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/*
* active port forwarder - software for secure forwarding
* Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
*/
#include <config.h>
#include "thread_management.h"
#ifdef HAVE_LIBPTHREAD
static pthread_t mainthread;
static pthread_mutex_t mainmutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t maincond = PTHREAD_COND_INITIALIZER;
/*
* Function name: remember_mainthread
* Description: Remembers the current thread as a main thread.
*/
void
remember_mainthread(void)
{
mainthread = pthread_self();
}
/*
* Function name: is_this_a_mainthread
* Description: Checks, if the current thread is a main thread.
* Returns: 0 - this is not a main thread,
* 1 - this is a main thread.
*/
int
is_this_a_mainthread(void)
{
if (pthread_self() == mainthread) {
return 1;
}
return 0;
}
/*
* Function name: start_critical_section
* Description: Starts the critical section of the code by locking the mutex.
*/
void
start_critical_section(void)
{
pthread_mutex_lock( &mainmutex);
}
/*
* Function name: end_critical_section
* Description: Ends the critical section of the code by unlocking the mutex.
*/
void
end_critical_section(void)
{
pthread_mutex_unlock( &mainmutex);
}
/*
* Function name: wait_for_condition
* Description: Starts waiting for the condition.
*/
void
wait_for_condition(void)
{
pthread_cond_wait(&maincond, &mainmutex);
}
/*
* Function name: broadcast_condition
* Description: Broadcast the met of the condition.
*/
void
broadcast_condition(void)
{
pthread_cond_broadcast(&maincond);
}
#endif
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