/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 3 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, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
/*****************************************************************************
*
*   $/Plasma20/Sources/Plasma/NucleusLib/pnAsyncCoreExe/pnAceThread.cpp
*   
***/

#include "Pch.h"
#pragma hdrstop


/*****************************************************************************
*
*   Private data
*
***/



/*****************************************************************************
*
*   Internal functions
*
***/

//===========================================================================
static unsigned CALLBACK CreateThreadProc (LPVOID param) {
    PerfAddCounter(kAsyncPerfThreadsTotal, 1);
    PerfAddCounter(kAsyncPerfThreadsCurr, 1);

    // Initialize thread
    AsyncThread * thread = (AsyncThread *) param;

    // Call thread procedure
    unsigned result = thread->proc(thread);

    // Cleanup thread
    DEL(thread);

    PerfSubCounter(kAsyncPerfThreadsCurr, 1);
    return result;
}


/*****************************************************************************
*
*   Module functions
*
***/

//============================================================================
void ThreadDestroy (unsigned exitThreadWaitMs) {

	unsigned bailAt = TimeGetMs() + exitThreadWaitMs;
	while (AsyncPerfGetCounter(kAsyncPerfThreadsCurr) && signed(bailAt - TimeGetMs()) > 0)
		AsyncSleep(10);
}


/*****************************************************************************
*
*   Public exports
*
***/

//===========================================================================
void * AsyncThreadCreate (
    FAsyncThreadProc    threadProc,
    void *              argument,
    const wchar         name[]
) {
    AsyncThread * thread    = NEW(AsyncThread);
    thread->proc            = threadProc;
    thread->handle          = nil;
    thread->argument        = argument;
    thread->workTimeMs      = kAsyncTimeInfinite;
    StrCopy(thread->name, name, arrsize(thread->name));
    
    // Create thread suspended
    unsigned threadId;
    HANDLE handle = (HANDLE) _beginthreadex(
        (LPSECURITY_ATTRIBUTES) 0,
        0,          // stack size
        CreateThreadProc,
        thread,     // argument
        0,          // initFlag
        &threadId
    );
    if (!handle) {
        LogMsg(kLogFatal, "%s (%u)", __FILE__, GetLastError());
        ErrorFatal(__LINE__, __FILE__, "_beginthreadex failed");
    }

    thread->handle = handle;
    return handle;
}