Roll harfbuzz-ng 3b8fd9c48f4bde368bf2d465c148b9743a9216ee

third_party/harfbuzz-ng/src/hb-mutex-private.hh

 /*
  * Copyright © 2007  Chris Wilson
  * Copyright © 2009,2010  Red Hat, Inc.
  * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
@@ skipping 17 matching lines @@
  * Red Hat Author(s): Behdad Esfahbod
  * Google Author(s): Behdad Esfahbod
  */
 
 #ifndef HB_MUTEX_PRIVATE_HH
 #define HB_MUTEX_PRIVATE_HH
 
 #include "hb-private.hh"
 
 
-
 /* mutex */
 
 /* We need external help for these */
 
-#ifdef HAVE_GLIB
-
-#include <glib.h>
-
-typedef GStaticMutex hb_mutex_impl_t;
-#define HB_MUTEX_IMPL_INIT      G_STATIC_MUTEX_INIT
-#define hb_mutex_impl_init(M)   g_static_mutex_init (M)
-#define hb_mutex_impl_lock(M)   g_static_mutex_lock (M)
-#define hb_mutex_impl_unlock(M) g_static_mutex_unlock (M)
-#define hb_mutex_impl_free(M)   g_static_mutex_free (M)
+#if 0
 
 
-#elif defined(_MSC_VER) || defined(__MINGW32__)
+#elif !defined(HB_NO_MT) && defined(_MSC_VER) || defined(__MINGW32__)
 
 #include <windows.h>
-
 typedef CRITICAL_SECTION hb_mutex_impl_t;
 #define HB_MUTEX_IMPL_INIT      { NULL, 0, 0, NULL, NULL, 0 }
 #define hb_mutex_impl_init(M)   InitializeCriticalSection (M)
 #define hb_mutex_impl_lock(M)   EnterCriticalSection (M)
 #define hb_mutex_impl_unlock(M) LeaveCriticalSection (M)
 #define hb_mutex_impl_free(M)   DeleteCriticalSection (M)
 
 
+#elif !defined(HB_NO_MT) && defined(__APPLE__)
+
+#include <pthread.h>
+typedef pthread_mutex_t hb_mutex_impl_t;
+#define HB_MUTEX_IMPL_INIT      PTHREAD_MUTEX_INITIALIZER
+#define hb_mutex_impl_init(M)   pthread_mutex_init (M, NULL)
+#define hb_mutex_impl_lock(M)   pthread_mutex_lock (M)
+#define hb_mutex_impl_unlock(M) pthread_mutex_unlock (M)
+#define hb_mutex_impl_free(M)   pthread_mutex_destroy (M)
+
+
+#elif !defined(HB_NO_MT) && defined(HAVE_GLIB)
+
+#include <glib.h>
+typedef GStaticMutex hb_mutex_impl_t;
+#define HB_MUTEX_IMPL_INIT      G_STATIC_MUTEX_INIT
+#define hb_mutex_impl_init(M)   g_static_mutex_init (M)
+#define hb_mutex_impl_lock(M)   g_static_mutex_lock (M)
+#define hb_mutex_impl_unlock(M) g_static_mutex_unlock (M)
+#define hb_mutex_impl_free(M)   g_static_mutex_free (M)
+
+
 #else
 
-#warning "Could not find any system to define platform macros, library will NOT be thread-safe"
-
+#define HB_MUTEX_IMPL_NIL 1
 typedef volatile int hb_mutex_impl_t;
 #define HB_MUTEX_IMPL_INIT      0
 #define hb_mutex_impl_init(M)   ((void) (*(M) = 0))
 #define hb_mutex_impl_lock(M)   ((void) (*(M) = 1))
 #define hb_mutex_impl_unlock(M) ((void) (*(M) = 0))
 #define hb_mutex_impl_free(M)   ((void) (*(M) = 2))
 
-
 #endif
 
 
 struct hb_mutex_t
 {
   hb_mutex_impl_t m;
 
   inline void init   (void) { hb_mutex_impl_init   (&m); }
   inline void lock   (void) { hb_mutex_impl_lock   (&m); }
   inline void unlock (void) { hb_mutex_impl_unlock (&m); }
@@ skipping 12 matching lines @@
   hb_static_mutex_t (void)  { this->init (); }
   ~hb_static_mutex_t (void) { this->free (); }
 
   private:
   NO_COPY (hb_static_mutex_t);
 };
 
 
 
 #endif /* HB_MUTEX_PRIVATE_HH */