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authorSergei Golubchik <sergii@pisem.net>2011-07-02 22:08:51 +0200
committerSergei Golubchik <sergii@pisem.net>2011-07-02 22:08:51 +0200
commit9809f05199aeb0b67991fac41bd86f38730768dc (patch)
treefa2792ff86d0da014b535d743759810612338042 /include/mysql
parent0accbd0364e0333e0b119aa9ce93e34ded9df6cb (diff)
parent5a0e7394a5ae0c7b6a1ea35b7ea3a8985325987a (diff)
downloadmariadb-git-9809f05199aeb0b67991fac41bd86f38730768dc.tar.gz
5.5-merge
Diffstat (limited to 'include/mysql')
-rw-r--r--include/mysql/client_plugin.h30
-rw-r--r--include/mysql/client_plugin.h.pp8
-rw-r--r--include/mysql/innodb_priv.h1
-rw-r--r--include/mysql/plugin_audit.h59
-rw-r--r--include/mysql/plugin_audit.h.pp44
-rw-r--r--include/mysql/plugin_auth.h47
-rw-r--r--include/mysql/plugin_auth.h.pp53
-rw-r--r--include/mysql/plugin_auth_common.h1
-rw-r--r--include/mysql/plugin_ftparser.h.pp17
-rw-r--r--include/mysql/psi/mysql_file.h2
-rw-r--r--include/mysql/psi/mysql_thread.h88
-rw-r--r--include/mysql/service_thd_wait.h30
-rw-r--r--include/mysql/thread_pool_priv.h121
13 files changed, 333 insertions, 168 deletions
diff --git a/include/mysql/client_plugin.h b/include/mysql/client_plugin.h
index 9c7b1aee9f9..6af0d226ea2 100644
--- a/include/mysql/client_plugin.h
+++ b/include/mysql/client_plugin.h
@@ -38,7 +38,7 @@
#define MYSQL_CLIENT_MAX_PLUGINS 3
#define mysql_declare_client_plugin(X) \
- struct st_mysql_client_plugin_ ## X \
+ MYSQL_PLUGIN_EXPORT struct st_mysql_client_plugin_ ## X \
_mysql_client_plugin_declaration_ = { \
MYSQL_CLIENT_ ## X ## _PLUGIN, \
MYSQL_CLIENT_ ## X ## _PLUGIN_INTERFACE_VERSION,
@@ -52,8 +52,11 @@
const char *author; \
const char *desc; \
unsigned int version[3]; \
+ const char *license; \
+ void *mysql_api; \
int (*init)(char *, size_t, int, va_list); \
- int (*deinit)();
+ int (*deinit)(); \
+ int (*options)(const char *option, const void *);
struct st_mysql_client_plugin
{
@@ -94,8 +97,7 @@ typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
/**
loads a plugin and initializes it
- @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
- and last_errno/last_error, for error reporting
+ @param mysql MYSQL structure.
@param name a name of the plugin to load
@param type type of plugin that should be loaded, -1 to disable type check
@param argc number of arguments to pass to the plugin initialization
@@ -115,8 +117,7 @@ mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
This is the same as mysql_load_plugin, but take va_list instead of
a list of arguments.
- @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
- and last_errno/last_error, for error reporting
+ @param mysql MYSQL structure.
@param name a name of the plugin to load
@param type type of plugin that should be loaded, -1 to disable type check
@param argc number of arguments to pass to the plugin initialization
@@ -133,8 +134,7 @@ mysql_load_plugin_v(struct st_mysql *mysql, const char *name, int type,
/**
finds an already loaded plugin by name, or loads it, if necessary
- @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
- and last_errno/last_error, for error reporting
+ @param mysql MYSQL structure.
@param name a name of the plugin to load
@param type type of plugin that should be loaded
@@ -162,5 +162,19 @@ struct st_mysql_client_plugin *
mysql_client_register_plugin(struct st_mysql *mysql,
struct st_mysql_client_plugin *plugin);
+/**
+ set plugin options
+
+ Can be used to set extra options and affect behavior for a plugin.
+ This function may be called multiple times to set several options
+
+ @param plugin an st_mysql_client_plugin structure
+ @param option a string which specifies the option to set
+ @param value value for the option.
+
+ @retval 0 on success, 1 in case of failure
+**/
+int mysql_plugin_options(struct st_mysql_client_plugin *plugin,
+ const char *option, const void *value);
#endif
diff --git a/include/mysql/client_plugin.h.pp b/include/mysql/client_plugin.h.pp
index ca477d83bb2..93eaff7501e 100644
--- a/include/mysql/client_plugin.h.pp
+++ b/include/mysql/client_plugin.h.pp
@@ -1,6 +1,6 @@
struct st_mysql_client_plugin
{
- int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; int (*init)(char *, size_t, int, va_list); int (*deinit)();
+ int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; const char *license; void *mysql_api; int (*init)(char *, size_t, int, va_list); int (*deinit)(); int (*options)(const char *option, const void *);
};
struct st_mysql;
#include <mysql/plugin_auth_common.h>
@@ -21,11 +21,9 @@ typedef struct st_plugin_vio
} MYSQL_PLUGIN_VIO;
struct st_mysql_client_plugin_AUTHENTICATION
{
- int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; int (*init)(char *, size_t, int, va_list); int (*deinit)();
+ int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; const char *license; void *mysql_api; int (*init)(char *, size_t, int, va_list); int (*deinit)(); int (*options)(const char *option, const void *);
int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
};
-typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
- int type, const char *prompt, char *buf, int buf_len);
struct st_mysql_client_plugin *
mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
int argc, ...);
@@ -37,3 +35,5 @@ mysql_client_find_plugin(struct st_mysql *mysql, const char *name, int type);
struct st_mysql_client_plugin *
mysql_client_register_plugin(struct st_mysql *mysql,
struct st_mysql_client_plugin *plugin);
+int mysql_plugin_options(struct st_mysql_client_plugin *plugin,
+ const char *option, const void *value);
diff --git a/include/mysql/innodb_priv.h b/include/mysql/innodb_priv.h
index 993dad7cf99..5406c292b18 100644
--- a/include/mysql/innodb_priv.h
+++ b/include/mysql/innodb_priv.h
@@ -22,7 +22,6 @@
class THD;
-uint filename_to_tablename(const char *from, char *to, uint to_length);
int get_quote_char_for_identifier(THD *thd, const char *name, uint length);
bool schema_table_store_record(THD *thd, TABLE *table);
void localtime_to_TIME(MYSQL_TIME *to, struct tm *from);
diff --git a/include/mysql/plugin_audit.h b/include/mysql/plugin_audit.h
index 41505da64af..5072ad2b44c 100644
--- a/include/mysql/plugin_audit.h
+++ b/include/mysql/plugin_audit.h
@@ -24,16 +24,7 @@
#define MYSQL_AUDIT_CLASS_MASK_SIZE 1
-#define MYSQL_AUDIT_INTERFACE_VERSION 0x0200
-
-/*
- The first word in every event class struct indicates the specific
- class of the event.
-*/
-struct mysql_event
-{
- unsigned int event_class;
-};
+#define MYSQL_AUDIT_INTERFACE_VERSION 0x0300
/*************************************************************************
@@ -42,6 +33,8 @@ struct mysql_event
LOG events occurs before emitting to the general query log.
ERROR events occur before transmitting errors to the user.
RESULT events occur after transmitting a resultset to the user.
+ STATUS events occur after transmitting a resultset or errors
+ to the user.
*/
#define MYSQL_AUDIT_GENERAL_CLASS 0
@@ -49,10 +42,10 @@ struct mysql_event
#define MYSQL_AUDIT_GENERAL_LOG 0
#define MYSQL_AUDIT_GENERAL_ERROR 1
#define MYSQL_AUDIT_GENERAL_RESULT 2
+#define MYSQL_AUDIT_GENERAL_STATUS 3
struct mysql_event_general
{
- unsigned int event_class;
unsigned int event_subclass;
int general_error_code;
unsigned long general_thread_id;
@@ -68,6 +61,42 @@ struct mysql_event_general
};
+/*
+ AUDIT CLASS : CONNECTION
+
+ CONNECT occurs after authentication phase is completed.
+ DISCONNECT occurs after connection is terminated.
+ CHANGE_USER occurs after COM_CHANGE_USER RPC is completed.
+*/
+
+#define MYSQL_AUDIT_CONNECTION_CLASS 1
+#define MYSQL_AUDIT_CONNECTION_CLASSMASK (1 << MYSQL_AUDIT_CONNECTION_CLASS)
+#define MYSQL_AUDIT_CONNECTION_CONNECT 0
+#define MYSQL_AUDIT_CONNECTION_DISCONNECT 1
+#define MYSQL_AUDIT_CONNECTION_CHANGE_USER 2
+
+struct mysql_event_connection
+{
+ unsigned int event_subclass;
+ int status;
+ unsigned long thread_id;
+ const char *user;
+ unsigned int user_length;
+ const char *priv_user;
+ unsigned int priv_user_length;
+ const char *external_user;
+ unsigned int external_user_length;
+ const char *proxy_user;
+ unsigned int proxy_user_length;
+ const char *host;
+ unsigned int host_length;
+ const char *ip;
+ unsigned int ip_length;
+ const char *database;
+ unsigned int database_length;
+};
+
+
/*************************************************************************
Here we define the descriptor structure, that is referred from
st_mysql_plugin.
@@ -78,9 +107,9 @@ struct mysql_event_general
waiting for the next query from the client.
event_notify() is invoked whenever an event occurs which is of any
- class for which the plugin has interest. The first word of the
- mysql_event argument indicates the specific event class and the
- remainder of the structure is as required for that class.
+ class for which the plugin has interest. The second argument
+ indicates the specific event class and the third argument is data
+ as required for that class.
class_mask is an array of bits used to indicate what event classes
that this plugin wants to receive.
@@ -90,7 +119,7 @@ struct st_mysql_audit
{
int interface_version;
void (*release_thd)(MYSQL_THD);
- void (*event_notify)(MYSQL_THD, const struct mysql_event *);
+ void (*event_notify)(MYSQL_THD, unsigned int, const void *);
unsigned long class_mask[MYSQL_AUDIT_CLASS_MASK_SIZE];
};
diff --git a/include/mysql/plugin_audit.h.pp b/include/mysql/plugin_audit.h.pp
index ad8ca389d34..42d44b9dae0 100644
--- a/include/mysql/plugin_audit.h.pp
+++ b/include/mysql/plugin_audit.h.pp
@@ -33,16 +33,23 @@ MYSQL_LEX_STRING *thd_make_lex_string(void* thd, MYSQL_LEX_STRING *lex_str,
int allocate_lex_string);
#include <mysql/service_thd_wait.h>
typedef enum _thd_wait_type_e {
- THD_WAIT_MUTEX= 1,
+ THD_WAIT_SLEEP= 1,
THD_WAIT_DISKIO= 2,
- THD_WAIT_ROW_TABLE_LOCK= 3,
- THD_WAIT_GLOBAL_LOCK= 4
+ THD_WAIT_ROW_LOCK= 3,
+ THD_WAIT_GLOBAL_LOCK= 4,
+ THD_WAIT_META_DATA_LOCK= 5,
+ THD_WAIT_TABLE_LOCK= 6,
+ THD_WAIT_USER_LOCK= 7,
+ THD_WAIT_BINLOG= 8,
+ THD_WAIT_GROUP_COMMIT= 9,
+ THD_WAIT_SYNC= 10,
+ THD_WAIT_LAST= 11
} thd_wait_type;
extern struct thd_wait_service_st {
- void (*thd_wait_begin_func)(void*, thd_wait_type);
+ void (*thd_wait_begin_func)(void*, int);
void (*thd_wait_end_func)(void*);
} *thd_wait_service;
-void thd_wait_begin(void* thd, thd_wait_type wait_type);
+void thd_wait_begin(void* thd, int wait_type);
void thd_wait_end(void* thd);
#include <mysql/service_thread_scheduler.h>
struct scheduler_functions;
@@ -205,13 +212,8 @@ void mysql_query_cache_invalidate4(void* thd,
void *thd_get_ha_data(const void* thd, const struct handlerton *hton);
void thd_set_ha_data(void* thd, const struct handlerton *hton,
const void *ha_data);
-struct mysql_event
-{
- unsigned int event_class;
-};
struct mysql_event_general
{
- unsigned int event_class;
unsigned int event_subclass;
int general_error_code;
unsigned long general_thread_id;
@@ -225,10 +227,30 @@ struct mysql_event_general
unsigned long long general_time;
unsigned long long general_rows;
};
+struct mysql_event_connection
+{
+ unsigned int event_subclass;
+ int status;
+ unsigned long thread_id;
+ const char *user;
+ unsigned int user_length;
+ const char *priv_user;
+ unsigned int priv_user_length;
+ const char *external_user;
+ unsigned int external_user_length;
+ const char *proxy_user;
+ unsigned int proxy_user_length;
+ const char *host;
+ unsigned int host_length;
+ const char *ip;
+ unsigned int ip_length;
+ const char *database;
+ unsigned int database_length;
+};
struct st_mysql_audit
{
int interface_version;
void (*release_thd)(void*);
- void (*event_notify)(void*, const struct mysql_event *);
+ void (*event_notify)(void*, unsigned int, const void *);
unsigned long class_mask[1];
};
diff --git a/include/mysql/plugin_auth.h b/include/mysql/plugin_auth.h
index 2b84a6c73af..fcfd1bc6f0b 100644
--- a/include/mysql/plugin_auth.h
+++ b/include/mysql/plugin_auth.h
@@ -1,5 +1,6 @@
#ifndef MYSQL_PLUGIN_AUTH_INCLUDED
/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+ Copyright (C) 2010 Sun Microsystems, Inc.
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
@@ -30,6 +31,13 @@
#include <mysql/plugin_auth_common.h>
+/* defines for MYSQL_SERVER_AUTH_INFO.password_used */
+
+#define PASSWORD_USED_NO 0
+#define PASSWORD_USED_YES 1
+#define PASSWORD_USED_NO_MENTION 2
+
+
/**
Provides server plugin access to authentication information
*/
@@ -39,7 +47,13 @@ typedef struct st_mysql_server_auth_info
User name as sent by the client and shown in USER().
NULL if the client packet with the user name was not received yet.
*/
- const char *user_name;
+ char *user_name;
+
+ /**
+ Length of user_name
+ */
+ unsigned int user_name_length;
+
/**
A corresponding column value from the mysql.user table for the
matching account name
@@ -47,17 +61,46 @@ typedef struct st_mysql_server_auth_info
const char *auth_string;
/**
+ Length of auth_string
+ */
+ unsigned long auth_string_length;
+
+ /**
Matching account name as found in the mysql.user table.
A plugin can override it with another name that will be
used by MySQL for authorization, and shown in CURRENT_USER()
*/
char authenticated_as[MYSQL_USERNAME_LENGTH+1];
+
+
+ /**
+ The unique user name that was used by the plugin to authenticate.
+ Not used by the server.
+ Available through the @@EXTERNAL_USER variable.
+ */
+ char external_user[512];
+
/**
This only affects the "Authentication failed. Password used: %s"
- error message. If set, %s will be YES, otherwise - NO.
+ error message. has the following values :
+ 0 : %s will be NO.
+ 1 : %s will be YES.
+ 2 : there will be no %s.
Set it as appropriate or ignore at will.
*/
int password_used;
+
+ /**
+ Set to the name of the connected client host, if it can be resolved,
+ or to its IP address otherwise.
+ */
+ const char *host_or_ip;
+
+ /**
+ Length of host_or_ip
+ */
+ unsigned int host_or_ip_length;
+
} MYSQL_SERVER_AUTH_INFO;
/**
diff --git a/include/mysql/plugin_auth.h.pp b/include/mysql/plugin_auth.h.pp
index bbd91a84f33..e65278c518e 100644
--- a/include/mysql/plugin_auth.h.pp
+++ b/include/mysql/plugin_auth.h.pp
@@ -33,16 +33,23 @@ MYSQL_LEX_STRING *thd_make_lex_string(void* thd, MYSQL_LEX_STRING *lex_str,
int allocate_lex_string);
#include <mysql/service_thd_wait.h>
typedef enum _thd_wait_type_e {
- THD_WAIT_MUTEX= 1,
+ THD_WAIT_SLEEP= 1,
THD_WAIT_DISKIO= 2,
- THD_WAIT_ROW_TABLE_LOCK= 3,
- THD_WAIT_GLOBAL_LOCK= 4
+ THD_WAIT_ROW_LOCK= 3,
+ THD_WAIT_GLOBAL_LOCK= 4,
+ THD_WAIT_META_DATA_LOCK= 5,
+ THD_WAIT_TABLE_LOCK= 6,
+ THD_WAIT_USER_LOCK= 7,
+ THD_WAIT_BINLOG= 8,
+ THD_WAIT_GROUP_COMMIT= 9,
+ THD_WAIT_SYNC= 10,
+ THD_WAIT_LAST= 11
} thd_wait_type;
extern struct thd_wait_service_st {
- void (*thd_wait_begin_func)(void*, thd_wait_type);
+ void (*thd_wait_begin_func)(void*, int);
void (*thd_wait_end_func)(void*);
} *thd_wait_service;
-void thd_wait_begin(void* thd, thd_wait_type wait_type);
+void thd_wait_begin(void* thd, int wait_type);
void thd_wait_end(void* thd);
#include <mysql/service_thread_scheduler.h>
struct scheduler_functions;
@@ -95,22 +102,6 @@ struct st_mysql_plugin
struct st_mysql_sys_var **system_vars;
void * __reserved1;
};
-struct st_maria_plugin
-{
- int type;
- void *info;
- const char *name;
- const char *author;
- const char *descr;
- int license;
- int (*init)(void *);
- int (*deinit)(void *);
- unsigned int version;
- struct st_mysql_show_var *status_vars;
- struct st_mysql_sys_var **system_vars;
- const char *version_info;
- unsigned int maturity;
-};
#include "plugin_ftparser.h"
#include "plugin.h"
enum enum_ftparser_mode
@@ -140,16 +131,16 @@ typedef struct st_mysql_ftparser_boolean_info
typedef struct st_mysql_ftparser_param
{
int (*mysql_parse)(struct st_mysql_ftparser_param *,
- const char *doc, int doc_len);
+ char *doc, int doc_len);
int (*mysql_add_word)(struct st_mysql_ftparser_param *,
- const char *word, int word_len,
+ char *word, int word_len,
MYSQL_FTPARSER_BOOLEAN_INFO *boolean_info);
void *ftparser_state;
void *mysql_ftparam;
- const struct charset_info_st *cs;
- const char *doc;
+ struct charset_info_st *cs;
+ char *doc;
int length;
- unsigned int flags;
+ int flags;
enum enum_ftparser_mode mode;
} MYSQL_FTPARSER_PARAM;
struct st_mysql_ftparser
@@ -187,14 +178,13 @@ int thd_in_lock_tables(const void* thd);
int thd_tablespace_op(const void* thd);
long long thd_test_options(const void* thd, long long test_options);
int thd_sql_command(const void* thd);
+const char *thd_proc_info(void* thd, const char *info);
void **thd_ha_data(const void* thd, const struct handlerton *hton);
void thd_storage_lock_wait(void* thd, long long value);
int thd_tx_isolation(const void* thd);
char *thd_security_context(void* thd, char *buffer, unsigned int length,
unsigned int max_query_len);
void thd_inc_row_count(void* thd);
-const char *set_thd_proc_info(void*, const char * info, const char *func,
- const char *file, const unsigned int line);
int mysql_tmpfile(const char *prefix);
int thd_killed(const void* thd);
unsigned long thd_get_thread_id(const void* thd);
@@ -223,10 +213,15 @@ typedef struct st_plugin_vio
} MYSQL_PLUGIN_VIO;
typedef struct st_mysql_server_auth_info
{
- const char *user_name;
+ char *user_name;
+ unsigned int user_name_length;
const char *auth_string;
+ unsigned long auth_string_length;
char authenticated_as[48 +1];
+ char external_user[512];
int password_used;
+ const char *host_or_ip;
+ unsigned int host_or_ip_length;
} MYSQL_SERVER_AUTH_INFO;
struct st_mysql_auth
{
diff --git a/include/mysql/plugin_auth_common.h b/include/mysql/plugin_auth_common.h
index b71591d6eb6..3c87fe7e094 100644
--- a/include/mysql/plugin_auth_common.h
+++ b/include/mysql/plugin_auth_common.h
@@ -1,5 +1,6 @@
#ifndef MYSQL_PLUGIN_AUTH_COMMON_INCLUDED
/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+ Copyright (C) 2010 Sun Microsystems, Inc.
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
diff --git a/include/mysql/plugin_ftparser.h.pp b/include/mysql/plugin_ftparser.h.pp
index 0d6a70ec19c..0067732d4fc 100644
--- a/include/mysql/plugin_ftparser.h.pp
+++ b/include/mysql/plugin_ftparser.h.pp
@@ -33,16 +33,23 @@ MYSQL_LEX_STRING *thd_make_lex_string(void* thd, MYSQL_LEX_STRING *lex_str,
int allocate_lex_string);
#include <mysql/service_thd_wait.h>
typedef enum _thd_wait_type_e {
- THD_WAIT_MUTEX= 1,
+ THD_WAIT_SLEEP= 1,
THD_WAIT_DISKIO= 2,
- THD_WAIT_ROW_TABLE_LOCK= 3,
- THD_WAIT_GLOBAL_LOCK= 4
+ THD_WAIT_ROW_LOCK= 3,
+ THD_WAIT_GLOBAL_LOCK= 4,
+ THD_WAIT_META_DATA_LOCK= 5,
+ THD_WAIT_TABLE_LOCK= 6,
+ THD_WAIT_USER_LOCK= 7,
+ THD_WAIT_BINLOG= 8,
+ THD_WAIT_GROUP_COMMIT= 9,
+ THD_WAIT_SYNC= 10,
+ THD_WAIT_LAST= 11
} thd_wait_type;
extern struct thd_wait_service_st {
- void (*thd_wait_begin_func)(void*, thd_wait_type);
+ void (*thd_wait_begin_func)(void*, int);
void (*thd_wait_end_func)(void*);
} *thd_wait_service;
-void thd_wait_begin(void* thd, thd_wait_type wait_type);
+void thd_wait_begin(void* thd, int wait_type);
void thd_wait_end(void* thd);
#include <mysql/service_thread_scheduler.h>
struct scheduler_functions;
diff --git a/include/mysql/psi/mysql_file.h b/include/mysql/psi/mysql_file.h
index de145f642e1..6fc6689c47d 100644
--- a/include/mysql/psi/mysql_file.h
+++ b/include/mysql/psi/mysql_file.h
@@ -16,6 +16,8 @@
#ifndef MYSQL_FILE_H
#define MYSQL_FILE_H
+#include <my_global.h>
+
/* For strlen() */
#include <string.h>
/* For MY_STAT */
diff --git a/include/mysql/psi/mysql_thread.h b/include/mysql/psi/mysql_thread.h
index 389c73d09e9..d20e89a26fd 100644
--- a/include/mysql/psi/mysql_thread.h
+++ b/include/mysql/psi/mysql_thread.h
@@ -141,9 +141,7 @@ typedef struct st_mysql_rwlock mysql_rwlock_t;
@c mysql_prlock_t is a drop-in replacement for @c rw_pr_lock_t.
@sa mysql_prlock_init
@sa mysql_prlock_rdlock
- @sa mysql_prlock_tryrdlock
@sa mysql_prlock_wrlock
- @sa mysql_prlock_trywrlock
@sa mysql_prlock_unlock
@sa mysql_prlock_destroy
*/
@@ -421,20 +419,6 @@ typedef struct st_mysql_cond mysql_cond_t;
#endif
/**
- @def mysql_prlock_tryrdlock(RW)
- Instrumented rw_pr_tryrdlock.
- @c mysql_prlock_tryrdlock is a drop-in replacement
- for @c rw_pr_tryrdlock.
-*/
-#ifdef HAVE_PSI_INTERFACE
- #define mysql_prlock_tryrdlock(RW) \
- inline_mysql_prlock_tryrdlock(RW, __FILE__, __LINE__)
-#else
- #define mysql_prlock_tryrdlock(RW) \
- inline_mysql_prlock_tryrdlock(RW)
-#endif
-
-/**
@def mysql_rwlock_trywrlock(RW)
Instrumented rwlock_trywrlock.
@c mysql_rwlock_trywrlock is a drop-in replacement
@@ -449,20 +433,6 @@ typedef struct st_mysql_cond mysql_cond_t;
#endif
/**
- @def mysql_prlock_trywrlock(RW)
- Instrumented rw_pr_trywrlock.
- @c mysql_prlock_trywrlock is a drop-in replacement
- for @c rw_pr_trywrlock.
-*/
-#ifdef HAVE_PSI_INTERFACE
- #define mysql_prlock_trywrlock(RW) \
- inline_mysql_prlock_trywrlock(RW, __FILE__, __LINE__)
-#else
- #define mysql_prlock_trywrlock(RW) \
- inline_mysql_prlock_trywrlock(RW)
-#endif
-
-/**
@def mysql_rwlock_unlock(RW)
Instrumented rwlock_unlock.
@c mysql_rwlock_unlock is a drop-in replacement
@@ -905,35 +875,6 @@ static inline int inline_mysql_rwlock_tryrdlock(
return result;
}
-#ifndef DISABLE_MYSQL_PRLOCK_H
-static inline int inline_mysql_prlock_tryrdlock(
- mysql_prlock_t *that
-#ifdef HAVE_PSI_INTERFACE
- , const char *src_file, uint src_line
-#endif
- )
-{
- int result;
-#ifdef HAVE_PSI_INTERFACE
- struct PSI_rwlock_locker *locker= NULL;
- PSI_rwlock_locker_state state;
- if (likely(PSI_server && that->m_psi))
- {
- locker= PSI_server->get_thread_rwlock_locker(&state, that->m_psi,
- PSI_RWLOCK_TRYREADLOCK);
- if (likely(locker != NULL))
- PSI_server->start_rwlock_rdwait(locker, src_file, src_line);
- }
-#endif
- result= rw_pr_tryrdlock(&that->m_prlock);
-#ifdef HAVE_PSI_INTERFACE
- if (likely(locker != NULL))
- PSI_server->end_rwlock_rdwait(locker, result);
-#endif
- return result;
-}
-#endif
-
static inline int inline_mysql_rwlock_trywrlock(
mysql_rwlock_t *that
#ifdef HAVE_PSI_INTERFACE
@@ -961,35 +902,6 @@ static inline int inline_mysql_rwlock_trywrlock(
return result;
}
-#ifndef DISABLE_MYSQL_PRLOCK_H
-static inline int inline_mysql_prlock_trywrlock(
- mysql_prlock_t *that
-#ifdef HAVE_PSI_INTERFACE
- , const char *src_file, uint src_line
-#endif
- )
-{
- int result;
-#ifdef HAVE_PSI_INTERFACE
- struct PSI_rwlock_locker *locker= NULL;
- PSI_rwlock_locker_state state;
- if (likely(PSI_server && that->m_psi))
- {
- locker= PSI_server->get_thread_rwlock_locker(&state, that->m_psi,
- PSI_RWLOCK_TRYWRITELOCK);
- if (likely(locker != NULL))
- PSI_server->start_rwlock_wrwait(locker, src_file, src_line);
- }
-#endif
- result= rw_pr_trywrlock(&that->m_prlock);
-#ifdef HAVE_PSI_INTERFACE
- if (likely(locker != NULL))
- PSI_server->end_rwlock_wrwait(locker, result);
-#endif
- return result;
-}
-#endif
-
static inline int inline_mysql_rwlock_unlock(
mysql_rwlock_t *that)
{
diff --git a/include/mysql/service_thd_wait.h b/include/mysql/service_thd_wait.h
index 2a8f5e610a3..f5d2a75f5fc 100644
--- a/include/mysql/service_thd_wait.h
+++ b/include/mysql/service_thd_wait.h
@@ -50,15 +50,35 @@
extern "C" {
#endif
+/*
+ One should only report wait events that could potentially block for a
+ long time. A mutex wait is too short of an event to report. The reason
+ is that an event which is reported leads to a new thread starts
+ executing a query and this has a negative impact of usage of CPU caches
+ and thus the expected gain of starting a new thread must be higher than
+ the expected cost of lost performance due to starting a new thread.
+
+ Good examples of events that should be reported are waiting for row locks
+ that could easily be for many milliseconds or even seconds and the same
+ holds true for global read locks, table locks and other meta data locks.
+ Another event of interest is going to sleep for an extended time.
+*/
typedef enum _thd_wait_type_e {
- THD_WAIT_MUTEX= 1,
+ THD_WAIT_SLEEP= 1,
THD_WAIT_DISKIO= 2,
- THD_WAIT_ROW_TABLE_LOCK= 3,
- THD_WAIT_GLOBAL_LOCK= 4
+ THD_WAIT_ROW_LOCK= 3,
+ THD_WAIT_GLOBAL_LOCK= 4,
+ THD_WAIT_META_DATA_LOCK= 5,
+ THD_WAIT_TABLE_LOCK= 6,
+ THD_WAIT_USER_LOCK= 7,
+ THD_WAIT_BINLOG= 8,
+ THD_WAIT_GROUP_COMMIT= 9,
+ THD_WAIT_SYNC= 10,
+ THD_WAIT_LAST= 11
} thd_wait_type;
extern struct thd_wait_service_st {
- void (*thd_wait_begin_func)(MYSQL_THD, thd_wait_type);
+ void (*thd_wait_begin_func)(MYSQL_THD, int);
void (*thd_wait_end_func)(MYSQL_THD);
} *thd_wait_service;
@@ -70,7 +90,7 @@ extern struct thd_wait_service_st {
#else
-void thd_wait_begin(MYSQL_THD thd, thd_wait_type wait_type);
+void thd_wait_begin(MYSQL_THD thd, int wait_type);
void thd_wait_end(MYSQL_THD thd);
#endif
diff --git a/include/mysql/thread_pool_priv.h b/include/mysql/thread_pool_priv.h
new file mode 100644
index 00000000000..fc9a2bc6424
--- /dev/null
+++ b/include/mysql/thread_pool_priv.h
@@ -0,0 +1,121 @@
+/*
+ Copyright (C) 2010, 2011 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 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
+*/
+
+#ifndef THREAD_POOL_PRIV_INCLUDED
+#define THREAD_POOL_PRIV_INCLUDED
+
+/*
+ The thread pool requires access to some MySQL server error codes, this is
+ accessed from mysqld_error.h.
+ We need access to the struct that defines the thread pool plugin interface
+ which is accessed through scheduler.h.
+ All accesses to THD variables and functions are defined in this header file.
+ A thread pool can also use DEBUG_SYNC and must thus include
+ debug_sync.h
+ To handle definitions of Information Schema plugins it is also required
+ to include sql_profile.h and table.h.
+*/
+#include <mysqld_error.h> /* To get ER_ERROR_ON_READ */
+#define MYSQL_SERVER 1
+#include <scheduler.h>
+#include <debug_sync.h>
+#include <sql_profile.h>
+#include <table.h>
+
+/* Needed to get access to scheduler variables */
+void* thd_get_scheduler_data(THD *thd);
+void thd_set_scheduler_data(THD *thd, void *data);
+PSI_thread* thd_get_psi(THD *thd);
+void thd_set_psi(THD *thd, PSI_thread *psi);
+
+/* Interface to THD variables and functions */
+void thd_set_killed(THD *thd);
+void thd_clear_errors(THD *thd);
+void thd_set_thread_stack(THD *thd, char *stack_start);
+void thd_lock_thread_count(THD *thd);
+void thd_unlock_thread_count(THD *thd);
+void thd_close_connection(THD *thd);
+THD *thd_get_current_thd();
+void thd_new_connection_setup(THD *thd, char *stack_start);
+void thd_lock_data(THD *thd);
+void thd_unlock_data(THD *thd);
+bool thd_is_transaction_active(THD *thd);
+int thd_connection_has_data(THD *thd);
+void thd_set_net_read_write(THD *thd, uint val);
+void thd_set_mysys_var(THD *thd, st_my_thread_var *mysys_var);
+my_socket thd_get_fd(THD *thd);
+
+/* Print to the MySQL error log */
+void sql_print_error(const char *format, ...);
+
+/* Store a table record */
+bool schema_table_store_record(THD *thd, TABLE *table);
+
+/*
+ The thread pool must be able to execute statements using the connection
+ state in THD object. This is the main objective of the thread pool to
+ schedule the start of these commands.
+*/
+bool do_command(THD *thd);
+
+/*
+ The thread pool requires an interface to the connection logic in the
+ MySQL Server since the thread pool will maintain the event logic on
+ the TCP connection of the MySQL Server. Thus new connections, dropped
+ connections will be discovered by the thread pool and it needs to
+ ensure that the proper MySQL Server logic attached to these events is
+ executed.
+*/
+/* Initialise a new connection handler thread */
+bool init_new_connection_handler_thread();
+/* Set up connection thread before use as execution thread */
+bool setup_connection_thread_globals(THD *thd);
+/* Prepare connection as part of connection set-up */
+bool thd_prepare_connection(THD *thd);
+/* Release auditing before executing statement */
+void mysql_audit_release(THD *thd);
+/* Check if connection is still alive */
+bool thd_is_connection_alive(THD *thd);
+/* Close connection with possible error code */
+void close_connection(THD *thd, uint errcode);
+/* End the connection before closing it */
+void end_connection(THD *thd);
+/* Cleanup the THD object */
+void thd_cleanup(THD *thd);
+/* Decrement connection counter */
+void dec_connection_count();
+/* Destroy THD object */
+void delete_thd(THD *thd);
+
+/*
+ thread_created is maintained by thread pool when activated since
+ user threads are created by the thread pool (and also special
+ threads to maintain the thread pool). This is done through
+ inc_thread_created.
+
+ max_connections is needed to calculate the maximum number of threads
+ that is allowed to be started by the thread pool. The method
+ get_max_connections() gets reference to this variable.
+
+ connection_attrib is the thread attributes for connection threads,
+ the method get_connection_attrib provides a reference to these
+ attributes.
+*/
+void inc_thread_created(void);
+ulong get_max_connections(void);
+pthread_attr_t *get_connection_attrib(void);
+#endif