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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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