| Index: include/core/SkMutex.h
|
| diff --git a/include/core/SkMutex.h b/include/core/SkMutex.h
|
| deleted file mode 100644
|
| index 77a00f02354074ab6b6635ffaba4d3b48746401d..0000000000000000000000000000000000000000
|
| --- a/include/core/SkMutex.h
|
| +++ /dev/null
|
| @@ -1,122 +0,0 @@
|
| -/*
|
| - * Copyright 2015 Google Inc.
|
| - *
|
| - * Use of this source code is governed by a BSD-style license that can be
|
| - * found in the LICENSE file.
|
| - */
|
| -
|
| -#ifndef SkMutex_DEFINED
|
| -#define SkMutex_DEFINED
|
| -
|
| -// This file is not part of the public Skia API.
|
| -#include "../private/SkSemaphore.h"
|
| -#include "SkTypes.h"
|
| -
|
| -#define SK_MUTEX_SEMAPHORE_INIT {1, {0}}
|
| -
|
| -#ifdef SK_DEBUG
|
| - #define SK_BASE_MUTEX_INIT {SK_MUTEX_SEMAPHORE_INIT, 0}
|
| -#else
|
| - #define SK_BASE_MUTEX_INIT {SK_MUTEX_SEMAPHORE_INIT}
|
| -#endif
|
| -
|
| -// Using POD-style initialization prevents the generation of a static initializer.
|
| -//
|
| -// Without magic statics there are no thread safety guarantees on initialization
|
| -// of local statics (even POD). As a result, it is illegal to use
|
| -// SK_DECLARE_STATIC_MUTEX in a function.
|
| -//
|
| -// Because SkBaseMutex is not a primitive, a static SkBaseMutex cannot be
|
| -// initialized in a class with this macro.
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| -#define SK_DECLARE_STATIC_MUTEX(name) namespace {} static SkBaseMutex name = SK_BASE_MUTEX_INIT;
|
| -
|
| -// TODO(herb): unify this with the ThreadID in SkSharedMutex.cpp.
|
| -#ifdef SK_DEBUG
|
| - #ifdef SK_BUILD_FOR_WIN
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| - #include <windows.h>
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| - inline int64_t sk_get_thread_id() { return GetCurrentThreadId(); }
|
| - #else
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| - #include <pthread.h>
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| - inline int64_t sk_get_thread_id() { return (int64_t)pthread_self(); }
|
| - #endif
|
| -#endif
|
| -
|
| -typedef int64_t SkThreadID;
|
| -
|
| -SkDEBUGCODE(static const SkThreadID kNoOwner = 0;)
|
| -
|
| -struct SkBaseMutex {
|
| - void acquire() {
|
| - fSemaphore.wait();
|
| - SkDEBUGCODE(fOwner = sk_get_thread_id();)
|
| - }
|
| -
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| - void release() {
|
| - this->assertHeld();
|
| - SkDEBUGCODE(fOwner = kNoOwner;)
|
| - fSemaphore.signal();
|
| - }
|
| -
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| - void assertHeld() {
|
| - SkASSERT(fOwner == sk_get_thread_id());
|
| - }
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| -
|
| - SkBaseSemaphore fSemaphore;
|
| - SkDEBUGCODE(SkThreadID fOwner;)
|
| -};
|
| -
|
| -// This needs to use subclassing instead of encapsulation to make SkAutoMutexAcquire to work.
|
| -class SkMutex : public SkBaseMutex {
|
| -public:
|
| - SkMutex () {
|
| - fSemaphore = SK_MUTEX_SEMAPHORE_INIT;
|
| - SkDEBUGCODE(fOwner = kNoOwner);
|
| - }
|
| - ~SkMutex () { fSemaphore.deleteSemaphore(); }
|
| - SkMutex(const SkMutex&) = delete;
|
| - SkMutex& operator=(const SkMutex&) = delete;
|
| -};
|
| -
|
| -template <typename Lock>
|
| -class SkAutoTAcquire : SkNoncopyable {
|
| -public:
|
| - explicit SkAutoTAcquire(Lock& mutex) : fMutex(&mutex) {
|
| - SkASSERT(fMutex != NULL);
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| - mutex.acquire();
|
| - }
|
| -
|
| - explicit SkAutoTAcquire(Lock* mutex) : fMutex(mutex) {
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| - if (mutex) {
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| - mutex->acquire();
|
| - }
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| - }
|
| -
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| - /** If the mutex has not been released, release it now. */
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| - ~SkAutoTAcquire() {
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| - if (fMutex) {
|
| - fMutex->release();
|
| - }
|
| - }
|
| -
|
| - /** If the mutex has not been released, release it now. */
|
| - void release() {
|
| - if (fMutex) {
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| - fMutex->release();
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| - fMutex = NULL;
|
| - }
|
| - }
|
| -
|
| - /** Assert that we're holding the mutex. */
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| - void assertHeld() {
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| - SkASSERT(fMutex);
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| - fMutex->assertHeld();
|
| - }
|
| -
|
| -private:
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| - Lock* fMutex;
|
| -};
|
| -
|
| -typedef SkAutoTAcquire<SkBaseMutex> SkAutoMutexAcquire;
|
| -#define SkAutoMutexAcquire(...) SK_REQUIRE_LOCAL_VAR(SkAutoMutexAcquire)
|
| -
|
| -#endif//SkMutex_DEFINED
|
|
|