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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_SYSTEM_WAIT_FLAGS_STATE_H_ | 5 #ifndef MOJO_SYSTEM_WAIT_FLAGS_STATE_H_ |
| 6 #define MOJO_SYSTEM_WAIT_FLAGS_STATE_H_ | 6 #define MOJO_SYSTEM_WAIT_FLAGS_STATE_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "mojo/public/c/system/types.h" | 9 #include "mojo/public/c/system/types.h" |
| 10 #include "mojo/system/system_impl_export.h" | 10 #include "mojo/system/system_impl_export.h" |
| 11 | 11 |
| 12 namespace mojo { | 12 namespace mojo { |
| 13 namespace system { | 13 namespace system { |
| 14 | 14 |
| 15 // Just "add" some constructors and methods to the C struct |MojoWaitFlagsState| | 15 // Just "add" some constructors and methods to the C struct |MojoWaitFlagsState| |
| 16 // (for convenience). This should add no overhead. | 16 // (for convenience). This should add no overhead. |
| 17 struct MOJO_SYSTEM_IMPL_EXPORT WaitFlagsState : public MojoWaitFlagsState { | 17 struct MOJO_SYSTEM_IMPL_EXPORT WaitFlagsState : public MojoWaitFlagsState { |
| 18 WaitFlagsState() { | 18 WaitFlagsState() { |
| 19 satisfied_flags = MOJO_WAIT_FLAG_NONE; | 19 satisfied_signals = MOJO_WAIT_FLAG_NONE; |
| 20 satisfiable_flags = MOJO_WAIT_FLAG_NONE; | 20 satisfiable_signals = MOJO_WAIT_FLAG_NONE; |
| 21 } | 21 } |
| 22 WaitFlagsState(MojoWaitFlags satisfied, MojoWaitFlags satisfiable) { | 22 WaitFlagsState(MojoHandleSignals satisfied, MojoHandleSignals satisfiable) { |
| 23 satisfied_flags = satisfied; | 23 satisfied_signals = satisfied; |
| 24 satisfiable_flags = satisfiable; | 24 satisfiable_signals = satisfiable; |
| 25 } | 25 } |
| 26 | 26 |
| 27 bool equals(const WaitFlagsState& other) const { | 27 bool equals(const WaitFlagsState& other) const { |
| 28 return satisfied_flags == other.satisfied_flags && | 28 return satisfied_signals == other.satisfied_signals && |
| 29 satisfiable_flags == other.satisfiable_flags; | 29 satisfiable_signals == other.satisfiable_signals; |
| 30 } | 30 } |
| 31 | 31 |
| 32 bool satisfies(MojoWaitFlags flags) const { | 32 bool satisfies(MojoHandleSignals signals) const { |
| 33 return !!(satisfied_flags & flags); | 33 return !!(satisfied_signals & signals); |
| 34 } | 34 } |
| 35 | 35 |
| 36 bool can_satisfy(MojoWaitFlags flags) const { | 36 bool can_satisfy(MojoHandleSignals signals) const { |
| 37 return !!(satisfiable_flags & flags); | 37 return !!(satisfiable_signals & signals); |
| 38 } | 38 } |
| 39 | 39 |
| 40 // (Copy and assignment allowed.) | 40 // (Copy and assignment allowed.) |
| 41 }; | 41 }; |
| 42 COMPILE_ASSERT(sizeof(WaitFlagsState) == sizeof(MojoWaitFlagsState), | 42 COMPILE_ASSERT(sizeof(WaitFlagsState) == sizeof(MojoWaitFlagsState), |
| 43 WaitFlagsState_should_add_no_overhead); | 43 WaitFlagsState_should_add_no_overhead); |
| 44 | 44 |
| 45 } // namespace system | 45 } // namespace system |
| 46 } // namespace mojo | 46 } // namespace mojo |
| 47 | 47 |
| 48 #endif // MOJO_SYSTEM_WAIT_FLAGS_STATE_H_ | 48 #endif // MOJO_SYSTEM_WAIT_FLAGS_STATE_H_ |
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