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Fixed compiler warnings

Browse Source 
Fixed compile-pentium64 scripts
Fixed wrong estimate of update_with_key_prefix in sql-bench
Merge bk-internal.mysql.com:/home/bk/mysql-5.1 into mysql.com:/home/my/mysql-5.1
Fixed unsafe define of uint4korr()
Fixed that --extern works with mysql-test-run.pl
Small trivial cleanups
This also fixes a bug in counting number of rows that are updated when we have many simultanous queries
Move all connection handling and command exectuion main loop from sql_parse.cc to sql_connection.cc
Split handle_one_connection() into reusable sub functions.
Split create_new_thread() into reusable sub functions.
Added thread_scheduler; Preliminary interface code for future thread_handling code.

Use 'my_thread_id' for internal thread id's
Make thr_alarm_kill() to depend on thread_id instead of thread
Make thr_abort_locks_for_thread() depend on thread_id instead of thread
In store_globals(), set my_thread_var->id to be thd->thread_id.
Use my_thread_var->id as basis for my_thread_name()
The above changes makes the connection we have between THD and threads more soft.

Added a lot of DBUG_PRINT() and DBUG_ASSERT() functions
Fixed compiler warnings
Fixed core dumps when running with --debug
Removed setting of signal masks (was never used)
Made event code call pthread_exit() (portability fix)
Fixed that event code doesn't call DBUG_xxx functions before my_thread_init() is called.
Made handling of thread_id and thd->variables.pseudo_thread_id uniform.
Removed one common 'not freed memory' warning from mysqltest
Fixed a couple of usage of not initialized warnings (unlikely cases)
Suppress compiler warnings from bdb and (for the moment) warnings from ndb
This commit is contained in:
monty@mysql.com/narttu.mysql.fi
2007-02-23 13:13:55 +02:00
parent a5051aa4eb
commit f0ae3ce9b9
171 changed files with 2307 additions and 2592 deletions
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60
sql/scheduler.h Normal file
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/* Copyright (C) 2007 MySQL AB
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 */
/*
Classes for the thread scheduler
*/
#ifdef USE_PRAGMA_INTERFACE
#pragma interface
#endif
class THD;
/* Functions used when manipulating threads */
class scheduler_functions
{
public:
uint max_threads;
bool (*init)(void);
bool (*init_new_connection_thread)(void);
void (*add_connection)(THD *thd);
void (*post_kill_notification)(THD *thd);
bool (*end_thread)(THD *thd, bool cache_thread);
void (*end)(void);
scheduler_functions();
};
enum scheduler_types
{
SCHEDULER_ONE_THREAD_PER_CONNECTION=1,
SCHEDULER_NO_THREADS,
SCHEDULER_POOL_OF_THREADS
};
void one_thread_per_connection_scheduler(scheduler_functions* func);
void one_thread_scheduler(scheduler_functions* func);
enum pool_command_op
{
NOT_IN_USE_OP= 0, NORMAL_OP= 1, CONNECT_OP, KILL_OP, DIE_OP
};
#define HAVE_POOL_OF_THREADS 0 /* For easyer tests */
#define pool_of_threads_scheduler(A) one_thread_per_connection_scheduler(A)
class thd_scheduler
{};