提交 ec3ba4b9 编写于 作者: B Behdad Esfahbod

Move atomic ops into their own header

上级 de087839
......@@ -15,6 +15,7 @@ lib_LTLIBRARIES = libharfbuzz.la
HBCFLAGS =
HBLIBS =
HBSOURCES = \
hb-atomic-private.hh \
hb-blob.cc \
hb-buffer-private.hh \
hb-buffer.cc \
......
/*
* 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_ATOMIC_PRIVATE_HH
#define HB_ATOMIC_PRIVATE_HH
#include "hb-private.hh"
/* atomic_int */
/* We need external help for these */
#if !defined(HB_NO_MT) && defined(HAVE_GLIB)
#include <glib.h>
typedef volatile int hb_atomic_int_t;
#if GLIB_CHECK_VERSION(2,29,5)
#define hb_atomic_int_add(AI, V) g_atomic_int_add (&(AI), V)
#else
#define hb_atomic_int_add(AI, V) g_atomic_int_exchange_and_add (&(AI), V)
#endif
#define hb_atomic_int_get(AI) g_atomic_int_get (&(AI))
#elif !defined(HB_NO_MT) && defined(_MSC_VER) && _MSC_VER >= 1600
#include <intrin.h>
typedef long hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) _InterlockedExchangeAdd (&(AI), V)
#define hb_atomic_int_get(AI) (_ReadBarrier (), (AI))
#elif !defined(HB_NO_MT) && defined(__APPLE__)
#include <libkern/OSAtomic.h>
typedef int32_t hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) (OSAtomicAdd32Barrier((V), &(AI)), (AI) - (V))
#define hb_atomic_int_get(AI) OSAtomicAdd32Barrier(0, &(AI))
#else
#define HB_ATOMIC_INT_NIL 1
typedef volatile int hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) ((AI) += (V), (AI) - (V))
#define hb_atomic_int_get(AI) (AI)
#endif
#endif /* HB_ATOMIC_PRIVATE_HH */
......@@ -35,7 +35,6 @@
#include "hb-private.hh"
/* mutex */
/* We need external help for these */
......
......@@ -34,10 +34,10 @@
#include "hb-private.hh"
#include "hb-atomic-private.hh"
#include "hb-mutex-private.hh"
/* Debug */
#ifndef HB_DEBUG_OBJECT
......@@ -45,49 +45,6 @@
#endif
/* atomic_int */
/* We need external help for these */
#if !defined(HB_NO_MT) && defined(HAVE_GLIB)
#include <glib.h>
typedef volatile int hb_atomic_int_t;
#if GLIB_CHECK_VERSION(2,29,5)
#define hb_atomic_int_add(AI, V) g_atomic_int_add (&(AI), V)
#else
#define hb_atomic_int_add(AI, V) g_atomic_int_exchange_and_add (&(AI), V)
#endif
#define hb_atomic_int_get(AI) g_atomic_int_get (&(AI))
#elif !defined(HB_NO_MT) && defined(_MSC_VER) && _MSC_VER >= 1600
#include <intrin.h>
typedef long hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) _InterlockedExchangeAdd (&(AI), V)
#define hb_atomic_int_get(AI) (_ReadBarrier (), (AI))
#elif !defined(HB_NO_MT) && defined(__APPLE__)
#include <libkern/OSAtomic.h>
typedef int32_t hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) (OSAtomicAdd32Barrier((V), &(AI)), (AI) - (V))
#define hb_atomic_int_get(AI) OSAtomicAdd32Barrier(0, &(AI))
#else
#define HB_ATOMIC_INT_NIL 1
typedef volatile int hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) ((AI) += (V), (AI) - (V))
#define hb_atomic_int_get(AI) (AI)
#endif
/* reference_count */
typedef struct {
......@@ -198,7 +155,7 @@ struct _hb_object_header_t {
inline void trace (const char *function) const {
if (unlikely (!this)) return;
/* XXX We cannot use DEBUG_MSG_FUNC here since that one currecntly only
* prints the class name and throughs away the template info. */
* prints the class name and throws away the template info. */
DEBUG_MSG (OBJECT, (void *) this,
"%s refcount=%d",
function,
......@@ -208,8 +165,6 @@ struct _hb_object_header_t {
};
/* object */
template <typename Type>
......@@ -260,7 +215,4 @@ static inline void *hb_object_get_user_data (Type *obj,
}
#endif /* HB_OBJECT_PRIVATE_HH */
......@@ -24,8 +24,8 @@
* Google Author(s): Behdad Esfahbod
*/
#include "hb-atomic-private.hh"
#include "hb-mutex-private.hh"
#include "hb-object-private.hh"
#if !defined(HB_NO_MT) && defined(HB_ATOMIC_INT_NIL)
......
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