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mdbx: add mdbx_fastmutex_t.
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parent
8c18622592
commit
132c9c994e
38
src/osal.c
38
src/osal.c
@ -267,6 +267,44 @@ int mdbx_condmutex_wait(mdbx_condmutex_t *condmutex) {
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/*----------------------------------------------------------------------------*/
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int mdbx_fastmutex_init(mdbx_fastmutex_t *fastmutex) {
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#if defined(_WIN32) || defined(_WIN64)
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InitializeCriticalSection(fastmutex);
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return MDB_SUCCESS;
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#else
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return pthread_mutex_init(fastmutex, NULL);
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#endif
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}
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int mdbx_fastmutex_destroy(mdbx_fastmutex_t *fastmutex) {
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#if defined(_WIN32) || defined(_WIN64)
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DeleteCriticalSection(fastmutex);
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return MDB_SUCCESS;
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#else
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return pthread_mutex_destroy(fastmutex);
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#endif
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}
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int mdbx_fastmutex_acquire(mdbx_fastmutex_t *fastmutex) {
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#if defined(_WIN32) || defined(_WIN64)
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EnterCriticalSection(fastmutex);
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return MDB_SUCCESS;
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#else
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return pthread_mutex_lock(fastmutex);
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#endif
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}
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int mdbx_fastmutex_release(mdbx_fastmutex_t *fastmutex) {
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#if defined(_WIN32) || defined(_WIN64)
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LeaveCriticalSection(fastmutex);
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return MDB_SUCCESS;
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#else
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return pthread_mutex_unlock(fastmutex);
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#endif
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}
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/*----------------------------------------------------------------------------*/
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int mdbx_openfile(const char *pathname, int flags, mode_t mode,
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mdbx_filehandle_t *fd) {
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*fd = INVALID_HANDLE_VALUE;
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@ -68,6 +68,7 @@ typedef struct {
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HANDLE mutex;
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HANDLE event;
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} mdbx_condmutex_t;
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typedef CRITICAL_SECTION mdbx_fastmutex_t;
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#else
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#include <pthread.h>
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#include <sys/file.h>
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@ -85,6 +86,7 @@ typedef struct {
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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} mdbx_condmutex_t;
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typedef pthread_mutex_t mdbx_fastmutex_t;
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#endif /* Platform */
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#ifndef SSIZE_MAX
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@ -395,6 +397,11 @@ int mdbx_condmutex_signal(mdbx_condmutex_t *condmutex);
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int mdbx_condmutex_wait(mdbx_condmutex_t *condmutex);
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int mdbx_condmutex_destroy(mdbx_condmutex_t *condmutex);
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int mdbx_fastmutex_init(mdbx_fastmutex_t *fastmutex);
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int mdbx_fastmutex_acquire(mdbx_fastmutex_t *fastmutex);
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int mdbx_fastmutex_release(mdbx_fastmutex_t *fastmutex);
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int mdbx_fastmutex_destroy(mdbx_fastmutex_t *fastmutex);
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int mdbx_pwritev(mdbx_filehandle_t fd, struct iovec *iov, int iovcnt,
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off_t offset, size_t expected_written);
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int mdbx_pread(mdbx_filehandle_t fd, void *buf, size_t count, off_t offset);
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