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   1 //                              Package : omnithread
   2 // omnithread/posix.h           Created : 7/94 tjr
   3 //
   4 //    Copyright (C) 2006 Free Software Foundation, Inc.
   5 //    Copyright (C) 1994,1995,1996, 1997 Olivetti & Oracle Research Laboratory
   6 //
   7 //    This file is part of the omnithread library
   8 //
   9 //    The omnithread library is free software; you can redistribute it and/or
  10 //    modify it under the terms of the GNU Library General Public
  11 //    License as published by the Free Software Foundation; either
  12 //    version 2 of the License, or (at your option) any later version.
  13 //
  14 //    This library is distributed in the hope that it will be useful,
  15 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 //    Library General Public License for more details.
  18 //
  19 //    You should have received a copy of the GNU Library General Public
  20 //    License along with this library; if not, write to the Free
  21 //    Software Foundation, Inc., 51 Franklin Street, Boston, MA
  22 //    02110-1301, USA
  23 //
  24 //
  25 // OMNI thread implementation classes for posix threads
  26 //
  27
  28 #ifndef __omnithread_posix_h_
  29 #define __omnithread_posix_h_
  30
  31 #if defined(__alpha__) && defined(__osf1__) || defined(__hpux__)
  32 // stop unnecessary definitions of TRY, etc on OSF
  33 #ifndef EXC_HANDLING
  34 #define EXC_HANDLING
  35 #endif
  36 #endif
  37
  38 #ifndef __POSIX_NT__
  39 #  include <pthread.h>
  40 #else
  41 #  ifndef WIN32_LEAN_AND_MEAN
  42 #    define WIN32_LEAN_AND_MEAN
  43 #    define OMNI_DEFINED_WIN32_LEAN_AND_MEAN
  44 #  endif
  45 #  include <windows.h>
  46 #  include "pthread_nt.h"
  47 #  ifdef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
  48 #    undef WIN32_LEAN_AND_MEAN
  49 #    undef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
  50 #  endif
  51 #endif
  52
  53 extern "C" void* omni_thread_wrapper(void* ptr);
  54
  55 #define OMNI_MUTEX_IMPLEMENTATION                       \
  56     pthread_mutex_t posix_mutex;
  57
  58 #define OMNI_MUTEX_LOCK_IMPLEMENTATION                  \
  59     pthread_mutex_lock(&posix_mutex);
  60
  61 #define OMNI_MUTEX_TRYLOCK_IMPLEMENTATION               \
  62     (pthread_mutex_trylock(&posix_mutex)==0);
  63
  64 #define OMNI_MUTEX_UNLOCK_IMPLEMENTATION                \
  65     pthread_mutex_unlock(&posix_mutex);
  66
  67 #define OMNI_CONDITION_IMPLEMENTATION                   \
  68     pthread_cond_t posix_cond;
  69
  70 #define OMNI_SEMAPHORE_IMPLEMENTATION                   \
  71     omni_mutex m;                                       \
  72     omni_condition c;                                   \
  73     int value;                                          \
  74     int max_count;
  75
  76 #define OMNI_THREAD_IMPLEMENTATION                      \
  77     pthread_t posix_thread;                             \
  78     static int posix_priority(priority_t);              \
  79     friend void* omni_thread_wrapper(void* ptr);
  80
  81 #endif