arospdf/goo/GMutex.h

   1 //========================================================================
   2 //
   3 // GMutex.h
   4 //
   5 // Portable mutex macros.
   6 //
   7 // Copyright 2002-2003 Glyph & Cog, LLC
   8 //
   9 //========================================================================
  10
  11 #ifndef GMUTEX_H
  12 #define GMUTEX_H
  13
  14 // Usage:
  15 //
  16 // GMutex m;
  17 // gInitMutex(&m);
  18 // ...
  19 // gLockMutex(&m);
  20 //   ... critical section ...
  21 // gUnlockMutex(&m);
  22 // ...
  23 // gDestroyMutex(&m);
  24
  25 #ifdef WIN32
  26
  27 #include <windows.h>
  28
  29 typedef CRITICAL_SECTION GMutex;
  30
  31 #define gInitMutex(m) InitializeCriticalSection(m)
  32 #define gDestroyMutex(m) DeleteCriticalSection(m)
  33 #define gLockMutex(m) EnterCriticalSection(m)
  34 #define gUnlockMutex(m) LeaveCriticalSection(m)
  35
  36 #else // assume pthreads
  37
  38 #include <pthread.h>
  39
  40 typedef pthread_mutex_t GMutex;
  41
  42 #define gInitMutex(m) pthread_mutex_init(m, NULL)
  43 #define gDestroyMutex(m) pthread_mutex_destroy(m)
  44 #define gLockMutex(m) pthread_mutex_lock(m)
  45 #define gUnlockMutex(m) pthread_mutex_unlock(m)
  46
  47 #endif
  48
  49 #endif