diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-mutex-private.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-mutex-private.hh | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-mutex-private.hh b/src/3rdparty/harfbuzz-ng/src/hb-mutex-private.hh deleted file mode 100644 index 49ed10e08a..0000000000 --- a/src/3rdparty/harfbuzz-ng/src/hb-mutex-private.hh +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright © 2007 Chris Wilson - * Copyright © 2009,2010 Red Hat, Inc. - * Copyright © 2011,2012 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" - - -/* mutex */ - -/* We need external help for these */ - -#if defined(HB_MUTEX_IMPL_INIT) \ - && defined(hb_mutex_impl_init) \ - && defined(hb_mutex_impl_lock) \ - && defined(hb_mutex_impl_unlock) \ - && defined(hb_mutex_impl_finish) - -/* Defined externally, i.e. in config.h; must have typedef'ed hb_mutex_impl_t as well. */ - - -#elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__)) - -#include <windows.h> -typedef CRITICAL_SECTION hb_mutex_impl_t; -#define HB_MUTEX_IMPL_INIT {0} -#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP) -#define hb_mutex_impl_init(M) InitializeCriticalSectionEx (M, 0, 0) -#else -#define hb_mutex_impl_init(M) InitializeCriticalSection (M) -#endif -#define hb_mutex_impl_lock(M) EnterCriticalSection (M) -#define hb_mutex_impl_unlock(M) LeaveCriticalSection (M) -#define hb_mutex_impl_finish(M) DeleteCriticalSection (M) - - -#elif !defined(HB_NO_MT) && (defined(HAVE_PTHREAD) || 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, nullptr) -#define hb_mutex_impl_lock(M) pthread_mutex_lock (M) -#define hb_mutex_impl_unlock(M) pthread_mutex_unlock (M) -#define hb_mutex_impl_finish(M) pthread_mutex_destroy (M) - - -#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES) - -#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD) -# include <sched.h> -# define HB_SCHED_YIELD() sched_yield () -#else -# define HB_SCHED_YIELD() HB_STMT_START {} HB_STMT_END -#endif - -/* This actually is not a totally awful implementation. */ -typedef volatile int hb_mutex_impl_t; -#define HB_MUTEX_IMPL_INIT 0 -#define hb_mutex_impl_init(M) *(M) = 0 -#define hb_mutex_impl_lock(M) HB_STMT_START { while (__sync_lock_test_and_set((M), 1)) HB_SCHED_YIELD (); } HB_STMT_END -#define hb_mutex_impl_unlock(M) __sync_lock_release (M) -#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END - - -#elif !defined(HB_NO_MT) - -#if defined(HAVE_SCHED_H) && defined(HAVE_SCHED_YIELD) -# include <sched.h> -# define HB_SCHED_YIELD() sched_yield () -#else -# define HB_SCHED_YIELD() HB_STMT_START {} HB_STMT_END -#endif - -#define HB_MUTEX_INT_NIL 1 /* Warn that fallback implementation is in use. */ -typedef volatile int hb_mutex_impl_t; -#define HB_MUTEX_IMPL_INIT 0 -#define hb_mutex_impl_init(M) *(M) = 0 -#define hb_mutex_impl_lock(M) HB_STMT_START { while (*(M)) HB_SCHED_YIELD (); (*(M))++; } HB_STMT_END -#define hb_mutex_impl_unlock(M) (*(M))--; -#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END - - -#else /* HB_NO_MT */ - -typedef int hb_mutex_impl_t; -#define HB_MUTEX_IMPL_INIT 0 -#define hb_mutex_impl_init(M) HB_STMT_START {} HB_STMT_END -#define hb_mutex_impl_lock(M) HB_STMT_START {} HB_STMT_END -#define hb_mutex_impl_unlock(M) HB_STMT_START {} HB_STMT_END -#define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END - - -#endif - - -#define HB_MUTEX_INIT {HB_MUTEX_IMPL_INIT} - -struct hb_mutex_t -{ - /* TODO Add tracing. */ - - 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 finish (void) { hb_mutex_impl_finish (&m); } -}; - - -#endif /* HB_MUTEX_PRIVATE_HH */ |