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Side by Side Diff: mojo/edk/system/handle_signals_state.h

Issue 623883002: Revert "Move mojo edk into mojo/edk" (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 2 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
6 #define MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
7
8 #include "base/macros.h"
9 #include "mojo/edk/system/system_impl_export.h"
10 #include "mojo/public/c/system/types.h"
11
12 namespace mojo {
13 namespace system {
14
15 // Just "add" some constructors and methods to the C struct
16 // |MojoHandleSignalsState| (for convenience). This should add no overhead.
17 struct MOJO_SYSTEM_IMPL_EXPORT HandleSignalsState
18 : public MojoHandleSignalsState {
19 HandleSignalsState() {
20 satisfied_signals = MOJO_HANDLE_SIGNAL_NONE;
21 satisfiable_signals = MOJO_HANDLE_SIGNAL_NONE;
22 }
23 HandleSignalsState(MojoHandleSignals satisfied,
24 MojoHandleSignals satisfiable) {
25 satisfied_signals = satisfied;
26 satisfiable_signals = satisfiable;
27 }
28
29 bool equals(const HandleSignalsState& other) const {
30 return satisfied_signals == other.satisfied_signals &&
31 satisfiable_signals == other.satisfiable_signals;
32 }
33
34 bool satisfies(MojoHandleSignals signals) const {
35 return !!(satisfied_signals & signals);
36 }
37
38 bool can_satisfy(MojoHandleSignals signals) const {
39 return !!(satisfiable_signals & signals);
40 }
41
42 // (Copy and assignment allowed.)
43 };
44 static_assert(sizeof(HandleSignalsState) == sizeof(MojoHandleSignalsState),
45 "HandleSignalsState should add no overhead");
46
47 } // namespace system
48 } // namespace mojo
49
50 #endif // MOJO_EDK_SYSTEM_HANDLE_SIGNALS_STATE_H_
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