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mdbx: dynamic mapsize/geometry and API (mostly done).

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Change-Id: Ifb768ff3207cae1755c53c211a3ae552c6455e12
This commit is contained in:
Leo Yuriev
2017-06-21 01:34:56 +03:00
parent 45defdc170
commit 9a2fff91f3
9 changed files with 1133 additions and 502 deletions
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21
src/osal.h
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@@ -69,7 +69,7 @@
#define HAVE_SYS_TYPES_H
typedef HANDLE mdbx_thread_t;
typedef unsigned mdbx_thread_key_t;
typedef SSIZE_T ssize_t;
#define MDBX_OSAL_SECTION HANDLE
#define MAP_FAILED NULL
#define HIGH_DWORD(v) ((DWORD)((sizeof(v) > 4) ? ((uint64_t)(v) >> 32) : 0))
#define THREAD_CALL WINAPI
@@ -430,16 +430,27 @@ void *mdbx_thread_rthc_get(mdbx_thread_key_t key);
void mdbx_thread_rthc_set(mdbx_thread_key_t key, const void *value);
int mdbx_filesync(mdbx_filehandle_t fd, bool fullsync);
int mdbx_filesize_sync(mdbx_filehandle_t fd);
int mdbx_ftruncate(mdbx_filehandle_t fd, uint64_t length);
int mdbx_filesize(mdbx_filehandle_t fd, uint64_t *length);
int mdbx_openfile(const char *pathname, int flags, mode_t mode,
mdbx_filehandle_t *fd);
int mdbx_closefile(mdbx_filehandle_t fd);
int mdbx_mremap_size(void **address, size_t old_size, size_t new_size);
int mdbx_mmap(void **address, size_t length, int rw, mdbx_filehandle_t fd);
int mdbx_munmap(void *address, size_t length);
int mdbx_mlock(const void *address, size_t length);
typedef struct mdbx_mmap_param {
void *address;
#ifdef MDBX_OSAL_SECTION
MDBX_OSAL_SECTION section;
#endif
mdbx_filehandle_t fd;
} mdbx_mmap_param_t;
int mdbx_mmap(int flags, mdbx_mmap_param_t *map, size_t length, size_t limit);
int mdbx_munmap(mdbx_mmap_param_t *map, size_t length);
int mdbx_mlock(mdbx_mmap_param_t *map, size_t length);
int mdbx_mresize(int flags, mdbx_mmap_param_t *map, size_t current,
size_t wanna);
int mdbx_mremap(int flags, mdbx_mmap_param_t *map, size_t old_limit,
size_t new_limit);
static __inline mdbx_pid_t mdbx_getpid(void) {
#if defined(_WIN32) || defined(_WIN64)