// Copyright 2015 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CHROMIUMOS_WIDE_PROFILING_COMPAT_THREAD_H_
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#define CHROMIUMOS_WIDE_PROFILING_COMPAT_THREAD_H_
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namespace quipper {
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namespace compat {
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// The Thread implementation used by quipper implements this interface.
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class ThreadInterface {
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public:
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// Constructor signature should match this:
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// Thread(const string& name_prefix);
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virtual ~ThreadInterface() {}
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// Start the thread.
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virtual void Start() = 0;
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// quipper threads must be joined exactly once.
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virtual void Join() = 0;
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virtual pid_t tid() = 0;
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protected:
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// Thread body. Override this.
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virtual void Run() = 0;
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};
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// Synchronization tool that blocks waiting threads until notified to proceed by
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// another.
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class NotificationInterface {
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public:
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// Constructor signature should match this:
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// Notification();
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virtual ~NotificationInterface() {}
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// Wait for Notify() to be called.
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virtual void Wait() = 0;
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// Wait for up to |timeout_ms| for a notification. Returns true if the
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// event was signaled. Returning false does not necessarily mean |timout_ms|
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// has passed.
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virtual bool WaitWithTimeout(int timeout_ms) = 0;
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// Trigger the notification, and wake up any waiting threads.
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virtual void Notify() = 0;
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};
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} // namespace compat
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} // namespace quipper
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#include "detail/thread.h"
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#endif // CHROMIUMOS_WIDE_PROFILING_COMPAT_THREAD_H_
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