C++ (Cpp) rw_lock_free Beispiele

Beispiel #1

Datei: trx0purge.c Projekt: Abner-Sun/mysql5.1-vx-pre1

/************************************************************************
Frees the global purge system control structure. */
UNIV_INTERN
void
trx_purge_sys_close(void)
/*======================*/
{
	ut_ad(!mutex_own(&kernel_mutex));

	que_graph_free(purge_sys->query);

	ut_a(purge_sys->sess->trx->is_purge);
	purge_sys->sess->trx->conc_state = TRX_NOT_STARTED;
	sess_close(purge_sys->sess);
	purge_sys->sess = NULL;

	if (purge_sys->view != NULL) {
		/* Because acquiring the kernel mutex is a pre-condition
		of read_view_close(). We don't really need it here. */
		mutex_enter(&kernel_mutex);

		read_view_close(purge_sys->view);
		purge_sys->view = NULL;

		mutex_exit(&kernel_mutex);
	}

	trx_undo_arr_free(purge_sys->arr);

	rw_lock_free(&purge_sys->latch);
	mutex_free(&purge_sys->mutex);

	mem_heap_free(purge_sys->heap);
	mem_free(purge_sys);

	purge_sys = NULL;
}

Beispiel #2

Datei: btr0sea.c Projekt: Ihon/mysql-5.5-debian

/*****************************************************************//**
Frees the adaptive search system at a database shutdown. */
UNIV_INTERN
void
btr_search_sys_free(void)
/*=====================*/
{
	rw_lock_free(&btr_search_latch);
	mem_free(btr_search_latch_temp);
	btr_search_latch_temp = NULL;
	mem_heap_free(btr_search_sys->hash_index->heap);
	hash_table_free(btr_search_sys->hash_index);
	mem_free(btr_search_sys);
	btr_search_sys = NULL;
}