mojo/system/simple_dispatcher.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/system/simple_dispatcher.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace mojo {
  10 namespace system {
  11
  12 SimpleDispatcher::SimpleDispatcher() {
  13 }
  14
  15 SimpleDispatcher::~SimpleDispatcher() {
  16 }
  17
  18 void SimpleDispatcher::StateChangedNoLock() {
  19   lock().AssertAcquired();
  20   waiter_list_.AwakeWaitersForStateChange(SatisfiedFlagsNoLock(),
  21                                           SatisfiableFlagsNoLock());
  22 }
  23
  24 void SimpleDispatcher::CancelAllWaitersNoLock() {
  25   lock().AssertAcquired();
  26   waiter_list_.CancelAllWaiters();
  27 }
  28
  29 MojoResult SimpleDispatcher::AddWaiterImplNoLock(Waiter* waiter,
  30                                                  MojoWaitFlags flags,
  31                                                  MojoResult wake_result) {
  32   lock().AssertAcquired();
  33
  34   if ((flags & SatisfiedFlagsNoLock()))
  35     return MOJO_RESULT_ALREADY_EXISTS;
  36   if (!(flags & SatisfiableFlagsNoLock()))
  37     return MOJO_RESULT_FAILED_PRECONDITION;
  38
  39   waiter_list_.AddWaiter(waiter, flags, wake_result);
  40   return MOJO_RESULT_OK;
  41 }
  42
  43 void SimpleDispatcher::RemoveWaiterImplNoLock(Waiter* waiter) {
  44   lock().AssertAcquired();
  45   waiter_list_.RemoveWaiter(waiter);
  46 }
  47
  48 }  // namespace system
  49 }  // namespace mojo