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85887b1cf5
R=iposva@google.com Review URL: https://codereview.chromium.org//23437046 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@33098 260f80e4-7a28-3924-810f-c04153c831b5
70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/code_observers.h"
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#include "platform/thread.h"
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#include "vm/os.h"
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namespace dart {
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Mutex* CodeObservers::mutex_ = NULL;
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intptr_t CodeObservers::observers_length_ = 0;
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CodeObserver** CodeObservers::observers_ = NULL;
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void CodeObservers::Register(CodeObserver* observer) {
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observers_length_++;
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observers_ = reinterpret_cast<CodeObserver**>(
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realloc(observers_, sizeof(observer) * observers_length_));
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if (observers_ == NULL) {
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FATAL("failed to grow code observers array");
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}
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observers_[observers_length_ - 1] = observer;
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}
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void CodeObservers::NotifyAll(const char* name,
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uword base,
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uword prologue_offset,
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uword size,
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bool optimized) {
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ASSERT(!AreActive() || (strlen(name) != 0));
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for (intptr_t i = 0; i < observers_length_; i++) {
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if (observers_[i]->IsActive()) {
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observers_[i]->Notify(name, base, prologue_offset, size, optimized);
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}
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}
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}
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bool CodeObservers::AreActive() {
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for (intptr_t i = 0; i < observers_length_; i++) {
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if (observers_[i]->IsActive()) return true;
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}
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return false;
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}
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void CodeObservers::DeleteAll() {
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for (intptr_t i = 0; i < observers_length_; i++) {
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delete observers_[i];
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}
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free(observers_);
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observers_length_ = 0;
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observers_ = NULL;
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}
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void CodeObservers::InitOnce() {
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ASSERT(mutex_ == NULL);
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mutex_ = new Mutex();
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ASSERT(mutex_ != NULL);
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OS::RegisterCodeObservers();
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}
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} // namespace dart
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