POSIX: Get IPCSyncChannel unittests working

base/waitable_event.h

 // Copyright (c) 2006-2008 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_WAITABLE_EVENT_H_
 #define BASE_WAITABLE_EVENT_H_
 
 #include "base/basictypes.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #if defined(OS_POSIX)
 #include <list>
 #include <utility>
 #include "base/condition_variable.h"
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #endif
 
 #include "base/message_loop.h"
 
 namespace base {
 
+// This replaces INFINITE from Win32
+static const int kNoTimeout = -1;
+
 class TimeDelta;
 
 // A WaitableEvent can be a useful thread synchronization tool when you want to
 // allow one thread to wait for another thread to finish some work. For
 // non-Windows systems, this can only be used from within a single address
 // space.
 //
 // Use a WaitableEvent when you would otherwise use a Lock+ConditionVariable to
 // protect a simple boolean value.  However, if you find yourself using a
 // WaitableEvent in conjunction with a Lock to wait for a more complex state
@@ skipping 108 matching lines @@
   const bool manual_reset_;
   std::list<Waiter*> waiters_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(WaitableEvent);
 };
 
 }  // namespace base
 
 #endif  // BASE_WAITABLE_EVENT_H_