blob: c8042aa7453a13ca2130e274d283bc769046f5ad (
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
64
65
66
67
|
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HARDWARE_BUFFEREDTEXTOUTPUT_H
#define ANDROID_HARDWARE_BUFFEREDTEXTOUTPUT_H
#include "TextOutput.h"
#include <utils/threads.h>
#include <sys/uio.h>
// ---------------------------------------------------------------------------
namespace android {
namespace hardware {
class BufferedTextOutput : public TextOutput
{
public:
//** Flags for constructor */
enum {
MULTITHREADED = 0x0001
};
explicit BufferedTextOutput(uint32_t flags = 0);
virtual ~BufferedTextOutput();
virtual status_t print(const char* txt, size_t len);
virtual void moveIndent(int delta);
virtual void pushBundle();
virtual void popBundle();
protected:
virtual status_t writeLines(const struct iovec& vec, size_t N) = 0;
private:
struct BufferState;
struct ThreadState;
BufferState*getBuffer() const;
uint32_t mFlags;
const int32_t mSeq;
const int32_t mIndex;
Mutex mLock;
BufferState* mGlobalState;
};
// ---------------------------------------------------------------------------
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_BUFFEREDTEXTOUTPUT_H
|
