rtk-cvs

[<le...@us...>]

Update of /cvsroot/rtk/rtk/src/core/platform/linux
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28229

Added Files:
	CMakeLists.txt Mutex.cpp Thread.cpp 
Log Message:
Linux Mutex and Thread implementations added to RTK CVS repository.
NOTE: CMake build system is still not good - i have to learn how to add
stuff to RTK CORE library, which is in ..


--- NEW FILE: CMakeLists.txt ---
##
 #
 # RTK
 # Fast and easy cross-platform GUI ToolKit.
 #
 # Copyright (C) 2001-200x RTK Development Team
 #
 # This library is free software; you can redistribute it and/or modify it
 # under the terms of the slightly modified (see the "EXCEPTION NOTICE" part
 # of RTK Library License) GNU Lesser General Public License as published
 # by the Free Software Foundation; either version 2.1 of the License, or
 # (at your option) any later version.
 #
 # This library 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 Lesser General Public
 # License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public License
 # and along with this library; if not, write to the
 # Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA .
 #
 # Also you should have received a copy of RTK Library License, if not please
 # write an e-mail to some of RTK authors (listed in file AUTHORS).
 #
 # Bug reports: bu...@rt...
 # Suggestions: rf...@rt...
 #
 # Authors (chronological order):
 #   Dejan Lekic , de...@nu...
 # Contributors
 #   N/A
 ####################################################################

##-------------------------------------------------------------------
# Here we define all platform/linux core RTK files
# - It's IMHO (Dejan) handy to have them in one variable
#
SET(RTK_CORE_LINUX_SFILES Thread.cpp Mutex.cpp)

# Now we can put 'em in main RTK_CORE_SFILES variable
SET(RTK_CORE_SFILES ${RTK_CORE_SFILES} ${RTK_CORE_LINUX_SFILES})
ADD_LIBRARY(${RTK_LIBRTK} STATIC ${RTK_CORE_LINUX_SFILES})
MESSAGE("### ${RTK_CORE_SFILES}")
##-------------------------------------------------------------------
# LOG
#
IF (RTK_OPT_BCLOG)
  WRITE_FILE(${RTK_BC_LOGFILE} "was in /src/core/platform/linux\n" APPEND)
ENDIF (RTK_OPT_BCLOG)

##
 # $Id: CMakeLists.txt,v 1.1 2004/03/05 18:18:25 leka Exp $
 ####################################################################

--- NEW FILE: Mutex.cpp ---
/**
  * 
  * RTK
  * Fast and easy cross-platform GUI ToolKit.
  * 
  * Copyright (C) 2001-200x RTK Development Team
  * 
  * This library is free software; you can redistribute it and/or modify it 
  * under the terms of the slightly modified (see the "EXCEPTION NOTICE" part 
  * of RTK Library License) GNU Lesser General Public License as published 
  * by the Free Software Foundation; either version 2.1 of the License, or 
  * (at your option) any later version.
  * 
  * This library 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 Lesser General Public 
  * License for more details.
  * 
  * You should have received a copy of the GNU Lesser General Public License
  * and along with this library; if not, write to the 
  * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA .
  * 
  * Also you should have received a copy of RTK Library License, if not please
  * write an e-mail to some of RTK authors (listed in file AUTHORS).
  *
  * Bug reports: bu...@rt...
  * Suggestions: rf...@rt...
  ***************************************************************************/
  
/**
  * $Source: /cvsroot/rtk/rtk/src/core/platform/linux/Mutex.cpp,v $
  *****
  * Authors (chronological order):
  *   Mikko Lahteenmaki, mikko§rtk.cx
  *   Dejan Lekic, dejan§rtk.cx
  * Contributors (chronological order):
  *   $fname $lname, $email
  *****
  * T0D0 List:
  * -
  ***************************************************************************/
  
#include <rtk/Mutex.h>

namespace Rtk
{

// Linux supports recursive locks, use them directly, with some cheating:
#ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
	extern pthread_mutexattr_t Mutex_attrib;
	
	void Mutex::Init() {
		pthread_mutex_init(&_cs, &Mutex_attrib);
	}
	
	void Mutex::Lock() {
		pthread_mutex_lock(&_cs);
	}
	
	void Mutex::Unlock() {
		pthread_mutex_unlock(&_cs);
	}
#else 
	// standard pthread mutexes need a bit of work to be recursive:
	void Mutex::Init() {
		recursive_counter = 0;
		pthread_mutex_init(&_cs, NULL);
	}
	
	void Mutex::Lock() {
		if(!recursive_counter || owner_ != pthread_self()) {
			pthread_mutex_lock(&_cs);
			owner_ = pthread_self();
		}
		recursive_counter++;	
	}
	
	void Mutex::Unlock() {
		if (!--recursive_counter) 
			pthread_mutex_unlock(&_cs);
	} // unlock()
#endif

void Mutex::Destroy() {
	pthread_mutex_destroy(&_cs);
} // destroy()

}; // Rtk

/**
  * $Id: Mutex.cpp,v 1.1 2004/03/05 18:18:25 leka Exp $
  ***************************************************************************/


--- NEW FILE: Thread.cpp ---
/**
  * 
  * RTK
  * Fast and easy cross-platform GUI ToolKit.
  * 
  * Copyright (C) 2001-200x RTK Development Team
  * 
  * This library is free software; you can redistribute it and/or modify it 
  * under the terms of the slightly modified (see the "EXCEPTION NOTICE" part 
  * of RTK Library License) GNU Lesser General Public License as published 
  * by the Free Software Foundation; either version 2.1 of the License, or 
  * (at your option) any later version.
  * 
  * This library 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 Lesser General Public 
  * License for more details.
  * 
  * You should have received a copy of the GNU Lesser General Public License
  * and along with this library; if not, write to the 
  * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA .
  * 
  * Also you should have received a copy of RTK Library License, if not please
  * write an e-mail to some of RTK authors (listed in file AUTHORS).
  *
  * Bug reports: bu...@rt...
  * Suggestions: rf...@rt...
  ***************************************************************************/
  
/**
  * $Source: /cvsroot/rtk/rtk/src/core/platform/linux/Thread.cpp,v $
  *****
  * Authors (chronological order):
  *   Mikko Lahteenmaki, mikko§rtk.cx
  *   Dejan Lekic, dejan§rtk.cx
  * Contributors (chronological order):
  *   $fname $lname, $email
  *****
  * T0D0 List:
  * -
  ***************************************************************************/
  
#include <rtk/Thread.h>

namespace Rtk
{

void* thread_function(void *arg)
{
	Thread *t = (Thread*)arg;
	ThreadFunction func	= t->GetFunction();
	void *f_arg			= t->GetUserdata();
    t->_running = true;
    int ret = 0;
    
	if(!func) {
        while(t->ThreadStep());
    } else {
        ret = (*func)(f_arg);
    }

    t->_running = false;
    return (void*)ret;
}

bool Thread::Create(ThreadFunction function, void* arg)
{
	bool result  = true;
	_function    = function;
	_arg         = arg;
	_kill_thread = _running = 0;
	if (pthread_create((pthread_t*)(_thread_handle), NULL, thread_function, this))
		result = false;
	return result;
}

void Thread::Terminate(int exitcode)
{
	pthread_cancel(*((pthread_t*)(_thread_handle)));
}

bool Thread::Join(int timeout)
{
	void *result;
    return (bool)pthread_join(*((pthread_t*)(_thread_handle)), &result);
}

int Thread::GetPriority() const
{
	return 0;
}

int Thread::SetPriority(int priority)
{
	return 0;
}

}; // Rtk

/**
  * $Id: Thread.cpp,v 1.1 2004/03/05 18:18:25 leka Exp $
  ***************************************************************************/