src/global.h

   1 /*
   2  * Copyright (C) 2009-2012 the libgit2 contributors
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7 #ifndef INCLUDE_global_h__
   8 #define INCLUDE_global_h__
   9
  10 #include "mwindow.h"
  11 #include "hash.h"
  12
  13 #if defined(GIT_THREADS) && defined(_MSC_VER)
  14 # define GIT_MEMORY_BARRIER MemoryBarrier()
  15 #elif defined(GIT_THREADS)
  16 # define GIT_MEMORY_BARRIER __sync_synchronize()
  17 #else
  18 # define GIT_MEMORY_BARRIER /* noop */
  19 #endif
  20
  21 typedef struct {
  22         git_error *last_error;
  23         git_error error_t;
  24 } git_global_st;
  25
  26 git_global_st *git__global_state(void);
  27
  28 extern git_mutex git__mwindow_mutex;
  29
  30 #define GIT_GLOBAL (git__global_state())
  31
  32 #endif