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Side by Side Diff: mojo/public/cpp/environment/async_waiter.h

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 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_PUBLIC_CPP_ENVIRONMENT_ASYNC_WAITER_H_
6 #define MOJO_PUBLIC_CPP_ENVIRONMENT_ASYNC_WAITER_H_
7
8 #include "mojo/public/c/environment/async_waiter.h"
9 #include "mojo/public/cpp/bindings/callback.h"
10 #include "mojo/public/cpp/environment/environment.h"
11 #include "mojo/public/cpp/system/handle.h"
12
13 namespace mojo {
14
15 // A class that waits until a handle is ready and calls |callback| with the
16 // result. If the AsyncWaiter is deleted before the handle is ready, the wait is
17 // cancelled and the callback will not be called.
18 class AsyncWaiter {
19 public:
20 typedef mojo::Callback<void(MojoResult)> Callback;
21
22 AsyncWaiter(Handle handle,
23 MojoHandleSignals signals,
24 const Callback& callback);
25 ~AsyncWaiter();
26
27 private:
28 static void WaitComplete(void* waiter, MojoResult result);
29 void WaitCompleteInternal(MojoResult result);
30
31 const MojoAsyncWaiter* waiter_;
32 MojoAsyncWaitID id_;
33 const Callback callback_;
34
35 MOJO_DISALLOW_COPY_AND_ASSIGN(AsyncWaiter);
36 };
37
38 } // namespace mojo
39
40 #endif // MOJO_PUBLIC_CPP_ENVIRONMENT_ASYNC_WAITER_H_
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