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thread_pthread.cpp

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/*
        $Id: thread_pthread.cpp,v 1.1.1.1 2000/04/09 12:18:02 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------
*/

#include "Core/precomp.h"

#include <pthread.h>
#include "API/Core/System/cl_assert.h"
#include "thread_pthread.h"

CL_Thread *CL_Thread::create(CL_Runnable *runnable)
{
        return new CL_Thread_Posix(runnable);
}

CL_Thread_Posix::CL_Thread_Posix(CL_Runnable *runnable)
{
        this->runnable = runnable;
        running = false;
}

CL_Thread_Posix::~CL_Thread_Posix()
{
        terminate();
}

void CL_Thread_Posix::start()
{
        if (running) return;

        cl_assert(
                pthread_create(
                        &thread,
                        NULL,
                        run_init,
                        this)==0);

        running = true;
}

void *CL_Thread_Posix::run_init(void *_self)
{
        CL_Thread_Posix *self = (CL_Thread_Posix *) _self;

        // kill thread immidiately - no cancelation point...
        pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);

        self->runnable->run();
        return NULL;
}

void CL_Thread_Posix::terminate()
{
        if (running) pthread_cancel(thread);
        running = false;
}

void CL_Thread_Posix::wait()
{
        if (running) pthread_join(thread, NULL);
        running = false;
}

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