database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Import branches/innodb+ from SVN on top of storage/innobase.

Browse Source
This commit is contained in:
Vasil Dimov
2010-04-12 18:20:41 +03:00
parent fe0828b3b8 410e23a6af
commit c877ff39bc
165 changed files with 13081 additions and 3002 deletions
Download Patch File Download Diff File Expand all files Collapse all files

130
storage/innobase/include/srv0srv.h
View File

@ -1,7 +1,8 @@
/*****************************************************************************
Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved.
Copyright (c) 2008, 2009, Google Inc.
Copyright (c) 2009, Percona Inc.
Portions of this file contain modifications contributed and copyrighted by
Google, Inc. Those modifications are gratefully acknowledged and are described
@ -9,6 +10,13 @@ briefly in the InnoDB documentation. The contributions by Google are
incorporated with their permission, and subject to the conditions contained in
the file COPYING.Google.
Portions of this file contain modifications contributed and copyrighted
by Percona Inc.. Those modifications are
gratefully acknowledged and are described briefly in the InnoDB
documentation. The contributions by Percona Inc. are incorporated with
their permission, and subject to the conditions contained in the file
COPYING.Percona.
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
Foundation; version 2 of the License.
@ -22,32 +30,6 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
/***********************************************************************
Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
Copyright (c) 2009, Percona Inc.
Portions of this file contain modifications contributed and copyrighted
by Percona Inc.. Those modifications are
gratefully acknowledged and are described briefly in the InnoDB
documentation. The contributions by Percona Inc. are incorporated with
their permission, and subject to the conditions contained in the file
COPYING.Percona.
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 Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but
WITHOUT 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
***********************************************************************/
/**************************************************//**
@file include/srv0srv.h
@ -125,6 +107,11 @@ on duplicate key checking and foreign key checking */
extern ibool srv_locks_unsafe_for_binlog;
#endif /* !UNIV_HOTBACKUP */
/* If this flag is TRUE, then we will use the native aio of the
OS (provided we compiled Innobase with it in), otherwise we will
use simulated aio we build below with threads.
Currently we support native aio on windows and linux */
extern my_bool srv_use_native_aio;
extern ulint srv_n_data_files;
extern char** srv_data_file_names;
extern ulint* srv_data_file_sizes;
@ -224,7 +211,8 @@ extern ibool srv_print_innodb_tablespace_monitor;
extern ibool srv_print_verbose_log;
extern ibool srv_print_innodb_table_monitor;
extern ibool srv_lock_timeout_and_monitor_active;
extern ibool srv_lock_timeout_active;
extern ibool srv_monitor_active;
extern ibool srv_error_monitor_active;
extern ulong srv_n_spin_wait_rounds;
@ -283,6 +271,12 @@ extern ulint srv_os_log_pending_writes;
log buffer and have to flush it */
extern ulint srv_log_waits;
/* the number of purge threads to use from the worker pool (currently 0 or 1) */
extern ulint srv_n_purge_threads;
/* the number of records to purge in one batch */
extern ulint srv_purge_batch_size;
/* variable that counts amount of data read in total (in bytes) */
extern ulint srv_data_read;
@ -324,6 +318,37 @@ typedef struct srv_sys_struct srv_sys_t;
/** The server system */
extern srv_sys_t* srv_sys;
# ifdef UNIV_PFS_THREAD
/* Keys to register InnoDB threads with performance schema */
extern mysql_pfs_key_t trx_rollback_clean_thread_key;
extern mysql_pfs_key_t io_handler_thread_key;
extern mysql_pfs_key_t srv_lock_timeout_thread_key;
extern mysql_pfs_key_t srv_error_monitor_thread_key;
extern mysql_pfs_key_t srv_monitor_thread_key;
extern mysql_pfs_key_t srv_master_thread_key;
/* This macro register the current thread and its key with performance
schema */
# define pfs_register_thread(key) \
do { \
if (PSI_server) { \
struct PSI_thread* psi = PSI_server->new_thread(key, NULL, 0);\
if (psi) { \
PSI_server->set_thread(psi); \
} \
} \
} while (0)
/* This macro delist the current thread from performance schema */
# define pfs_delete_thread() \
do { \
if (PSI_server) { \
PSI_server->delete_current_thread(); \
} \
} while (0)
# endif /* UNIV_PFS_THREAD */
#endif /* !UNIV_HOTBACKUP */
/** Types of raw partitions in innodb_data_file_path */
@ -464,6 +489,12 @@ srv_master_thread(
void* arg); /*!< in: a dummy parameter required by
os_thread_create */
/*******************************************************************//**
Wakes up the purge thread if it's not already awake. */
UNIV_INTERN
void
srv_wake_purge_thread(void);
/*=======================*/
/*******************************************************************//**
Tells the Innobase server that there has been activity in the database
and wakes up the master thread if it is suspended (not sleeping). Used
in the MySQL interface. Note that there is a small chance that the master
@ -479,6 +510,16 @@ UNIV_INTERN
void
srv_wake_master_thread(void);
/*========================*/
/*******************************************************************//**
Tells the purge thread that there has been activity in the database
and wakes up the purge thread if it is suspended (not sleeping). Note
that there is a small chance that the purge thread stays suspended
(we do not protect our operation with the kernel mutex, for
performace reasons). */
UNIV_INTERN
void
srv_wake_purge_thread_if_not_active(void);
/*=====================================*/
/*********************************************************************//**
Puts an OS thread to wait if there are too many concurrent threads
(>= srv_thread_concurrency) inside InnoDB. The threads wait in a FIFO queue. */
@ -537,15 +578,23 @@ srv_release_mysql_thread_if_suspended(
MySQL OS thread */
/*********************************************************************//**
A thread which wakes up threads whose lock wait may have lasted too long.
This also prints the info output by various InnoDB monitors.
@return a dummy parameter */
UNIV_INTERN
os_thread_ret_t
srv_lock_timeout_and_monitor_thread(
/*================================*/
srv_lock_timeout_thread(
/*====================*/
void* arg); /*!< in: a dummy parameter required by
os_thread_create */
/*********************************************************************//**
A thread which prints the info output by various InnoDB monitors.
@return a dummy parameter */
UNIV_INTERN
os_thread_ret_t
srv_monitor_thread(
/*===============*/
void* arg); /*!< in: a dummy parameter required by
os_thread_create */
/*************************************************************************
A thread which prints warnings about semaphore waits which have lasted
too long. These can be used to track bugs which cause hangs.
@return a dummy parameter */
@ -556,12 +605,15 @@ srv_error_monitor_thread(
void* arg); /*!< in: a dummy parameter required by
os_thread_create */
/******************************************************************//**
Outputs to a file the output of the InnoDB Monitor. */
Outputs to a file the output of the InnoDB Monitor.
@return FALSE if not all information printed
due to failure to obtain necessary mutex */
UNIV_INTERN
void
ibool
srv_printf_innodb_monitor(
/*======================*/
FILE* file, /*!< in: output stream */
ibool nowait, /*!< in: whether to wait for kernel mutex */
ulint* trx_start, /*!< out: file position of the start of
the list of active transactions */
ulint* trx_end); /*!< out: file position of the end of
@ -574,6 +626,15 @@ void
srv_export_innodb_status(void);
/*==========================*/
/*********************************************************************//**
Asynchronous purge thread.
@return a dummy parameter */
UNIV_INTERN
os_thread_ret_t
srv_purge_thread(
/*=============*/
void* arg __attribute__((unused))); /*!< in: a dummy parameter
required by os_thread_create */
/** Thread slot in the thread table */
typedef struct srv_slot_struct srv_slot_t;
@ -643,8 +704,9 @@ struct srv_sys_struct{
extern ulint srv_n_threads_active[];
#else /* !UNIV_HOTBACKUP */
# define srv_use_checksums TRUE
# define srv_use_adaptive_hash_indexes FALSE
# define srv_use_checksums TRUE
# define srv_use_native_aio FALSE
# define srv_force_recovery 0UL
# define srv_set_io_thread_op_info(t,info) ((void) 0)
# define srv_is_being_started 0