autorelease message pumps

base/message_pump_libevent.cc

 // Copyright (c) 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.
 
 #include "base/message_pump_libevent.h"
 
+#include <fcntl.h>
+
 #include "base/logging.h"
+#include "base/scoped_nsautorelease_pool.h"
 #include "base/time.h"
 #include "third_party/libevent/event.h"
 
-#include <fcntl.h>
-
 namespace base {
 
 // Return 0 on success
 // Too small a function to bother putting in a library?
 static int SetNonBlocking(int fd)
 {
     int flags = fcntl(fd, F_GETFL, 0);
     if (-1 == flags)
       flags = 0;
     return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
@@ skipping 82 matching lines @@
 }
 
 // Reentrant!
 void MessagePumpLibevent::Run(Delegate* delegate) {
   DCHECK(keep_running_) << "Quit must have been called outside of Run!";
 
   bool old_in_run = in_run_;
   in_run_ = true;
 
   for (;;) {
+    ScopedNSAutoreleasePool autorelease_pool;
+
     bool did_work = delegate->DoWork();
     if (!keep_running_)
       break;
 
     did_work |= delegate->DoDelayedWork(&delayed_work_time_);
     if (!keep_running_)
       break;
 
     if (did_work)
       continue;
@@ skipping 45 matching lines @@
 
 void MessagePumpLibevent::ScheduleDelayedWork(const Time& delayed_work_time) {
   // We know that we can't be blocked on Wait right now since this method can
   // only be called on the same thread as Run, so we only need to update our
   // record of how long to sleep when we do sleep.
   delayed_work_time_ = delayed_work_time;
 }
 
 }  // namespace base