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mdbx++: enables C++ API for amalgamated source code.

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Change-Id: Ie73f32ee6b9a565eee69fa7267798a0fd67db4b0
This commit is contained in:
Leonid Yuriev
2020-09-13 18:06:14 +03:00
parent cd4caeb03d
commit 6c70a7fe11
5 changed files with 70 additions and 61 deletions
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95
src/osal.h
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@@ -409,6 +409,55 @@ typedef pthread_mutex_t mdbx_fastmutex_t;
#endif
#endif /* __BYTE_ORDER__ || __ORDER_LITTLE_ENDIAN__ || __ORDER_BIG_ENDIAN__ */
/* Get the size of a memory page for the system.
* This is the basic size that the platform's memory manager uses, and is
* fundamental to the use of memory-mapped files. */
__nothrow_const_function static __maybe_unused __inline size_t
mdbx_syspagesize(void) {
#if defined(_WIN32) || defined(_WIN64)
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwPageSize;
#else
return sysconf(_SC_PAGE_SIZE);
#endif
}
typedef struct mdbx_mmap_param {
union {
void *address;
uint8_t *dxb;
struct MDBX_lockinfo *lck;
};
mdbx_filehandle_t fd;
size_t limit; /* mapping length, but NOT a size of file nor DB */
size_t current; /* mapped region size, i.e. the size of file and DB */
#if defined(_WIN32) || defined(_WIN64)
uint64_t filesize /* in-process cache of a file size. */;
#endif
#ifdef MDBX_OSAL_SECTION
MDBX_OSAL_SECTION section;
#endif
} mdbx_mmap_t;
typedef union bin128 {
__anonymous_struct_extension__ struct { uint64_t x, y; };
__anonymous_struct_extension__ struct { uint32_t a, b, c, d; };
} bin128_t;
#if defined(_WIN32) || defined(_WIN64)
typedef union MDBX_srwlock {
struct {
long volatile readerCount;
long volatile writerCount;
};
RTL_SRWLOCK native;
} MDBX_srwlock;
#endif /* Windows */
#ifdef __cplusplus
extern void mdbx_osal_jitter(bool tiny);
#else
/*----------------------------------------------------------------------------*/
/* Memory/Compiler barriers, cache coherence */
@@ -508,20 +557,6 @@ MDBX_INTERNAL_VAR bool
mdbx_RunningOnWSL /* Windows Subsystem for Linux is mad and trouble-full */;
#endif /* Linux */
/* Get the size of a memory page for the system.
* This is the basic size that the platform's memory manager uses, and is
* fundamental to the use of memory-mapped files. */
__nothrow_const_function static __maybe_unused __inline size_t
mdbx_syspagesize(void) {
#if defined(_WIN32) || defined(_WIN64)
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwPageSize;
#else
return sysconf(_SC_PAGE_SIZE);
#endif
}
#ifndef mdbx_strdup
LIBMDBX_API char *mdbx_strdup(const char *str);
#endif
@@ -601,23 +636,6 @@ MDBX_INTERNAL_FUNC int mdbx_closefile(mdbx_filehandle_t fd);
MDBX_INTERNAL_FUNC int mdbx_removefile(const char *pathname);
MDBX_INTERNAL_FUNC int mdbx_is_pipe(mdbx_filehandle_t fd);
typedef struct mdbx_mmap_param {
union {
void *address;
uint8_t *dxb;
struct MDBX_lockinfo *lck;
};
mdbx_filehandle_t fd;
size_t limit; /* mapping length, but NOT a size of file nor DB */
size_t current; /* mapped region size, i.e. the size of file and DB */
#if defined(_WIN32) || defined(_WIN64)
uint64_t filesize /* in-process cache of a file size. */;
#endif
#ifdef MDBX_OSAL_SECTION
MDBX_OSAL_SECTION section;
#endif
} mdbx_mmap_t;
#define MMAP_OPTION_TRUNCATE 1
#define MMAP_OPTION_SEMAPHORE 2
MDBX_INTERNAL_FUNC int mdbx_mmap(const int flags, mdbx_mmap_t *map,
@@ -668,11 +686,6 @@ MDBX_INTERNAL_FUNC uint64_t
mdbx_osal_16dot16_to_monotime(uint32_t seconds_16dot16);
MDBX_INTERNAL_FUNC uint32_t mdbx_osal_monotime_to_16dot16(uint64_t monotime);
typedef union bin128 {
__anonymous_struct_extension__ struct { uint64_t x, y; };
__anonymous_struct_extension__ struct { uint32_t a, b, c, d; };
} bin128_t;
MDBX_INTERNAL_FUNC bin128_t mdbx_osal_bootid(void);
/*----------------------------------------------------------------------------*/
/* lck stuff */
@@ -782,14 +795,6 @@ MDBX_INTERNAL_FUNC int mdbx_rpid_check(MDBX_env *env, uint32_t pid);
#if defined(_WIN32) || defined(_WIN64)
typedef union MDBX_srwlock {
struct {
long volatile readerCount;
long volatile writerCount;
};
RTL_SRWLOCK native;
} MDBX_srwlock;
typedef void(WINAPI *MDBX_srwlock_function)(MDBX_srwlock *);
MDBX_INTERNAL_VAR MDBX_srwlock_function mdbx_srwlock_Init,
mdbx_srwlock_AcquireShared, mdbx_srwlock_ReleaseShared,
@@ -909,6 +914,8 @@ static __inline bool mdbx_RunningUnderWine(void) {
#error FIXME atomic-ops
#endif
#endif /* !__cplusplus */
/*----------------------------------------------------------------------------*/
#if defined(_MSC_VER) && _MSC_VER >= 1900