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- #error don't use
- /*
- Copyright (c) 2010, 2014, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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>
- #include <sql_list.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_close_connection(THD *thd);
- THD *thd_get_current_thd();
- 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);
- uint thd_get_net_read_write(THD *thd);
- void thd_set_mysys_var(THD *thd, st_my_thread_var *mysys_var);
- ulong thd_get_net_wait_timeout(THD *thd);
- my_socket thd_get_fd(THD *thd);
- int thd_store_globals(THD* thd);
- THD *first_global_thread();
- THD *next_global_thread(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
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