mojo/edk/system/channel_endpoint_id.cc

   1 // Copyright 2014 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/edk/system/channel_endpoint_id.h"
   6
   7 #include "base/compiler_specific.h"
   8
   9 namespace mojo {
  10 namespace system {
  11
  12 STATIC_CONST_MEMBER_DEFINITION const uint32_t ChannelEndpointId::kRemoteFlag;
  13
  14 ChannelEndpointId LocalChannelEndpointIdGenerator::GetNext() {
  15   ChannelEndpointId rv = next_;
  16   next_.value_ = (next_.value_ + 1) & ~ChannelEndpointId::kRemoteFlag;
  17   // Skip over the invalid value, in case we wrap.
  18   if (!next_.is_valid())
  19     next_.value_++;
  20   return rv;
  21 }
  22
  23 ChannelEndpointId RemoteChannelEndpointIdGenerator::GetNext() {
  24   ChannelEndpointId rv = next_;
  25   next_.value_ = (next_.value_ + 1) | ChannelEndpointId::kRemoteFlag;
  26   return rv;
  27 }
  28
  29 }  // namespace system
  30 }  // namespace mojo