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Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-atomic-private.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-atomic-private.hh | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-atomic-private.hh b/src/3rdparty/harfbuzz-ng/src/hb-atomic-private.hh deleted file mode 100644 index 9343840140..0000000000 --- a/src/3rdparty/harfbuzz-ng/src/hb-atomic-private.hh +++ /dev/null @@ -1,189 +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_ATOMIC_PRIVATE_HH -#define HB_ATOMIC_PRIVATE_HH - -#include "hb-private.hh" - - -/* atomic_int */ - -/* We need external help for these */ - -#if defined(hb_atomic_int_impl_add) \ - && defined(hb_atomic_ptr_impl_get) \ - && defined(hb_atomic_ptr_impl_cmpexch) - -/* Defined externally, i.e. in config.h; must have typedef'ed hb_atomic_int_impl_t as well. */ - - -#elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__)) - -#include <windows.h> - -/* MinGW has a convoluted history of supporting MemoryBarrier - * properly. As such, define a function to wrap the whole - * thing. */ -static inline void _HBMemoryBarrier (void) { -#if !defined(MemoryBarrier) - long dummy = 0; - InterlockedExchange (&dummy, 1); -#else - MemoryBarrier (); -#endif -} - -typedef LONG hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) InterlockedExchangeAdd (&(AI), (V)) - -#define hb_atomic_ptr_impl_get(P) (_HBMemoryBarrier (), (void *) *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) (InterlockedCompareExchangePointer ((void **) (P), (void *) (N), (void *) (O)) == (void *) (O)) - - -#elif !defined(HB_NO_MT) && defined(__APPLE__) - -#include <libkern/OSAtomic.h> -#ifdef __MAC_OS_X_MIN_REQUIRED -#include <AvailabilityMacros.h> -#elif defined(__IPHONE_OS_MIN_REQUIRED) -#include <Availability.h> -#endif - - -typedef int32_t hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) (OSAtomicAdd32Barrier ((V), &(AI)) - (V)) - -#define hb_atomic_ptr_impl_get(P) (OSMemoryBarrier (), (void *) *(P)) -#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || __IPHONE_VERSION_MIN_REQUIRED >= 20100) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P)) -#else -#if __ppc64__ || __x86_64__ || __aarch64__ -#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwap64Barrier ((int64_t) (void *) (O), (int64_t) (void *) (N), (int64_t*) (P)) -#else -#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwap32Barrier ((int32_t) (void *) (O), (int32_t) (void *) (N), (int32_t*) (P)) -#endif -#endif - - -#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES) - -typedef int hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) __sync_fetch_and_add (&(AI), (V)) - -#define hb_atomic_ptr_impl_get(P) (void *) (__sync_synchronize (), *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) __sync_bool_compare_and_swap ((P), (O), (N)) - - -#elif !defined(HB_NO_MT) && defined(HAVE_SOLARIS_ATOMIC_OPS) - -#include <atomic.h> -#include <mbarrier.h> - -typedef unsigned int hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) ( ({__machine_rw_barrier ();}), atomic_add_int_nv (&(AI), (V)) - (V)) - -#define hb_atomic_ptr_impl_get(P) ( ({__machine_rw_barrier ();}), (void *) *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) ( ({__machine_rw_barrier ();}), atomic_cas_ptr ((void **) (P), (void *) (O), (void *) (N)) == (void *) (O) ? true : false) - - -#elif !defined(HB_NO_MT) && defined(_AIX) && defined(__IBMCPP__) - -#include <builtins.h> - - -static inline int _hb_fetch_and_add(volatile int* AI, unsigned int V) { - __lwsync(); - int result = __fetch_and_add(AI, V); - __isync(); - return result; -} -static inline int _hb_compare_and_swaplp(volatile long* P, long O, long N) { - __sync(); - int result = __compare_and_swaplp (P, &O, N); - __sync(); - return result; -} - -typedef int hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) _hb_fetch_and_add (&(AI), (V)) - -#define hb_atomic_ptr_impl_get(P) (__sync(), (void *) *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) _hb_compare_and_swaplp ((long*)(P), (long)(O), (long)(N)) - -#elif !defined(HB_NO_MT) - -#define HB_ATOMIC_INT_NIL 1 /* Warn that fallback implementation is in use. */ - -typedef volatile int hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) (((AI) += (V)) - (V)) - -#define hb_atomic_ptr_impl_get(P) ((void *) *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) (* (void * volatile *) (P) == (void *) (O) ? (* (void * volatile *) (P) = (void *) (N), true) : false) - - -#else /* HB_NO_MT */ - -typedef int hb_atomic_int_impl_t; -#define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) (((AI) += (V)) - (V)) - -#define hb_atomic_ptr_impl_get(P) ((void *) *(P)) -#define hb_atomic_ptr_impl_cmpexch(P,O,N) (* (void **) (P) == (void *) (O) ? (* (void **) (P) = (void *) (N), true) : false) - - -#endif - - -#define HB_ATOMIC_INT_INIT(V) {HB_ATOMIC_INT_IMPL_INIT(V)} - -struct hb_atomic_int_t -{ - hb_atomic_int_impl_t v; - - inline void set_unsafe (int v_) { v = v_; } - inline int get_unsafe (void) const { return v; } - inline int inc (void) { return hb_atomic_int_impl_add (const_cast<hb_atomic_int_impl_t &> (v), 1); } - inline int dec (void) { return hb_atomic_int_impl_add (const_cast<hb_atomic_int_impl_t &> (v), -1); } -}; - - -#define hb_atomic_ptr_get(P) hb_atomic_ptr_impl_get(P) -#define hb_atomic_ptr_cmpexch(P,O,N) hb_atomic_ptr_impl_cmpexch((P),(O),(N)) - - -#endif /* HB_ATOMIC_PRIVATE_HH */ |