OLD | NEW |
| (Empty) |
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/environment/async_waiter.h> | |
9 | |
10 #include "mojo/public/cpp/bindings/callback.h" | |
11 #include "mojo/public/cpp/environment/environment.h" | |
12 #include "mojo/public/cpp/system/handle.h" | |
13 | |
14 namespace mojo { | |
15 | |
16 // A class that waits until a handle is ready and calls |callback| with the | |
17 // result. If the AsyncWaiter is deleted before the handle is ready, the wait is | |
18 // cancelled and the callback will not be called. | |
19 class AsyncWaiter { | |
20 public: | |
21 typedef mojo::Callback<void(MojoResult)> Callback; | |
22 | |
23 AsyncWaiter(Handle handle, | |
24 MojoHandleSignals signals, | |
25 const Callback& callback); | |
26 ~AsyncWaiter(); | |
27 | |
28 private: | |
29 static void WaitComplete(void* waiter, MojoResult result); | |
30 void WaitCompleteInternal(MojoResult result); | |
31 | |
32 const MojoAsyncWaiter* waiter_; | |
33 MojoAsyncWaitID id_; | |
34 const Callback callback_; | |
35 | |
36 MOJO_DISALLOW_COPY_AND_ASSIGN(AsyncWaiter); | |
37 }; | |
38 | |
39 } // namespace mojo | |
40 | |
41 #endif // MOJO_PUBLIC_CPP_ENVIRONMENT_ASYNC_WAITER_H_ | |
OLD | NEW |