SUPPORTS___INLINE */ |
#endif /* !(__STDC__ || __cplusplus) */ |
|
/* |
* Compiler-dependent macros to help declare dead (non-returning) and |
* pure (no side effects) functions, and unused variables. They are |
* null except for versions of gcc that are known to support the features |
* properly (old versions of gcc-2 supported the dead and pure features |
* in a different (wrong) way). If we do not provide an implementation |
* for a given compiler, let the compile fail if it is told to use |
* a feature that we cannot live without. |
*/ |
#ifdef lint |
#define __dead2 |
#define __pure2 |
#define __unused |
#define __packed |
#define __aligned(x) |
#define __section(x) |
#else |
#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER) |
#define __dead2 |
#define __pure2 |
#define __unused |
#endif |
#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER) |
#define __dead2 __attribute__((__noreturn__)) |
#define __pure2 __attribute__((__const__)) |
#define __unused |
/* XXX Find out what to do for __packed, __aligned and __section */ |
#endif |
#if __GNUC_PREREQ__(2, 7) |
#define __dead2 __attribute__((__noreturn__)) |
#define __pure2 __attribute__((__const__)) |
#define __unused __attribute__((__unused__)) |
#define __used __attribute__((__used__)) |
#define __packed __attribute__((__packed__)) |
#define __aligned(x) __attribute__((__aligned__(x))) |
#define __section(x) __attribute__((__section__(x))) |
#endif |
#if defined(__INTEL_COMPILER) |
#define __dead2 __attribute__((__noreturn__)) |
#define __pure2 __attribute__((__const__)) |
#define __unused __attribute__((__unused__)) |
#define __used __attribute__((__used__)) |
#define __packed __attribute__((__packed__)) |
#define __aligned(x) __attribute__((__aligned__(x))) |
#define __section(x) __attribute__((__section__(x))) |
#endif |
#endif |
|
#define __ptr_t void * |
#define __long_double_t long double |
#if !__GNUC_PREREQ__(2, 95) |
#define __alignof(x) __offsetof(struct { char __a; x __b; }, __b) |
#endif |
|
#define __attribute_malloc__ |
#define __attribute_pure__ |
#define __attribute_format_strfmon__(a,b) |
#define __flexarr [0] |
/* |
* Keywords added in C11. |
*/ |
|
#ifdef __cplusplus |
# define __BEGIN_DECLS extern "C" { |
# define __END_DECLS } |
#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L |
|
#if !__has_extension(c_alignas) |
#if (defined(__cplusplus) && __cplusplus >= 201103L) || \ |
__has_extension(cxx_alignas) |
#define _Alignas(x) alignas(x) |
#else |
# define __BEGIN_DECLS |
# define __END_DECLS |
/* XXX: Only emulates _Alignas(constant-expression); not _Alignas(type-name). */ |
#define _Alignas(x) __aligned(x) |
#endif |
#endif |
|
#ifndef __BOUNDED_POINTERS__ |
# define __bounded /* nothing */ |
# define __unbounded /* nothing */ |
# define __ptrvalue /* nothing */ |
#if defined(__cplusplus) && __cplusplus >= 201103L |
#define _Alignof(x) alignof(x) |
#else |
#define _Alignof(x) __alignof(x) |
#endif |
|
#ifdef __GNUC__ |
#if !__has_extension(c_atomic) && !__has_extension(cxx_atomic) |
/* |
* No native support for _Atomic(). Place object in structure to prevent |
* most forms of direct non-atomic access. |
*/ |
#define _Atomic(T) struct { T volatile __val; } |
#endif |
|
#if defined(__cplusplus) && __cplusplus >= 201103L |
#define _Noreturn [[noreturn]] |
#else |
#define _Noreturn __dead2 |
#endif |
|
#if __GNUC_PREREQ__(4, 6) && !defined(__cplusplus) |
/* Do nothing: _Static_assert() works as per C11 */ |
#elif !__has_extension(c_static_assert) |
#if (defined(__cplusplus) && __cplusplus >= 201103L) || \ |
__has_extension(cxx_static_assert) |
#define _Static_assert(x, y) static_assert(x, y) |
#elif defined(__COUNTER__) |
#define _Static_assert(x, y) __Static_assert(x, __COUNTER__) |
#define __Static_assert(x, y) ___Static_assert(x, y) |
#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 : -1] |
#else |
#define _Static_assert(x, y) struct __hack |
#endif |
#endif |
|
#if !__has_extension(c_thread_local) |
/* XXX: Change this to test against C++11 when clang in base supports it. */ |
#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \ |
__has_extension(cxx_thread_local) |
#define _Thread_local thread_local |
#else |
#define _Thread_local __thread |
#endif |
#endif |
|
#endif /* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */ |
|
/* |
* Emulation of C11 _Generic(). Unlike the previously defined C11 |
* keywords, it is not possible to implement this using exactly the same |
* syntax. Therefore implement something similar under the name |
* __generic(). Unlike _Generic(), this macro can only distinguish |
* between a single type, so it requires nested invocations to |
* distinguish multiple cases. |
*/ |
|
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L |
#define __generic(expr, t, yes, no) \ |
_Generic(expr, t: yes, default: no) |
#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus) |
#define __generic(expr, t, yes, no) \ |
__builtin_choose_expr( \ |
__builtin_types_compatible_p(__typeof(expr), t), yes, no) |
#endif |
|
#if __GNUC_PREREQ__(2, 96) |
#define __malloc_like __attribute__((__malloc__)) |
#define __pure __attribute__((__pure__)) |
#else |
#define __malloc_like |
#define __pure |
#endif |
|
#if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800) |
#define __always_inline __attribute__((__always_inline__)) |
#else |
#define __always_inline |
#endif |
|
#if __GNUC_PREREQ__(3, 1) |
#define __noinline __attribute__ ((__noinline__)) |
#else |
#define __noinline |
#endif |
|
#if __GNUC_PREREQ__(3, 3) |
#define __nonnull(x) __attribute__((__nonnull__(x))) |
#else |
#define __nonnull(x) |
#endif |
|
#if __GNUC_PREREQ__(3, 4) |
#define __fastcall __attribute__((__fastcall__)) |
#else |
#define __fastcall |
#endif |
|
#if __GNUC_PREREQ__(4, 1) |
#define __returns_twice __attribute__((__returns_twice__)) |
#else |
#define __returns_twice |
#endif |
|
/* XXX: should use `#if __STDC_VERSION__ < 199901'. */ |
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER) |
#define __func__ NULL |
#endif |
|
/* |
* GCC 2.95 provides `__restrict' as an extension to C90 to support the |
* C99-specific `restrict' type qualifier. We happen to use `__restrict' as |
* a way to define the `restrict' type qualifier without disturbing older |
* software that is unaware of C99 keywords. |
*/ |
#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95) |
#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901 || defined(lint) |
#define __restrict |
#else |
#define __restrict restrict |
#endif |
#endif |
|
/* |
* GNU C version 2.96 adds explicit branch prediction so that |
* the CPU back-end can hint the processor and also so that |
* code blocks can be reordered such that the predicted path |
* sees a more linear flow, thus improving cache behavior, etc. |
* |
* The following two macros provide us with a way to utilize this |
* compiler feature. Use __predict_true() if you expect the expression |
* to evaluate to true, and __predict_false() if you expect the |
* expression to evaluate to false. |
* |
* A few notes about usage: |
* |
* * Generally, __predict_false() error condition checks (unless |
* you have some _strong_ reason to do otherwise, in which case |
* document it), and/or __predict_true() `no-error' condition |
* checks, assuming you want to optimize for the no-error case. |
* |
* * Other than that, if you don't know the likelihood of a test |
* succeeding from empirical or other `hard' evidence, don't |
* make predictions. |
* |
* * These are meant to be used in places that are run `a lot'. |
* It is wasteful to make predictions in code that is run |
* seldomly (e.g. at subsystem initialization time) as the |
* basic block reordering that this affects can often generate |
* larger code. |
*/ |
#if __GNUC_PREREQ__(2, 96) |
#define __predict_true(exp) __builtin_expect((exp), 1) |
#define __predict_false(exp) __builtin_expect((exp), 0) |
#else |
#define __predict_true(exp) (exp) |
#define __predict_false(exp) (exp) |
#endif |
|
#if __GNUC_PREREQ__(4, 2) |
#define __hidden __attribute__((__visibility__("hidden"))) |
#define __exported __attribute__((__visibility__("default"))) |
#else |
#define __hidden |
#define __exported |
#endif |
|
#define __offsetof(type, field) offsetof(type, field) |
#define __rangeof(type, start, end) \ |
(__offsetof(type, end) - __offsetof(type, start)) |
|
/* |
* Given the pointer x to the member m of the struct s, return |
* a pointer to the containing structure. When using GCC, we first |
* assign pointer x to a local variable, to check that its type is |
* compatible with member m. |
*/ |
#if __GNUC_PREREQ__(3, 1) |
#define __containerof(x, s, m) ({ \ |
const volatile __typeof__(((s *)0)->m) *__x = (x); \ |
__DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\ |
}) |
#else |
#define __containerof(x, s, m) \ |
__DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m)) |
#endif |
|
/* |
* Compiler-dependent macros to declare that functions take printf-like |
* or scanf-like arguments. They are null except for versions of gcc |
* that are known to support the features properly (old versions of gcc-2 |
* didn't permit keeping the keywords out of the application namespace). |
*/ |
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER) |
#define __printflike(fmtarg, firstvararg) |
#define __scanflike(fmtarg, firstvararg) |
#define __format_arg(fmtarg) |
#define __strfmonlike(fmtarg, firstvararg) |
#define __strftimelike(fmtarg, firstvararg) |
#else |
#define __printflike(fmtarg, firstvararg) \ |
__attribute__((__format__ (__printf__, fmtarg, firstvararg))) |
#define __scanflike(fmtarg, firstvararg) \ |
__attribute__((__format__ (__scanf__, fmtarg, firstvararg))) |
#define __format_arg(fmtarg) __attribute__((__format_arg__ (fmtarg))) |
#define __strfmonlike(fmtarg, firstvararg) \ |
__attribute__((__format__ (__strfmon__, fmtarg, firstvararg))) |
#define __strftimelike(fmtarg, firstvararg) \ |
__attribute__((__format__ (__strftime__, fmtarg, firstvararg))) |
#endif |
|
/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */ |
#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \ |
defined(__GNUC__) && !defined(__INTEL_COMPILER) |
#define __printf0like(fmtarg, firstvararg) \ |
__attribute__((__format__ (__printf0__, fmtarg, firstvararg))) |
#else |
#define __printf0like(fmtarg, firstvararg) |
#endif |
|
#if defined(__GNUC__) || defined(__INTEL_COMPILER) |
#ifndef __INTEL_COMPILER |
#define __strong_reference(sym,aliassym) \ |
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))); |
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))) |
#endif |
#ifdef __ELF__ |
#ifdef __STDC__ |
#define __weak_reference(sym,alias) \ |
113,6 → 515,10 |
__asm__(".section .gnu.warning." #sym); \ |
__asm__(".asciz \"" msg "\""); \ |
__asm__(".previous") |
#define __sym_compat(sym,impl,verid) \ |
__asm__(".symver " #impl ", " #sym "@" #verid) |
#define __sym_default(sym,impl,verid) \ |
__asm__(".symver " #impl ", " #sym "@@" #verid) |
#else |
#define __weak_reference(sym,alias) \ |
__asm__(".weak alias"); \ |
121,6 → 527,10 |
__asm__(".section .gnu.warning.sym"); \ |
__asm__(".asciz \"msg\""); \ |
__asm__(".previous") |
#define __sym_compat(sym,impl,verid) \ |
__asm__(".symver impl, sym@verid") |
#define __sym_default(impl,sym,verid) \ |
__asm__(".symver impl, sym@@verid") |
#endif /* __STDC__ */ |
#else /* !__ELF__ */ |
#ifdef __STDC__ |
139,6 → 549,162 |
__asm__(".stabs \"_/**/sym\",1,0,0,0") |
#endif /* __STDC__ */ |
#endif /* __ELF__ */ |
#endif /* __GNUC__ */ |
#endif /* __GNUC__ || __INTEL_COMPILER */ |
|
#endif /* _SYS_CDEFS_H */ |
#ifndef __FBSDID |
#define __FBSDID(s) struct __hack |
#endif |
|
#ifndef __RCSID |
#define __RCSID(s) struct __hack |
#endif |
|
#ifndef __RCSID_SOURCE |
#define __RCSID_SOURCE(s) struct __hack |
#endif |
|
#ifndef __SCCSID |
#define __SCCSID(s) struct __hack |
#endif |
|
#ifndef __COPYRIGHT |
#define __COPYRIGHT(s) struct __hack |
#endif |
|
#ifndef __DECONST |
#define __DECONST(type, var) ((type)(__uintptr_t)(const void *)(var)) |
#endif |
|
#ifndef __DEVOLATILE |
#define __DEVOLATILE(type, var) ((type)(__uintptr_t)(volatile void *)(var)) |
#endif |
|
#ifndef __DEQUALIFY |
#define __DEQUALIFY(type, var) ((type)(__uintptr_t)(const volatile void *)(var)) |
#endif |
|
/*- |
* The following definitions are an extension of the behavior originally |
* implemented in <sys/_posix.h>, but with a different level of granularity. |
* POSIX.1 requires that the macros we test be defined before any standard |
* header file is included. |
* |
* Here's a quick run-down of the versions: |
* defined(_POSIX_SOURCE) 1003.1-1988 |
* _POSIX_C_SOURCE == 1 1003.1-1990 |
* _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option |
* _POSIX_C_SOURCE == 199309 1003.1b-1993 |
* _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995, |
* and the omnibus ISO/IEC 9945-1: 1996 |
* _POSIX_C_SOURCE == 200112 1003.1-2001 |
* _POSIX_C_SOURCE == 200809 1003.1-2008 |
* |
* In addition, the X/Open Portability Guide, which is now the Single UNIX |
* Specification, defines a feature-test macro which indicates the version of |
* that specification, and which subsumes _POSIX_C_SOURCE. |
* |
* Our macros begin with two underscores to avoid namespace screwage. |
*/ |
|
/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */ |
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1 |
#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */ |
#define _POSIX_C_SOURCE 199009 |
#endif |
|
/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */ |
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2 |
#undef _POSIX_C_SOURCE |
#define _POSIX_C_SOURCE 199209 |
#endif |
|
/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ |
#ifdef _XOPEN_SOURCE |
#if _XOPEN_SOURCE - 0 >= 700 |
#define __XSI_VISIBLE 700 |
#undef _POSIX_C_SOURCE |
#define _POSIX_C_SOURCE 200809 |
#elif _XOPEN_SOURCE - 0 >= 600 |
#define __XSI_VISIBLE 600 |
#undef _POSIX_C_SOURCE |
#define _POSIX_C_SOURCE 200112 |
#elif _XOPEN_SOURCE - 0 >= 500 |
#define __XSI_VISIBLE 500 |
#undef _POSIX_C_SOURCE |
#define _POSIX_C_SOURCE 199506 |
#endif |
#endif |
|
/* |
* Deal with all versions of POSIX. The ordering relative to the tests above is |
* important. |
*/ |
#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) |
#define _POSIX_C_SOURCE 198808 |
#endif |
#ifdef _POSIX_C_SOURCE |
#if _POSIX_C_SOURCE >= 200809 |
#define __POSIX_VISIBLE 200809 |
#define __ISO_C_VISIBLE 1999 |
#elif _POSIX_C_SOURCE >= 200112 |
#define __POSIX_VISIBLE 200112 |
#define __ISO_C_VISIBLE 1999 |
#elif _POSIX_C_SOURCE >= 199506 |
#define __POSIX_VISIBLE 199506 |
#define __ISO_C_VISIBLE 1990 |
#elif _POSIX_C_SOURCE >= 199309 |
#define __POSIX_VISIBLE 199309 |
#define __ISO_C_VISIBLE 1990 |
#elif _POSIX_C_SOURCE >= 199209 |
#define __POSIX_VISIBLE 199209 |
#define __ISO_C_VISIBLE 1990 |
#elif _POSIX_C_SOURCE >= 199009 |
#define __POSIX_VISIBLE 199009 |
#define __ISO_C_VISIBLE 1990 |
#else |
#define __POSIX_VISIBLE 198808 |
#define __ISO_C_VISIBLE 0 |
#endif /* _POSIX_C_SOURCE */ |
#else |
/*- |
* Deal with _ANSI_SOURCE: |
* If it is defined, and no other compilation environment is explicitly |
* requested, then define our internal feature-test macros to zero. This |
* makes no difference to the preprocessor (undefined symbols in preprocessing |
* expressions are defined to have value zero), but makes it more convenient for |
* a test program to print out the values. |
* |
* If a program mistakenly defines _ANSI_SOURCE and some other macro such as |
* _POSIX_C_SOURCE, we will assume that it wants the broader compilation |
* environment (and in fact we will never get here). |
*/ |
#if defined(_ANSI_SOURCE) /* Hide almost everything. */ |
#define __POSIX_VISIBLE 0 |
#define __XSI_VISIBLE 0 |
#define __BSD_VISIBLE 0 |
#define __ISO_C_VISIBLE 1990 |
#elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */ |
#define __POSIX_VISIBLE 0 |
#define __XSI_VISIBLE 0 |
#define __BSD_VISIBLE 0 |
#define __ISO_C_VISIBLE 1999 |
#elif defined(_C11_SOURCE) /* Localism to specify strict C11 env. */ |
#define __POSIX_VISIBLE 0 |
#define __XSI_VISIBLE 0 |
#define __BSD_VISIBLE 0 |
#define __ISO_C_VISIBLE 2011 |
#elif defined(_GNU_SOURCE) /* Everything and the kitchen sink. */ |
#define __POSIX_VISIBLE 200809 |
#define __XSI_VISIBLE 700 |
#define __BSD_VISIBLE 1 |
#define __ISO_C_VISIBLE 2011 |
#define __GNU_VISIBLE 1 |
#else /* Default: everything except __GNU_VISIBLE. */ |
#define __POSIX_VISIBLE 200809 |
#define __XSI_VISIBLE 700 |
#define __BSD_VISIBLE 1 |
#define __ISO_C_VISIBLE 2011 |
#endif |
#endif |
|
#endif /* !_SYS_CDEFS_H_ */ |