diff options
Diffstat (limited to 'storage/innobase/include/sync0arr.h')
| -rw-r--r-- | storage/innobase/include/sync0arr.h | 63 |
1 files changed, 28 insertions, 35 deletions
diff --git a/storage/innobase/include/sync0arr.h b/storage/innobase/include/sync0arr.h index 6e931346238..56f9ff78c49 100644 --- a/storage/innobase/include/sync0arr.h +++ b/storage/innobase/include/sync0arr.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2009, Oracle and/or its affiliates. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA +this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA *****************************************************************************/ @@ -36,32 +36,6 @@ typedef struct sync_cell_struct sync_cell_t; /** Synchronization wait array */ typedef struct sync_array_struct sync_array_t; -/** Parameters for sync_array_create() @{ */ -#define SYNC_ARRAY_OS_MUTEX 1 /*!< protected by os_mutex_t */ -#define SYNC_ARRAY_MUTEX 2 /*!< protected by mutex_t */ -/* @} */ - -/*******************************************************************//** -Creates a synchronization wait array. It is protected by a mutex -which is automatically reserved when the functions operating on it -are called. -@return own: created wait array */ -UNIV_INTERN -sync_array_t* -sync_array_create( -/*==============*/ - ulint n_cells, /*!< in: number of cells in the array - to create */ - ulint protection); /*!< in: either SYNC_ARRAY_OS_MUTEX or - SYNC_ARRAY_MUTEX: determines the type - of mutex protecting the data structure */ -/******************************************************************//** -Frees the resources in a wait array. */ -UNIV_INTERN -void -sync_array_free( -/*============*/ - sync_array_t* arr); /*!< in, own: sync wait array */ /******************************************************************//** Reserves a wait array cell for waiting for an object. The event of the cell is reset to nonsignalled state. */ @@ -99,9 +73,9 @@ sync_array_free_cell( Note that one of the wait objects was signalled. */ UNIV_INTERN void -sync_array_object_signalled( -/*========================*/ - sync_array_t* arr); /*!< in: wait array */ +sync_array_object_signalled(void); +/*=============================*/ + /**********************************************************************//** If the wakeup algorithm does not work perfectly at semaphore relases, this function will do the waking (see the comment in mutex_exit). This @@ -132,11 +106,30 @@ sync_array_validate( Prints info of the wait array. */ UNIV_INTERN void -sync_array_print_info( +sync_array_print( +/*=============*/ + FILE* file); /*!< in: file where to print */ + +/**********************************************************************//** +Create the primary system wait array(s), they are protected by an OS mutex */ +UNIV_INTERN +void +sync_array_init( +/*============*/ + ulint n_threads); /*!< in: Number of slots to create */ +/**********************************************************************//** +Close sync array wait sub-system. */ +UNIV_INTERN +void +sync_array_close(void); /*==================*/ - FILE* file, /*!< in: file where to print */ - sync_array_t* arr); /*!< in: wait array */ +/**********************************************************************//** +Get an instance of the sync wait array. */ +UNIV_INTERN +sync_array_t* +sync_array_get(void); +/*================*/ #ifndef UNIV_NONINL #include "sync0arr.ic" |