HarfBuzz text shaping engine
http://harfbuzz.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.2 KiB
112 lines
3.2 KiB
/* |
|
* 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 |
|
* above copyright notice and the following two paragraphs appear in |
|
* all copies of this software. |
|
* |
|
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
|
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
|
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
|
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
|
* DAMAGE. |
|
* |
|
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
|
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
|
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
|
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
|
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
|
* |
|
* Contributor(s): |
|
* Chris Wilson <chris@chris-wilson.co.uk> |
|
* 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" |
|
|
|
HB_BEGIN_DECLS |
|
|
|
|
|
/* 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) |
|
|
|
|
|
#elif defined(_MSC_VER) |
|
|
|
#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) |
|
|
|
|
|
#else |
|
|
|
#warning "Could not find any system to define platform macros, library will NOT be thread-safe" |
|
|
|
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); } |
|
inline void free (void) { hb_mutex_impl_free (&m); } |
|
}; |
|
|
|
#define HB_MUTEX_INIT {HB_MUTEX_IMPL_INIT} |
|
#define hb_mutex_init(M) (M)->init () |
|
#define hb_mutex_lock(M) (M)->lock () |
|
#define hb_mutex_unlock(M) (M)->unlock () |
|
#define hb_mutex_free(M) (M)->free () |
|
|
|
|
|
struct hb_static_mutex_t : hb_mutex_t |
|
{ |
|
hb_static_mutex_t (void) { this->init (); } |
|
~hb_static_mutex_t (void) { this->free (); } |
|
|
|
private: |
|
NO_COPY (hb_static_mutex_t); |
|
}; |
|
|
|
|
|
HB_END_DECLS |
|
|
|
#endif /* HB_MUTEX_PRIVATE_HH */
|
|
|