mirror of
https://github.com/isar/libmdbx.git
synced 2025-01-06 22:24:13 +08:00
137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
/// \copyright SPDX-License-Identifier: Apache-2.0
|
|
/// \author Леонид Юрьев aka Leonid Yuriev <leo@yuriev.ru> \date 2015-2024
|
|
|
|
#pragma once
|
|
|
|
#define LIBMDBX_INTERNALS
|
|
#define MDBX_DEPRECATED
|
|
|
|
#ifdef MDBX_CONFIG_H
|
|
#include MDBX_CONFIG_H
|
|
#endif
|
|
|
|
#include "preface.h"
|
|
|
|
#ifdef xMDBX_ALLOY
|
|
/* Amalgamated build */
|
|
#define MDBX_INTERNAL static
|
|
#else
|
|
/* Non-amalgamated build */
|
|
#define MDBX_INTERNAL
|
|
#endif /* xMDBX_ALLOY */
|
|
|
|
#include "../mdbx.h"
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
/* Basic constants and types */
|
|
|
|
typedef struct iov_ctx iov_ctx_t;
|
|
#include "osal.h"
|
|
|
|
#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul || defined(_WIN64)
|
|
#define MDBX_WORDBITS 64
|
|
#else
|
|
#define MDBX_WORDBITS 32
|
|
#endif /* MDBX_WORDBITS */
|
|
|
|
#include "options.h"
|
|
|
|
#include "atomics-types.h"
|
|
|
|
#include "layout-dxb.h"
|
|
#include "layout-lck.h"
|
|
|
|
#define MIN_MAPSIZE (MDBX_MIN_PAGESIZE * MIN_PAGENO)
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
#define MAX_MAPSIZE32 UINT32_C(0x38000000)
|
|
#else
|
|
#define MAX_MAPSIZE32 UINT32_C(0x7f000000)
|
|
#endif
|
|
#define MAX_MAPSIZE64 ((MAX_PAGENO + 1) * (uint64_t)MDBX_MAX_PAGESIZE)
|
|
|
|
#if MDBX_WORDBITS >= 64
|
|
#define MAX_MAPSIZE MAX_MAPSIZE64
|
|
#define PAGELIST_LIMIT ((size_t)MAX_PAGENO)
|
|
#else
|
|
#define MAX_MAPSIZE MAX_MAPSIZE32
|
|
#define PAGELIST_LIMIT (MAX_MAPSIZE32 / MDBX_MIN_PAGESIZE)
|
|
#endif /* MDBX_WORDBITS */
|
|
|
|
#define MDBX_GOLD_RATIO_DBL 1.6180339887498948482
|
|
#define MEGABYTE ((size_t)1 << 20)
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
union logger_union {
|
|
void *ptr;
|
|
MDBX_debug_func *fmt;
|
|
MDBX_debug_func_nofmt *nofmt;
|
|
};
|
|
|
|
struct libmdbx_globals {
|
|
bin128_t bootid;
|
|
unsigned sys_pagesize, sys_allocation_granularity;
|
|
uint8_t sys_pagesize_ln2;
|
|
uint8_t runtime_flags;
|
|
uint8_t loglevel;
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
bool running_under_Wine;
|
|
#elif defined(__linux__) || defined(__gnu_linux__)
|
|
bool running_on_WSL1 /* Windows Subsystem 1 for Linux */;
|
|
uint32_t linux_kernel_version;
|
|
#endif /* Linux */
|
|
union logger_union logger;
|
|
osal_fastmutex_t debug_lock;
|
|
size_t logger_buffer_size;
|
|
char *logger_buffer;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
extern struct libmdbx_globals globals;
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
extern struct libmdbx_imports imports;
|
|
#endif /* Windows */
|
|
|
|
#include "logging_and_debug.h"
|
|
|
|
#include "utils.h"
|
|
|
|
#include "pnl.h"
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#define mdbx_sourcery_anchor XCONCAT(mdbx_sourcery_, MDBX_BUILD_SOURCERY)
|
|
#if defined(xMDBX_TOOLS)
|
|
extern LIBMDBX_API const char *const mdbx_sourcery_anchor;
|
|
#endif
|
|
|
|
#define MDBX_IS_ERROR(rc) \
|
|
((rc) != MDBX_RESULT_TRUE && (rc) != MDBX_RESULT_FALSE)
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
|
|
int64pgno(int64_t i64) {
|
|
if (likely(i64 >= (int64_t)MIN_PAGENO && i64 <= (int64_t)MAX_PAGENO + 1))
|
|
return (pgno_t)i64;
|
|
return (i64 < (int64_t)MIN_PAGENO) ? MIN_PAGENO : MAX_PAGENO;
|
|
}
|
|
|
|
MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
|
|
pgno_add(size_t base, size_t augend) {
|
|
assert(base <= MAX_PAGENO + 1 && augend < MAX_PAGENO);
|
|
return int64pgno((int64_t)base + (int64_t)augend);
|
|
}
|
|
|
|
MDBX_MAYBE_UNUSED MDBX_NOTHROW_CONST_FUNCTION static inline pgno_t
|
|
pgno_sub(size_t base, size_t subtrahend) {
|
|
assert(base >= MIN_PAGENO && base <= MAX_PAGENO + 1 &&
|
|
subtrahend < MAX_PAGENO);
|
|
return int64pgno((int64_t)base - (int64_t)subtrahend);
|
|
}
|