blob: 073d5bffac9b0f8d94eed3a852f11e62792d0b23 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright 2014 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_ASYNCINVOKER_INL_H_
#define RTC_BASE_ASYNCINVOKER_INL_H_
#include "rtc_base/bind.h"
#include "rtc_base/criticalsection.h"
#include "rtc_base/event.h"
#include "rtc_base/messagehandler.h"
#include "rtc_base/refcountedobject.h"
#include "rtc_base/scoped_ref_ptr.h"
#include "rtc_base/sigslot.h"
#include "rtc_base/thread.h"
#include "rtc_base/thread_annotations.h"
namespace rtc {
class AsyncInvoker;
// Helper class for AsyncInvoker. Runs a task and triggers a callback
// on the calling thread if necessary.
class AsyncClosure {
public:
explicit AsyncClosure(AsyncInvoker* invoker);
virtual ~AsyncClosure();
// Runs the asynchronous task, and triggers a callback to the calling
// thread if needed. Should be called from the target thread.
virtual void Execute() = 0;
protected:
AsyncInvoker* invoker_;
// Reference counted so that if the AsyncInvoker destructor finishes before
// an AsyncClosure's destructor that's about to call
// "invocation_complete_->Set()", it's not dereferenced after being
// destroyed.
scoped_refptr<RefCountedObject<Event>> invocation_complete_;
};
// Simple closure that doesn't trigger a callback for the calling thread.
template <class FunctorT>
class FireAndForgetAsyncClosure : public AsyncClosure {
public:
explicit FireAndForgetAsyncClosure(AsyncInvoker* invoker,
const FunctorT& functor)
: AsyncClosure(invoker), functor_(functor) {}
virtual void Execute() {
functor_();
}
private:
FunctorT functor_;
};
} // namespace rtc
#endif // RTC_BASE_ASYNCINVOKER_INL_H_
|
