index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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	Commit message (Collapse)	Author	Age
*	Merge branch 'master' of https://github.com/erlehmann/minetest-delta.git ↵	Sebastian Rühl	2011-06-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |	into upstream_merge Conflicts: .gitignore CMakeLists.txt data/heart.png src/CMakeLists.txt src/game.cpp src/guiMainMenu.cpp src/inventory.cpp src/map.cpp src/mapblock.cpp src/mapnode.cpp src/mapnode.h src/materials.cpp src/server.cpp Signed-off-by: Sebastian Rühl <bahamada_basti@yahoo.de>
| *	* ignore minetestmapper output	Nils Dagsson Moskopp	2011-06-02
| |
| *	+ .gitignore	Nils Dagsson Moskopp	2011-05-29
|
*	New map generator added (and SQLite, messed up the commits at that time...) ↵	Perttu Ahola	2011-06-25
| | | |	(import from temporary git repo)
*	Reorganizing stuff (import from temporary git repo)	Perttu Ahola	2011-06-25

generated by cgit v1.2.3 (git 2.39.1) at 2025-01-23 09:19:00 +0000

/*

    This file is a part of the JThread package, which contains some object-
    oriented thread wrappers for different thread implementations.

    Copyright (c) 2000-2006  Jori Liesenborgs (jori.liesenborgs@gmail.com)

    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    DEALINGS IN THE SOFTWARE.

*/

#include "jthread.h"
#include <sys/time.h>
#include <time.h>
#include <stdlib.h>

JThread::JThread()
{
	retval = NULL;
	mutexinit = false;
	running = false;
}

JThread::~JThread()
{
	Kill();
}

int JThread::Start()
{
	int status;

	if (!mutexinit)
	{
		if (!runningmutex.IsInitialized())
		{
			if (runningmutex.Init() < 0)
				return ERR_JTHREAD_CANTINITMUTEX;
		}
		if (!continuemutex.IsInitialized())
		{
			if (continuemutex.Init() < 0)
				return ERR_JTHREAD_CANTINITMUTEX;
		}
		if (!continuemutex2.IsInitialized())
		{
			if (continuemutex2.Init() < 0)
				return ERR_JTHREAD_CANTINITMUTEX;
		}
		mutexinit = true;
	}
	
	runningmutex.Lock();
	if (running)
	{
		runningmutex.Unlock();
		return ERR_JTHREAD_ALREADYRUNNING;
	}
	runningmutex.Unlock();
	
	pthread_attr_t attr;
	pthread_attr_init(&attr);
	pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED);
	
	continuemutex.Lock();
	status = pthread_create(&threadid,&attr,TheThread,this);	
	pthread_attr_destroy(&attr);
	if (status != 0)
	{
		continuemutex.Unlock();
		return ERR_JTHREAD_CANTSTARTTHREAD;
	}
	
	/* Wait until 'running' is set */
	
	runningmutex.Lock();			
	while (!running)
	{
		runningmutex.Unlock();
		
		struct timespec req,rem;

		req.tv_sec = 0;
		req.tv_nsec = 1000000;
		nanosleep(&req,&rem);

		runningmutex.Lock();
	}
	runningmutex.Unlock();
	
	continuemutex.Unlock();
	
	continuemutex2.Lock();
	continuemutex2.Unlock();
	return 0;
}

int JThread::Kill()
{
	runningmutex.Lock();			
	if (!running)
	{
		runningmutex.Unlock();
		return ERR_JTHREAD_NOTRUNNING;
	}
	pthread_cancel(threadid);
	running = false;
	runningmutex.Unlock();
	return 0;
}

bool JThread::IsRunning()
{
	bool r;
	
	runningmutex.Lock();			
	r = running;
	runningmutex.Unlock();
	return r;
}

void *JThread::GetReturnValue()
{
	void *val;
	
	runningmutex.Lock();
	if (running)
		val = NULL;
	else
		val = retval;
	runningmutex.Unlock();
	return val;
}

void *JThread::TheThread(void *param)
{
	JThread *jthread;
	void *ret;
	
	jthread = (JThread *)param;
	
	jthread->continuemutex2.Lock();
	jthread->runningmutex.Lock();
	jthread->running = true;
	jthread->runningmutex.Unlock();
	
	jthread->continuemutex.Lock();
	jthread->continuemutex.Unlock();
	
	ret = jthread->Thread();

	jthread->runningmutex.Lock();
	jthread->running = false;
	jthread->retval = ret;
	jthread->runningmutex.Unlock();

	return NULL;
}

void JThread::ThreadStarted()
{
	continuemutex2.Unlock();
}