/*
 * Copyright (C) 2007-2023 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#include "bu/thread.h"
#include <sched.h>

namespace Bu { subExceptionDef( ThreadException ); }

Bu::ThreadId::ThreadId( pthread_t tId ) :
    tId( tId )
{
}

Bu::ThreadId::ThreadId()
{
}

bool Bu::ThreadId::operator==( const Bu::ThreadId &rhs )
{
    return pthread_equal( tId, rhs.tId );
}

bool Bu::ThreadId::operator!=( const ThreadId &rhs )
{
    return !pthread_equal( tId, rhs.tId );
}

Bu::Thread::Thread()
{
}

Bu::Thread::~Thread()
{
}

Bu::ThreadId Bu::Thread::currentThread()
{
    return ThreadId( pthread_self() );
}

bool Bu::Thread::start()
{
    if( pthread_create( &ptHandle, NULL, threadRunner, this ) )
    {
        throw Bu::ThreadException("Could not start thread.");
    }

    return true;
}

bool Bu::Thread::forceStop()
{
    pthread_cancel( ptHandle );

    return true;
}

void *Bu::Thread::threadRunner( void *pThread )
{
    ((Thread *)pThread)->run();
    pthread_exit( NULL );
    return NULL;
}

bool Bu::Thread::join()
{
    pthread_join( ptHandle, NULL );
    return true;
}

void Bu::Thread::yield()
{
    sched_yield();
}

void Bu::Thread::setName( const char *sName )
{
    pthread_setname_np( ptHandle, sName );
}