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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "mojo/system/local_message_pipe_endpoint.h" | 5 #include "mojo/system/local_message_pipe_endpoint.h" |
| 6 | 6 |
| 7 #include <string.h> | 7 #include <string.h> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "mojo/system/dispatcher.h" | 10 #include "mojo/system/dispatcher.h" |
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| 121 } | 121 } |
| 122 } | 122 } |
| 123 | 123 |
| 124 if (!enough_space) | 124 if (!enough_space) |
| 125 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 125 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
| 126 | 126 |
| 127 return MOJO_RESULT_OK; | 127 return MOJO_RESULT_OK; |
| 128 } | 128 } |
| 129 | 129 |
| 130 MojoResult LocalMessagePipeEndpoint::AddWaiter(Waiter* waiter, | 130 MojoResult LocalMessagePipeEndpoint::AddWaiter(Waiter* waiter, |
| 131 MojoWaitFlags flags, | 131 MojoHandleSignals signals, |
| 132 uint32_t context) { | 132 uint32_t context) { |
| 133 DCHECK(is_open_); | 133 DCHECK(is_open_); |
| 134 | 134 |
| 135 WaitFlagsState state = GetWaitFlagsState(); | 135 WaitFlagsState state = GetWaitFlagsState(); |
| 136 if (state.satisfies(flags)) | 136 if (state.satisfies(signals)) |
| 137 return MOJO_RESULT_ALREADY_EXISTS; | 137 return MOJO_RESULT_ALREADY_EXISTS; |
| 138 if (!state.can_satisfy(flags)) | 138 if (!state.can_satisfy(signals)) |
| 139 return MOJO_RESULT_FAILED_PRECONDITION; | 139 return MOJO_RESULT_FAILED_PRECONDITION; |
| 140 | 140 |
| 141 waiter_list_.AddWaiter(waiter, flags, context); | 141 waiter_list_.AddWaiter(waiter, signals, context); |
| 142 return MOJO_RESULT_OK; | 142 return MOJO_RESULT_OK; |
| 143 } | 143 } |
| 144 | 144 |
| 145 void LocalMessagePipeEndpoint::RemoveWaiter(Waiter* waiter) { | 145 void LocalMessagePipeEndpoint::RemoveWaiter(Waiter* waiter) { |
| 146 DCHECK(is_open_); | 146 DCHECK(is_open_); |
| 147 waiter_list_.RemoveWaiter(waiter); | 147 waiter_list_.RemoveWaiter(waiter); |
| 148 } | 148 } |
| 149 | 149 |
| 150 WaitFlagsState LocalMessagePipeEndpoint::GetWaitFlagsState() { | 150 WaitFlagsState LocalMessagePipeEndpoint::GetWaitFlagsState() { |
| 151 WaitFlagsState rv; | 151 WaitFlagsState rv; |
| 152 if (!message_queue_.IsEmpty()) { | 152 if (!message_queue_.IsEmpty()) { |
| 153 rv.satisfied_flags |= MOJO_WAIT_FLAG_READABLE; | 153 rv.satisfied_signals |= MOJO_WAIT_FLAG_READABLE; |
| 154 rv.satisfiable_flags |= MOJO_WAIT_FLAG_READABLE; | 154 rv.satisfiable_signals |= MOJO_WAIT_FLAG_READABLE; |
| 155 } | 155 } |
| 156 if (is_peer_open_) { | 156 if (is_peer_open_) { |
| 157 rv.satisfied_flags |= MOJO_WAIT_FLAG_WRITABLE; | 157 rv.satisfied_signals |= MOJO_WAIT_FLAG_WRITABLE; |
| 158 rv.satisfiable_flags |= MOJO_WAIT_FLAG_READABLE | MOJO_WAIT_FLAG_WRITABLE; | 158 rv.satisfiable_signals |= MOJO_WAIT_FLAG_READABLE | MOJO_WAIT_FLAG_WRITABLE; |
| 159 } | 159 } |
| 160 return rv; | 160 return rv; |
| 161 } | 161 } |
| 162 | 162 |
| 163 } // namespace system | 163 } // namespace system |
| 164 } // namespace mojo | 164 } // namespace mojo |
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