// Copyright (C) 2003  Davis E. King (davis@dlib.net)
// License: Boost Software License   See LICENSE.txt for the full license.
#ifndef DLIB_THREADS_KERNEL_1_CPp_
#define DLIB_THREADS_KERNEL_1_CPp_
#include "../platform.h"
#ifdef WIN32
#include "threads_kernel_1.h"
#include <process.h>
namespace dlib
{
    namespace threads_kernel_shared_helpers
    {
    // -----------------------------------------------------------------------------------
        struct info
        {
            void* param;
            void (*funct)(void*);
        };
    // -----------------------------------------------------------------------------------
        unsigned int __stdcall thread_starter (
            void* param
        )
        {
            info* alloc_p = static_cast<info*>(param);
            info p = *alloc_p;
            delete alloc_p;
            p.funct(p.param);
            return 0;
        }
    // -----------------------------------------------------------------------------------
        bool spawn_thread (
            void (*funct)(void*),
            void* param
        )
        {
            info* p;
            try { p = new info; }
            catch (...) { return false; }
            p->funct = funct;
            p->param = param;
            unsigned int garbage;
            HANDLE thandle = (HANDLE)_beginthreadex (NULL,0,thread_starter,p,0,&garbage);
            // make thread and add it to the pool
            // return false if _beginthreadex didn't work
            if ( thandle == 0)
            {
                delete p;
                return false;
            }
            // throw away the thread handle
            CloseHandle(thandle); 
            return true;
        }
    // -----------------------------------------------------------------------------------
    }
}
#endif // WIN32
#endif // DLIB_THREADS_KERNEL_1_CPp_