Thread.cpp

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/*
 * Copyright (C) 2006-2010 Jacek Sieka, arnetheduck on gmail point com
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "adchpp.h"

#include "Thread.h"
#include "Util.h"

namespace adchpp {


#ifdef _WIN32

void Thread::start() throw(ThreadException) {
    if(isRunning()) {
        throw ThreadException(_T("Already running"));
    }

    DWORD threadId = 0;
    if( (threadHandle = ::CreateThread(NULL, 0, &starter, this, 0, &threadId)) == NULL) {
        throw ThreadException(Util::translateError(::GetLastError()));
    }
}

void Thread::join() throw() {
    if(!isRunning()) {
        return;
    }

    ::WaitForSingleObject(threadHandle, INFINITE);
    ::CloseHandle(threadHandle);
    threadHandle = INVALID_HANDLE_VALUE;
}

#else // _WIN32

void Thread::start() throw(ThreadException) {
    if(isRunning()) {
        throw ThreadException(_T("Already running"));
    }

    // Not all implementations may create threads as joinable by default.
    pthread_attr_t attr;
    pthread_attr_init(&attr);
    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
    int result = pthread_create(&t, &attr, &starter, this);
    if(result != 0) {
        throw ThreadException(Util::translateError(result));
    }
    pthread_attr_destroy(&attr);
}

void Thread::join() throw() {
    if(t == 0)
        return;

    void* x;
    pthread_join(t, &x);
    t = 0;
}

#endif
}