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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/edk/system/data_pipe_producer_dispatcher.h"
#include "base/logging.h"
#include "mojo/edk/system/data_pipe.h"
#include "mojo/edk/system/memory.h"
namespace mojo {
namespace system {
DataPipeProducerDispatcher::DataPipeProducerDispatcher() {
}
void DataPipeProducerDispatcher::Init(scoped_refptr<DataPipe> data_pipe) {
DCHECK(data_pipe.get());
data_pipe_ = data_pipe;
}
Dispatcher::Type DataPipeProducerDispatcher::GetType() const {
return kTypeDataPipeProducer;
}
DataPipeProducerDispatcher::~DataPipeProducerDispatcher() {
// |Close()|/|CloseImplNoLock()| should have taken care of the pipe.
DCHECK(!data_pipe_.get());
}
void DataPipeProducerDispatcher::CancelAllWaitersNoLock() {
lock().AssertAcquired();
data_pipe_->ProducerCancelAllWaiters();
}
void DataPipeProducerDispatcher::CloseImplNoLock() {
lock().AssertAcquired();
data_pipe_->ProducerClose();
data_pipe_ = nullptr;
}
scoped_refptr<Dispatcher>
DataPipeProducerDispatcher::CreateEquivalentDispatcherAndCloseImplNoLock() {
lock().AssertAcquired();
scoped_refptr<DataPipeProducerDispatcher> rv =
new DataPipeProducerDispatcher();
rv->Init(data_pipe_);
data_pipe_ = nullptr;
return scoped_refptr<Dispatcher>(rv.get());
}
MojoResult DataPipeProducerDispatcher::WriteDataImplNoLock(
UserPointer<const void> elements,
UserPointer<uint32_t> num_bytes,
MojoWriteDataFlags flags) {
lock().AssertAcquired();
return data_pipe_->ProducerWriteData(
elements, num_bytes, (flags & MOJO_WRITE_DATA_FLAG_ALL_OR_NONE));
}
MojoResult DataPipeProducerDispatcher::BeginWriteDataImplNoLock(
UserPointer<void*> buffer,
UserPointer<uint32_t> buffer_num_bytes,
MojoWriteDataFlags flags) {
lock().AssertAcquired();
return data_pipe_->ProducerBeginWriteData(
buffer, buffer_num_bytes, (flags & MOJO_WRITE_DATA_FLAG_ALL_OR_NONE));
}
MojoResult DataPipeProducerDispatcher::EndWriteDataImplNoLock(
uint32_t num_bytes_written) {
lock().AssertAcquired();
return data_pipe_->ProducerEndWriteData(num_bytes_written);
}
HandleSignalsState DataPipeProducerDispatcher::GetHandleSignalsStateImplNoLock()
const {
lock().AssertAcquired();
return data_pipe_->ProducerGetHandleSignalsState();
}
MojoResult DataPipeProducerDispatcher::AddWaiterImplNoLock(
Waiter* waiter,
MojoHandleSignals signals,
uint32_t context,
HandleSignalsState* signals_state) {
lock().AssertAcquired();
return data_pipe_->ProducerAddWaiter(waiter, signals, context, signals_state);
}
void DataPipeProducerDispatcher::RemoveWaiterImplNoLock(
Waiter* waiter,
HandleSignalsState* signals_state) {
lock().AssertAcquired();
data_pipe_->ProducerRemoveWaiter(waiter, signals_state);
}
bool DataPipeProducerDispatcher::IsBusyNoLock() const {
lock().AssertAcquired();
return data_pipe_->ProducerIsBusy();
}
} // namespace system
} // namespace mojo
|
