~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/* Copyright (C) 2000 MySQL AB
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
1802.10.2 by Monty Taylor
Update all of the copyright headers to include the correct address.
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
1 by brian
clean slate
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/*
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  Functions to handle initializating and allocationg of all mysys & debug
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  thread variables.
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*/
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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#include "config.h"
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#include "drizzled/internal/my_sys.h"
1689.2.10 by Brian Aker
Move thread_var out to its own include file.
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#include "drizzled/internal/thread_var.h"
1241.9.64 by Monty Taylor
Moved remaining non-public portions of mysys and mystrings to drizzled/internal.
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#include "drizzled/internal/m_string.h"
612.2.6 by Monty Taylor
OpenSolaris builds.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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#include <cstdio>
1 by brian
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#include <signal.h>
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481.1.15 by Monty Taylor
Removed time.h and sys/time.h from global.h.
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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#  include <sys/time.h>
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# else
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#  include <time.h>
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# endif
660.1.3 by Eric Herman
removed trailing whitespace with simple script:
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#endif
481.1.15 by Monty Taylor
Removed time.h and sys/time.h from global.h.
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1782 by Brian Aker
This modifies our thread system to be based on boost, and it fixes a
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#include <boost/thread/thread.hpp>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/tss.hpp>
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
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namespace internal
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{
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1782 by Brian Aker
This modifies our thread system to be based on boost, and it fixes a
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boost::thread_specific_ptr<st_my_thread_var> THR_KEY_mysys;
1778 by Brian Aker
Cleanup of thr_init.
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boost::mutex THR_LOCK_threads;
1 by brian
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/*
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  initialize thread environment
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  SYNOPSIS
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    my_thread_global_init()
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  RETURN
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    0  ok
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    1  error (Couldn't create THR_KEY_mysys)
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*/
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146 by Brian Aker
my_bool cleanup.
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bool my_thread_global_init(void)
1 by brian
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{
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  if (my_thread_init())
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  {
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    my_thread_global_end();			/* Clean up */
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    return 1;
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  }
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  return 0;
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}
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void my_thread_global_end(void)
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{
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}
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1241.9.57 by Monty Taylor
Oy. Bigger change than I normally like - but this stuff is all intertwined.
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static uint64_t thread_id= 0;
1 by brian
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/*
51.3.28 by Jay Pipes
DBUG entirely removed from server and client
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  Allocate thread specific memory for the thread, used by mysys
1 by brian
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  SYNOPSIS
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    my_thread_init()
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  RETURN
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    0  ok
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    1  Fatal error; mysys/dbug functions can't be used
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*/
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146 by Brian Aker
my_bool cleanup.
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bool my_thread_init(void)
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{
1778 by Brian Aker
Cleanup of thr_init.
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  // We should mever see my_thread_init()  called twice
1782 by Brian Aker
This modifies our thread system to be based on boost, and it fixes a
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  if (THR_KEY_mysys.get())
1778 by Brian Aker
Cleanup of thr_init.
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    return 0;
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1782.3.1 by Brian Aker
Pushes up thread ownership to the modules that create them.
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  st_my_thread_var *tmp= new st_my_thread_var;
1101.1.27 by Monty Taylor
Fixed the plugin string valgrind leak.
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  if (tmp == NULL)
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  {
1782.3.1 by Brian Aker
Pushes up thread ownership to the modules that create them.
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    return true;
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  }
1782 by Brian Aker
This modifies our thread system to be based on boost, and it fixes a
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  THR_KEY_mysys.reset(tmp);
1 by brian
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1778 by Brian Aker
Cleanup of thr_init.
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  boost::mutex::scoped_lock scopedLock(THR_LOCK_threads);
1 by brian
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  tmp->id= ++thread_id;
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1782.3.1 by Brian Aker
Pushes up thread ownership to the modules that create them.
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  return false;
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}
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/*
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  Deallocate memory used by the thread for book-keeping
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  SYNOPSIS
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    my_thread_end()
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  NOTE
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    This may be called multiple times for a thread.
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    This happens for example when one calls 'mysql_server_init()'
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    mysql_server_end() and then ends with a mysql_end().
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*/
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void my_thread_end(void)
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{
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}
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struct st_my_thread_var *_my_thread_var(void)
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{
1782 by Brian Aker
This modifies our thread system to be based on boost, and it fixes a
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  return THR_KEY_mysys.get();
1 by brian
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}
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace internal */
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} /* namespace drizzled */