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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_HANDLE_SIGNALS_STATE_H_ | 5 #ifndef MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_ |
6 #define MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_ | 6 #define MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_ |
7 | 7 |
8 #include "mojo/public/cpp/system/handle_signals_state.h" | 8 #include "mojo/edk/system/system_impl_export.h" |
| 9 #include "mojo/public/c/system/types.h" |
9 | 10 |
10 // TODO(rockot): Remove this header and use the C++ system library type | 11 namespace mojo { |
11 // directly inside the EDK. | 12 namespace edk { |
| 13 |
| 14 // Just "add" some constructors and methods to the C struct |
| 15 // |MojoHandleSignalsState| (for convenience). This should add no overhead. |
| 16 struct MOJO_SYSTEM_IMPL_EXPORT HandleSignalsState final |
| 17 : public MojoHandleSignalsState { |
| 18 HandleSignalsState() { |
| 19 satisfied_signals = MOJO_HANDLE_SIGNAL_NONE; |
| 20 satisfiable_signals = MOJO_HANDLE_SIGNAL_NONE; |
| 21 } |
| 22 HandleSignalsState(MojoHandleSignals satisfied, |
| 23 MojoHandleSignals satisfiable) { |
| 24 satisfied_signals = satisfied; |
| 25 satisfiable_signals = satisfiable; |
| 26 } |
| 27 |
| 28 bool equals(const HandleSignalsState& other) const { |
| 29 return satisfied_signals == other.satisfied_signals && |
| 30 satisfiable_signals == other.satisfiable_signals; |
| 31 } |
| 32 |
| 33 bool satisfies(MojoHandleSignals signals) const { |
| 34 return !!(satisfied_signals & signals); |
| 35 } |
| 36 |
| 37 bool can_satisfy(MojoHandleSignals signals) const { |
| 38 return !!(satisfiable_signals & signals); |
| 39 } |
| 40 |
| 41 // (Copy and assignment allowed.) |
| 42 }; |
| 43 static_assert(sizeof(HandleSignalsState) == sizeof(MojoHandleSignalsState), |
| 44 "HandleSignalsState should add no overhead"); |
| 45 |
| 46 } // namespace edk |
| 47 } // namespace mojo |
12 | 48 |
13 #endif // MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_ | 49 #endif // MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_ |
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