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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 #ifndef MOJO_EDK_SYSTEM_DISPATCHER_H_ | 5 #ifndef MOJO_EDK_SYSTEM_DISPATCHER_H_ |
6 #define MOJO_EDK_SYSTEM_DISPATCHER_H_ | 6 #define MOJO_EDK_SYSTEM_DISPATCHER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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263 MojoHandleSignals signals, | 263 MojoHandleSignals signals, |
264 uint32_t context, | 264 uint32_t context, |
265 HandleSignalsState* signals_state); | 265 HandleSignalsState* signals_state); |
266 virtual void RemoveAwakableImplNoLock(Awakable* awakable, | 266 virtual void RemoveAwakableImplNoLock(Awakable* awakable, |
267 HandleSignalsState* signals_state); | 267 HandleSignalsState* signals_state); |
268 | 268 |
269 // These implement the API used to serialize dispatchers (described below). | 269 // These implement the API used to serialize dispatchers (described below). |
270 // They will only be called on a dispatcher that's attached to and "owned" by | 270 // They will only be called on a dispatcher that's attached to and "owned" by |
271 // a |MessageInTransit|. See the non-"impl" versions for more information. | 271 // a |MessageInTransit|. See the non-"impl" versions for more information. |
272 // | 272 // |
273 // Note: |StartSerializeImplNoLock()| is actually called with |lock_| NOT | |
274 // held, since the dispatcher should only be accessible to the calling thread. | |
275 // On Debug builds, |EndSerializeAndCloseImplNoLock()| is called with |lock_| | |
276 // held, to satisfy any |lock_.AssertAcquired()| (e.g., in |CloseImplNoLock()| | |
277 // -- and anything it calls); disentangling those assertions is | |
278 // difficult/fragile, and would weaken our general checking of invariants. | |
279 // | |
280 // TODO(vtl): Consider making these pure virtual once most things support | 273 // TODO(vtl): Consider making these pure virtual once most things support |
281 // being passed over a message pipe. | 274 // being passed over a message pipe. |
282 virtual void StartSerializeImplNoLock(size_t* max_size, | 275 virtual void StartSerializeImplNoLock(size_t* max_size, |
283 size_t* max_platform_handles); | 276 size_t* max_platform_handles); |
284 virtual bool EndSerializeAndCloseImplNoLock( | 277 virtual bool EndSerializeAndCloseImplNoLock( |
285 void* destination, | 278 void* destination, |
286 size_t* actual_size, | 279 size_t* actual_size, |
287 PlatformHandleVector* platform_handles); | 280 PlatformHandleVector* platform_handles); |
288 | 281 |
289 // These are called before and after a dispatcher is being transported. i.e. | 282 // These are called before and after a dispatcher is being transported. i.e. |
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400 // So logging macros and |DCHECK_EQ()|, etc. work. | 393 // So logging macros and |DCHECK_EQ()|, etc. work. |
401 MOJO_SYSTEM_IMPL_EXPORT inline std::ostream& operator<<(std::ostream& out, | 394 MOJO_SYSTEM_IMPL_EXPORT inline std::ostream& operator<<(std::ostream& out, |
402 Dispatcher::Type type) { | 395 Dispatcher::Type type) { |
403 return out << static_cast<int>(type); | 396 return out << static_cast<int>(type); |
404 } | 397 } |
405 | 398 |
406 } // namespace edk | 399 } // namespace edk |
407 } // namespace mojo | 400 } // namespace mojo |
408 | 401 |
409 #endif // MOJO_EDK_SYSTEM_DISPATCHER_H_ | 402 #endif // MOJO_EDK_SYSTEM_DISPATCHER_H_ |
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