PthreadErrorHandler.h

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//=============================================================================
//  PthreadErrorHandler 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.
//=============================================================================

#ifndef PthreadErrorHandler_h
#define PthreadErrorHandler_h
#pragma once

#ifdef EXTERNAL_TEMPLATES
#     pragma interface
#endif

#include <cpn/common.h>
#include <cpn/threading/PthreadDefs.h>
#ifdef _POSIX_THREADS
#include <cpn/utils/ErrnoException.h>

class PthreadErrorHandler {
  public:
    PthreadErrorHandler(void)   { error = 0; }
    int     Error(void)         { return error; }
    void    Clear(void)         { error = 0; }
  protected:
    void    TrapError(int result);
    int     error;
};


//-----------------------------------------------------------------------------
inline void PthreadErrorHandler::TrapError(int err)
//  If err is nonzero, throw it as an exception.
//-----------------------------------------------------------------------------
{
    if (err) {
        error = err;
        throw ErrnoException(err);
    }
}


#endif
#endif