ot_nt.h

Go to the documentation of this file.

//                              Package : omnithread
// omnithread/nt.h              Created : 6/95 tjr
//
//    Copyright (C) 1995, 1996, 1997 Olivetti & Oracle Research Laboratory
//
//    This file is part of the omnithread library
//
//    The omnithread 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.
//
//    You should have received a copy of the GNU Library General Public
//    License along with this library; if not, write to the Free
//    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
//    02111-1307, USA
//
//
// OMNI thread implementation classes for NT threads.
//

#ifndef __omnithread_nt_h_
#define __omnithread_nt_h_

#ifndef WIN32_LEAN_AND_MEAN
#  define WIN32_LEAN_AND_MEAN
#  define OMNI_DEFINED_WIN32_LEAN_AND_MEAN
#endif

#include <windows.h>

#ifdef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
#  undef WIN32_LEAN_AND_MEAN
#  undef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
#endif


#ifndef __BCPLUSPLUS__
#define OMNI_THREAD_WRAPPER \
    unsigned __stdcall omni_thread_wrapper(LPVOID ptr);
#else
#define OMNI_THREAD_WRAPPER \
    void _USERENTRY omni_thread_wrapper(void *ptr);
#endif

extern "C" OMNI_THREAD_WRAPPER;

#define OMNI_MUTEX_IMPLEMENTATION                       \
    CRITICAL_SECTION crit;

#define OMNI_MUTEX_LOCK_IMPLEMENTATION                  \
    EnterCriticalSection(&crit);

#define OMNI_MUTEX_TRYLOCK_IMPLEMENTATION               \
    TryEnterCriticalSection(&crit);

#define OMNI_MUTEX_UNLOCK_IMPLEMENTATION                \
    LeaveCriticalSection(&crit);

#define OMNI_CONDITION_IMPLEMENTATION                   \
    CRITICAL_SECTION crit;                              \
    omni_thread* waiting_head;                          \
    omni_thread* waiting_tail;

#define OMNI_SEMAPHORE_IMPLEMENTATION                   \
    HANDLE nt_sem;

#define OMNI_THREAD_IMPLEMENTATION                      \
    HANDLE handle;                                      \
    DWORD nt_id;                                        \
    void* return_val;                                   \
    HANDLE cond_semaphore;                              \
    omni_thread* cond_next;                             \
    omni_thread* cond_prev;                             \
    BOOL cond_waiting;                                  \
    static int nt_priority(priority_t);                 \
    friend class omni_condition;                        \
    friend OMNI_THREAD_WRAPPER;

#endif

---