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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/core_impl.h" | 5 #include "mojo/system/core_impl.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
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141 return MOJO_RESULT_INVALID_ARGUMENT; | 141 return MOJO_RESULT_INVALID_ARGUMENT; |
142 if (!VerifyUserPointer<MojoWaitFlags>(flags, num_handles)) | 142 if (!VerifyUserPointer<MojoWaitFlags>(flags, num_handles)) |
143 return MOJO_RESULT_INVALID_ARGUMENT; | 143 return MOJO_RESULT_INVALID_ARGUMENT; |
144 if (num_handles < 1) | 144 if (num_handles < 1) |
145 return MOJO_RESULT_INVALID_ARGUMENT; | 145 return MOJO_RESULT_INVALID_ARGUMENT; |
146 if (num_handles > kMaxWaitManyNumHandles) | 146 if (num_handles > kMaxWaitManyNumHandles) |
147 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 147 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
148 return WaitManyInternal(handles, flags, num_handles, deadline); | 148 return WaitManyInternal(handles, flags, num_handles, deadline); |
149 } | 149 } |
150 | 150 |
151 MojoResult CoreImpl::CreateMessagePipe(MojoHandle* message_pipe_handle_0, | 151 MojoResult CoreImpl::CreateMessagePipe(MojoHandle* message_pipe_handle0, |
152 MojoHandle* message_pipe_handle_1) { | 152 MojoHandle* message_pipe_handle1) { |
153 if (!VerifyUserPointer<MojoHandle>(message_pipe_handle_0, 1)) | 153 if (!VerifyUserPointer<MojoHandle>(message_pipe_handle0, 1)) |
154 return MOJO_RESULT_INVALID_ARGUMENT; | 154 return MOJO_RESULT_INVALID_ARGUMENT; |
155 if (!VerifyUserPointer<MojoHandle>(message_pipe_handle_1, 1)) | 155 if (!VerifyUserPointer<MojoHandle>(message_pipe_handle1, 1)) |
156 return MOJO_RESULT_INVALID_ARGUMENT; | 156 return MOJO_RESULT_INVALID_ARGUMENT; |
157 | 157 |
158 scoped_refptr<MessagePipeDispatcher> dispatcher_0( | 158 scoped_refptr<MessagePipeDispatcher> dispatcher_0( |
159 new MessagePipeDispatcher()); | 159 new MessagePipeDispatcher()); |
160 scoped_refptr<MessagePipeDispatcher> dispatcher_1( | 160 scoped_refptr<MessagePipeDispatcher> dispatcher_1( |
161 new MessagePipeDispatcher()); | 161 new MessagePipeDispatcher()); |
162 | 162 |
163 MojoHandle h0, h1; | 163 MojoHandle h0, h1; |
164 { | 164 { |
165 base::AutoLock locker(handle_table_lock_); | 165 base::AutoLock locker(handle_table_lock_); |
166 | 166 |
167 h0 = AddDispatcherNoLock(dispatcher_0); | 167 h0 = AddDispatcherNoLock(dispatcher_0); |
168 if (h0 == MOJO_HANDLE_INVALID) | 168 if (h0 == MOJO_HANDLE_INVALID) |
169 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 169 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
170 | 170 |
171 h1 = AddDispatcherNoLock(dispatcher_1); | 171 h1 = AddDispatcherNoLock(dispatcher_1); |
172 if (h1 == MOJO_HANDLE_INVALID) { | 172 if (h1 == MOJO_HANDLE_INVALID) { |
173 handle_table_.erase(h0); | 173 handle_table_.erase(h0); |
174 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 174 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
175 } | 175 } |
176 } | 176 } |
177 | 177 |
178 scoped_refptr<MessagePipe> message_pipe(new MessagePipe()); | 178 scoped_refptr<MessagePipe> message_pipe(new MessagePipe()); |
179 dispatcher_0->Init(message_pipe, 0); | 179 dispatcher_0->Init(message_pipe, 0); |
180 dispatcher_1->Init(message_pipe, 1); | 180 dispatcher_1->Init(message_pipe, 1); |
181 | 181 |
182 *message_pipe_handle_0 = h0; | 182 *message_pipe_handle0 = h0; |
183 *message_pipe_handle_1 = h1; | 183 *message_pipe_handle1 = h1; |
184 return MOJO_RESULT_OK; | 184 return MOJO_RESULT_OK; |
185 } | 185 } |
186 | 186 |
187 MojoResult CoreImpl::WriteMessage(MojoHandle message_pipe_handle, | 187 MojoResult CoreImpl::WriteMessage(MojoHandle message_pipe_handle, |
188 const void* bytes, | 188 const void* bytes, |
189 uint32_t num_bytes, | 189 uint32_t num_bytes, |
190 const MojoHandle* handles, | 190 const MojoHandle* handles, |
191 uint32_t num_handles, | 191 uint32_t num_handles, |
192 MojoWriteMessageFlags flags) { | 192 MojoWriteMessageFlags flags) { |
193 scoped_refptr<Dispatcher> dispatcher(GetDispatcher(message_pipe_handle)); | 193 scoped_refptr<Dispatcher> dispatcher(GetDispatcher(message_pipe_handle)); |
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563 // |Wait()|/|WaitMany()| call. (Only after doing this can |waiter| be | 563 // |Wait()|/|WaitMany()| call. (Only after doing this can |waiter| be |
564 // destroyed, but this would still be required if the waiter were in TLS.) | 564 // destroyed, but this would still be required if the waiter were in TLS.) |
565 for (i = 0; i < num_added; i++) | 565 for (i = 0; i < num_added; i++) |
566 dispatchers[i]->RemoveWaiter(&waiter); | 566 dispatchers[i]->RemoveWaiter(&waiter); |
567 | 567 |
568 return rv; | 568 return rv; |
569 } | 569 } |
570 | 570 |
571 } // namespace system | 571 } // namespace system |
572 } // namespace mojo | 572 } // namespace mojo |
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