blob: c460fb7854ab6cd75426e240cc5aa26d3cf5c65d (
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
|
/**
* Copyright (C) ARM Limited 2013. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef BUFFER_H
#define BUFFER_H
#include <stddef.h>
#include <stdint.h>
#include <semaphore.h>
#define GATOR_LIVE
class Sender;
class Buffer {
public:
static const size_t MAXSIZE_PACK32 = 5;
static const size_t MAXSIZE_PACK64 = 10;
Buffer (int32_t core, int32_t buftype, const int size, sem_t *const readerSem);
~Buffer ();
void write (Sender * sender);
int bytesAvailable () const;
void commit (const uint64_t time);
void check (const uint64_t time);
void frame ();
bool eventHeader (uint64_t curr_time);
void event (int32_t key, int32_t value);
void event64 (int64_t key, int64_t value);
void setDone ();
bool isDone () const;
private:
bool commitReady () const;
bool checkSpace (int bytes);
void packInt (int32_t x);
void packInt64 (int64_t x);
const int32_t core;
const int32_t buftype;
const int size;
int readPos;
int writePos;
int commitPos;
bool available;
bool done;
char *const buf;
#ifdef GATOR_LIVE
uint64_t commitTime;
#endif
sem_t *const readerSem;
};
#endif // BUFFER_H
|