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/* Copyright (C) 2000 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
Functions to handle initializating and allocationg of all mysys & debug
thread variables.
*/
#include <config.h>
#include <drizzled/internal/my_sys.h>
#include <drizzled/internal/thread_var.h>
#include <drizzled/internal/m_string.h>
#include <cstdio>
#include <signal.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <boost/thread/thread.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/tss.hpp>
namespace drizzled {
namespace internal {
boost::thread_specific_ptr<st_my_thread_var> THR_KEY_mysys;
boost::mutex THR_LOCK_threads;
static uint64_t thread_id= 0;
/*
Allocate thread specific memory for the thread, used by mysys
SYNOPSIS
my_thread_init()
RETURN
0 ok
1 Fatal error; mysys/dbug functions can't be used
*/
void my_thread_init()
{
// We should never see my_thread_init() called twice
if (THR_KEY_mysys.get())
{
abort();
}
boost::mutex::scoped_lock scopedLock(THR_LOCK_threads);
THR_KEY_mysys.reset(new st_my_thread_var(++thread_id));
}
st_my_thread_var* my_thread_var()
{
return THR_KEY_mysys.get();
}
} /* namespace internal */
} /* namespace drizzled */
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