mirror of
https://github.com/isar/libmdbx.git
synced 2024-10-30 23:39:19 +08:00
238 lines
6.3 KiB
C
238 lines
6.3 KiB
C
/*
|
|
* Copyright 2015-2017 Leonid Yuriev <leo@yuriev.ru>.
|
|
* Copyright 2015,2016 Peter-Service R&D LLC.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in the file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#ifndef _REOPEN_H
|
|
#define _REOPEN_H
|
|
|
|
#ifndef __CLANG_PREREQ
|
|
# ifdef __clang__
|
|
# define __CLANG_PREREQ(maj,min) \
|
|
((__clang_major__ << 16) + __clang_minor__ >= ((maj) << 16) + (min))
|
|
# else
|
|
# define __CLANG_PREREQ(maj,min) (0)
|
|
# endif
|
|
#endif /* __CLANG_PREREQ */
|
|
|
|
#ifndef __has_attribute
|
|
# define __has_attribute(x) (0)
|
|
#endif
|
|
|
|
#if !defined(__thread) && (defined(_MSC_VER) || defined(__DMC__))
|
|
# define __thread __declspec(thread)
|
|
#endif
|
|
|
|
#ifndef __forceinline
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __forceinline __inline __attribute__((always_inline))
|
|
# elif ! defined(_MSC_VER)
|
|
# define __forceinline
|
|
# endif
|
|
#endif /* __forceinline */
|
|
|
|
#ifndef __noinline
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __noinline __attribute__((noinline))
|
|
# elif defined(_MSC_VER)
|
|
# define __noinline __declspec(noinline)
|
|
# endif
|
|
#endif /* __noinline */
|
|
|
|
#ifndef __must_check_result
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __must_check_result __attribute__((warn_unused_result))
|
|
# else
|
|
# define __must_check_result
|
|
# endif
|
|
#endif /* __must_check_result */
|
|
|
|
#ifndef __hot
|
|
# if defined(__OPTIMIZE__) && (defined(__GNUC__) && !defined(__clang__))
|
|
# define __hot __attribute__((hot, optimize("O3")))
|
|
# elif defined(__GNUC__)
|
|
/* cland case, just put frequently used functions in separate section */
|
|
# define __hot __attribute__((section("text.hot")))
|
|
# else
|
|
# define __hot
|
|
# endif
|
|
#endif /* __hot */
|
|
|
|
#ifndef __cold
|
|
# if defined(__OPTIMIZE__) && (defined(__GNUC__) && !defined(__clang__))
|
|
# define __cold __attribute__((cold, optimize("Os")))
|
|
# elif defined(__GNUC__)
|
|
/* cland case, just put infrequently used functions in separate section */
|
|
# define __cold __attribute__((section("text.unlikely")))
|
|
# else
|
|
# define __cold
|
|
# endif
|
|
#endif /* __cold */
|
|
|
|
#ifndef __flatten
|
|
# if defined(__OPTIMIZE__) && (defined(__GNUC__) || defined(__clang__))
|
|
# define __flatten __attribute__((flatten))
|
|
# else
|
|
# define __flatten
|
|
# endif
|
|
#endif /* __flatten */
|
|
|
|
#ifndef __aligned
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __aligned(N) __attribute__((aligned(N)))
|
|
# elif defined(__MSC_VER)
|
|
# define __aligned(N) __declspec(align(N))
|
|
# else
|
|
# define __aligned(N)
|
|
# endif
|
|
#endif /* __align */
|
|
|
|
#ifndef __noreturn
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __noreturn __attribute__((noreturn))
|
|
# elif defined(__MSC_VER)
|
|
# define __noreturn __declspec(noreturn)
|
|
# else
|
|
# define __noreturn
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef __nothrow
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# define __nothrow __attribute__((nothrow))
|
|
# elif defined(__MSC_VER)
|
|
# define __nothrow __declspec(nothrow)
|
|
# else
|
|
# define __nothrow
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef CACHELINE_SIZE
|
|
# if defined(__ia64__) || defined(__ia64) || defined(_M_IA64)
|
|
# define CACHELINE_SIZE 128
|
|
# else
|
|
# define CACHELINE_SIZE 64
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef __cache_aligned
|
|
# define __cache_aligned __aligned(CACHELINE_SIZE)
|
|
#endif
|
|
|
|
#ifndef likely
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# ifdef __cplusplus
|
|
/* LY: workaround for "pretty" boost */
|
|
static __inline __attribute__((always_inline))
|
|
bool likely(bool cond) { return __builtin_expect(cond, 1); }
|
|
# else
|
|
# define likely(cond) __builtin_expect(!!(cond), 1)
|
|
# endif
|
|
# else
|
|
# define likely(x) (x)
|
|
# endif
|
|
#endif /* likely */
|
|
|
|
#ifndef unlikely
|
|
# if defined(__GNUC__) || defined(__clang__)
|
|
# ifdef __cplusplus
|
|
/* LY: workaround for "pretty" boost */
|
|
static __inline __attribute__((always_inline))
|
|
bool unlikely(bool cond) { return __builtin_expect(cond, 0); }
|
|
# else
|
|
# define unlikely(cond) __builtin_expect(!!(cond), 0)
|
|
# endif
|
|
# else
|
|
# define unlikely(x) (x)
|
|
# endif
|
|
#endif /* unlikely */
|
|
|
|
#ifndef __extern_C
|
|
# ifdef __cplusplus
|
|
# define __extern_C extern "C"
|
|
# else
|
|
# define __extern_C
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef __noop
|
|
# define __noop() do {} while (0)
|
|
#endif
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
#include <assert.h>
|
|
|
|
/* Prototype should match libc runtime. ISO POSIX (2003) & LSB 3.1 */
|
|
__extern_C void __assert_fail(
|
|
const char* assertion,
|
|
const char* file,
|
|
unsigned line,
|
|
const char* function) __nothrow __noreturn;
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
#if defined(HAVE_VALGRIND) || defined(USE_VALGRIND)
|
|
/* Get debugging help from Valgrind */
|
|
# include <valgrind/memcheck.h>
|
|
# ifndef VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE
|
|
/* LY: available since Valgrind 3.10 */
|
|
# define VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE(a,s)
|
|
# define VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE(a,s)
|
|
# endif
|
|
#else
|
|
# define VALGRIND_CREATE_MEMPOOL(h,r,z)
|
|
# define VALGRIND_DESTROY_MEMPOOL(h)
|
|
# define VALGRIND_MEMPOOL_TRIM(h,a,s)
|
|
# define VALGRIND_MEMPOOL_ALLOC(h,a,s)
|
|
# define VALGRIND_MEMPOOL_FREE(h,a)
|
|
# define VALGRIND_MEMPOOL_CHANGE(h,a,b,s)
|
|
# define VALGRIND_MAKE_MEM_NOACCESS(a,s)
|
|
# define VALGRIND_MAKE_MEM_DEFINED(a,s)
|
|
# define VALGRIND_MAKE_MEM_UNDEFINED(a,s)
|
|
# define VALGRIND_DISABLE_ADDR_ERROR_REPORTING_IN_RANGE(a,s)
|
|
# define VALGRIND_ENABLE_ADDR_ERROR_REPORTING_IN_RANGE(a,s)
|
|
# define VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,s) (0)
|
|
# define VALGRIND_CHECK_MEM_IS_DEFINED(a,s) (0)
|
|
#endif /* ! USE_VALGRIND */
|
|
|
|
#if defined(__has_feature)
|
|
# if __has_feature(thread_sanitizer)
|
|
# define __SANITIZE_THREAD__ 1
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __SANITIZE_THREAD__
|
|
# define ATTRIBUTE_NO_SANITIZE_THREAD __attribute__((no_sanitize_thread, noinline))
|
|
#else
|
|
# define ATTRIBUTE_NO_SANITIZE_THREAD
|
|
#endif
|
|
|
|
#if defined(__has_feature)
|
|
# if __has_feature(address_sanitizer)
|
|
# define __SANITIZE_ADDRESS__ 1
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __SANITIZE_ADDRESS__
|
|
# include <sanitizer/asan_interface.h>
|
|
# define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address, noinline))
|
|
#else
|
|
# define ASAN_POISON_MEMORY_REGION(addr, size) \
|
|
((void)(addr), (void)(size))
|
|
# define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
|
|
((void)(addr), (void)(size))
|
|
# define ATTRIBUTE_NO_SANITIZE_ADDRESS
|
|
#endif /* __SANITIZE_ADDRESS__ */
|
|
|
|
#endif /* _REOPEN_H */
|