1 //          Package : omnithread
 2 // omnithread/nt.h      Created : 6/95 tjr
 3 //
 4 //    Copyright (C) 1995, 1996, 1997 Olivetti & Oracle Research Laboratory
 5 //
 6 //    This file is part of the omnithread library
 7 //
 8 //    The omnithread library is free software; you can redistribute it and/or
 9 //    modify it under the terms of the GNU Library General Public
10 //    License as published by the Free Software Foundation; either
11 //    version 2 of the License, or (at your option) any later version.
12 //
13 //    This library is distributed in the hope that it will be useful,
14 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
15 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 //    Library General Public License for more details.
17 //
18 //    You should have received a copy of the GNU Library General Public
19 //    License along with this library; if not, write to the Free
20 //    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
21 //    02111-1307, USA
22 //
23 //
24 // OMNI thread implementation classes for NT threads.
25 //
26 
27 #ifndef __omnithread_nt_h_
28 #define __omnithread_nt_h_
29 
30 #ifndef WIN32_LEAN_AND_MEAN
31 #  define WIN32_LEAN_AND_MEAN
32 #  define OMNI_DEFINED_WIN32_LEAN_AND_MEAN
33 #endif
34 
35 #include <windows.h>
36 
37 #ifdef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
38 #  undef WIN32_LEAN_AND_MEAN
39 #  undef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
40 #endif
41 
42 
43 #ifndef __BCPLUSPLUS__
44 #define OMNI_THREAD_WRAPPER \
45     unsigned __stdcall omni_thread_wrapper(LPVOID ptr)
46 #else
47 #define OMNI_THREAD_WRAPPER \
48     void _USERENTRY omni_thread_wrapper(void *ptr)
49 #endif
50 
51 extern "C" OMNI_THREAD_WRAPPER;
52 
53 #define OMNI_MUTEX_IMPLEMENTATION         \
54     CRITICAL_SECTION crit;
55 
56 #define OMNI_MUTEX_LOCK_IMPLEMENTATION                  \
57     EnterCriticalSection(&crit);
58 
59 #define OMNI_MUTEX_UNLOCK_IMPLEMENTATION                \
60     LeaveCriticalSection(&crit);
61 
62 #define OMNI_CONDITION_IMPLEMENTATION        \
63     CRITICAL_SECTION crit;          \
64     omni_thread* waiting_head;            \
65     omni_thread* waiting_tail;
66 
67 #define OMNI_SEMAPHORE_IMPLEMENTATION        \
68     HANDLE nt_sem;
69 
70 #define OMNI_THREAD_IMPLEMENTATION        \
71     HANDLE handle;               \
72     DWORD nt_id;              \
73     void* return_val;               \
74     HANDLE cond_semaphore;          \
75     omni_thread* cond_next;            \
76     omni_thread* cond_prev;            \
77     BOOL cond_waiting;              \
78     static int nt_priority(priority_t);         \
79     friend class omni_condition;       \
80     friend OMNI_THREAD_WRAPPER;
81 
82 #endif


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