Repo created

TMessagesProj/jni/voip/webrtc/base/profiler/stack_copier_signal.h

@@ -0,0 +1,39 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_PROFILER_STACK_COPIER_SIGNAL_H_
+#define BASE_PROFILER_STACK_COPIER_SIGNAL_H_
+
+#include <memory>
+
+#include "base/base_export.h"
+#include "base/profiler/stack_copier.h"
+
+namespace base {
+
+class ThreadDelegate;
+
+// Supports stack copying on platforms where a signal must be delivered to the
+// profiled thread and the stack is copied from the signal handler.
+class BASE_EXPORT StackCopierSignal : public StackCopier {
+ public:
+  StackCopierSignal(std::unique_ptr<ThreadDelegate> thread_delegate);
+  ~StackCopierSignal() override;
+
+  // StackCopier:
+  bool CopyStack(StackBuffer* stack_buffer,
+                 uintptr_t* stack_top,
+                 TimeTicks* timestamp,
+                 RegisterContext* thread_context,
+                 Delegate* delegate) override;
+
+  using StackCopier::CopyStackContentsAndRewritePointers;
+
+ private:
+  std::unique_ptr<ThreadDelegate> thread_delegate_;
+};
+
+}  // namespace base
+
+#endif  // BASE_PROFILER_STACK_COPIER_SIGNAL_H_