PthreadBase.cc

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//=============================================================================
//  PthreadBase class
//-----------------------------------------------------------------------------
//  POSIX Pthread class library
//  Copyright (C) 1997-1999  The University of Texas
//
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Library General Public License as published
//  by the Free Software Foundation; either version 2 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
//  Library General Public License for more details.
//
//  The GNU Public License is available in the file LICENSE, or you
//  can write to the Free Software Foundation, Inc., 59 Temple Place -
//  Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
//  World Wide Web at http://www.fsf.org.
//=============================================================================

#ifdef EXTERNAL_TEMPLATES
#     pragma implementation "PthreadErrorHandler.h"
#     pragma implementation "PthreadBase.h"
#     pragma implementation "PthreadScheduleParam.h"
#endif

#include <cpn/threading/PthreadLib.h>
#ifdef _POSIX_THREADS


//-----------------------------------------------------------------------------
PthreadBase::PthreadBase(void)
//-----------------------------------------------------------------------------
{
    theThread = Self();
}


//-----------------------------------------------------------------------------
PthreadBase::PthreadBase(pthread_t thread)
//-----------------------------------------------------------------------------
{
    theThread = thread;
}


//-----------------------------------------------------------------------------
PthreadBase::PthreadBase(void* (*entryFunc)(void*), void* arg)
//-----------------------------------------------------------------------------
{
    TrapError( pthread_create( (pthread_t*)&theThread, 0, entryFunc, arg) );
}


//-----------------------------------------------------------------------------
PthreadBase::PthreadBase(PthreadAttr& attr, void* (*entryFunc)(void*), void* arg)
//-----------------------------------------------------------------------------
{
    TrapError( pthread_create( (pthread_t*)&theThread, (pthread_attr_t*)attr, entryFunc, arg) );
}


//-----------------------------------------------------------------------------
void* PthreadBase::Join(void)
//-----------------------------------------------------------------------------
{
    void* result = 0;
    TrapError( pthread_join(theThread, &result) );
    return result;
}


//-----------------------------------------------------------------------------
int PthreadBase::CancelEnable(void)
//-----------------------------------------------------------------------------
{
    int oldState;
    pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldState);
    return oldState;
}


//-----------------------------------------------------------------------------
int PthreadBase::CancelDisable(void)
//-----------------------------------------------------------------------------
{
    int oldState;
    pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldState);
    return oldState;
}

//-----------------------------------------------------------------------------
int PthreadBase::CancelDeferred(void)
//-----------------------------------------------------------------------------
{
    int oldState;
    pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &oldState);
    return oldState;
}


//-----------------------------------------------------------------------------
int PthreadBase::CancelAsynchronous(void)
//-----------------------------------------------------------------------------
{
    int oldState;
    pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldState);
    return oldState;
}


#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
//-----------------------------------------------------------------------------
int PthreadBase::SchedulePolicy(void)
//-----------------------------------------------------------------------------
{
    int policy;
    PthreadScheduleParam    sp;
    TrapError( pthread_getschedparam(theThread, &policy, sp) );
    return policy;
}


//-----------------------------------------------------------------------------
int PthreadBase::SchedulePriority(void)
//-----------------------------------------------------------------------------
{
    int policy;
    PthreadScheduleParam    sp;
    TrapError( pthread_getschedparam(theThread, &policy, sp) );
    return sp.Priority();
}


//-----------------------------------------------------------------------------
void PthreadBase::GetScheduleParams(int& policy, int& priority)
//-----------------------------------------------------------------------------
{
    PthreadScheduleParam    sp;
    TrapError( pthread_getschedparam(theThread, &policy, sp) );
    priority = sp.Priority();
}


//-----------------------------------------------------------------------------
void PthreadBase::SetScheduleParams(int policy, int priority)
//-----------------------------------------------------------------------------
{
    PthreadScheduleParam    sp;
    sp.Priority(priority);
    TrapError( pthread_setschedparam(theThread, policy, sp) );
}


//-----------------------------------------------------------------------------
void PthreadBase::GetScheduleParams(int& policy, PthreadScheduleParam& sp)
//-----------------------------------------------------------------------------
{
    TrapError( pthread_getschedparam(theThread, &policy, sp) );
}


//-----------------------------------------------------------------------------
void PthreadBase::SetScheduleParams(int policy, PthreadScheduleParam& sp)
//-----------------------------------------------------------------------------
{
    TrapError( pthread_setschedparam(theThread, policy, sp) );
}
#endif


#endif