Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A
R=andrew@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/event.h

@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_EVENT_H__
+#define WEBRTC_BASE_EVENT_H__
+
+#if defined(WEBRTC_WIN)
+#include "webrtc/base/win32.h"  // NOLINT: consider this a system header.
+#elif defined(WEBRTC_POSIX)
+#include <pthread.h>
+#else
+#error "Must define either WEBRTC_WIN or WEBRTC_POSIX."
+#endif
+
+#include "webrtc/base/basictypes.h"
+#include "webrtc/base/common.h"
+
+namespace rtc {
+
+class Event {
+ public:
+  Event(bool manual_reset, bool initially_signaled);
+  ~Event();
+
+  void Set();
+  void Reset();
+  bool Wait(int cms);
+
+ private:
+  bool is_manual_reset_;
+
+#if defined(WEBRTC_WIN)
+  bool is_initially_signaled_;
+  HANDLE event_handle_;
+#elif defined(WEBRTC_POSIX)
+  bool event_status_;
+  pthread_mutex_t event_mutex_;
+  pthread_cond_t event_cond_;
+#endif
+};
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_EVENT_H__