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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* Copyright 2011-2015 Samy Al Bahra.
* Copyright 2011 David Joseph.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef CK_BARRIER_H
#define CK_BARRIER_H
#include <ck_spinlock.h>
struct ck_barrier_centralized {
unsigned int value;
unsigned int sense;
};
typedef struct ck_barrier_centralized ck_barrier_centralized_t;
struct ck_barrier_centralized_state {
unsigned int sense;
};
typedef struct ck_barrier_centralized_state ck_barrier_centralized_state_t;
#define CK_BARRIER_CENTRALIZED_INITIALIZER {0, 0}
#define CK_BARRIER_CENTRALIZED_STATE_INITIALIZER {0}
void ck_barrier_centralized(ck_barrier_centralized_t *,
ck_barrier_centralized_state_t *, unsigned int);
struct ck_barrier_combining_group {
unsigned int k;
unsigned int count;
unsigned int sense;
struct ck_barrier_combining_group *parent;
struct ck_barrier_combining_group *left;
struct ck_barrier_combining_group *right;
struct ck_barrier_combining_group *next;
} CK_CC_CACHELINE;
typedef struct ck_barrier_combining_group ck_barrier_combining_group_t;
struct ck_barrier_combining_state {
unsigned int sense;
};
typedef struct ck_barrier_combining_state ck_barrier_combining_state_t;
#define CK_BARRIER_COMBINING_STATE_INITIALIZER {~0}
struct ck_barrier_combining {
struct ck_barrier_combining_group *root;
ck_spinlock_fas_t mutex;
};
typedef struct ck_barrier_combining ck_barrier_combining_t;
void ck_barrier_combining_init(ck_barrier_combining_t *, ck_barrier_combining_group_t *);
void ck_barrier_combining_group_init(ck_barrier_combining_t *,
ck_barrier_combining_group_t *, unsigned int);
void ck_barrier_combining(ck_barrier_combining_t *,
ck_barrier_combining_group_t *,
ck_barrier_combining_state_t *);
struct ck_barrier_dissemination_flag {
unsigned int tflag;
unsigned int *pflag;
};
typedef struct ck_barrier_dissemination_flag ck_barrier_dissemination_flag_t;
struct ck_barrier_dissemination {
unsigned int nthr;
unsigned int size;
unsigned int tid;
struct ck_barrier_dissemination_flag *flags[2];
};
typedef struct ck_barrier_dissemination ck_barrier_dissemination_t;
struct ck_barrier_dissemination_state {
int parity;
unsigned int sense;
unsigned int tid;
};
typedef struct ck_barrier_dissemination_state ck_barrier_dissemination_state_t;
void ck_barrier_dissemination_init(ck_barrier_dissemination_t *,
ck_barrier_dissemination_flag_t **, unsigned int);
void ck_barrier_dissemination_subscribe(ck_barrier_dissemination_t *,
ck_barrier_dissemination_state_t *);
unsigned int ck_barrier_dissemination_size(unsigned int);
void ck_barrier_dissemination(ck_barrier_dissemination_t *,
ck_barrier_dissemination_state_t *);
struct ck_barrier_tournament_round {
int role;
unsigned int *opponent;
unsigned int flag;
};
typedef struct ck_barrier_tournament_round ck_barrier_tournament_round_t;
struct ck_barrier_tournament {
unsigned int tid;
unsigned int size;
struct ck_barrier_tournament_round **rounds;
};
typedef struct ck_barrier_tournament ck_barrier_tournament_t;
struct ck_barrier_tournament_state {
unsigned int sense;
unsigned int vpid;
};
typedef struct ck_barrier_tournament_state ck_barrier_tournament_state_t;
void ck_barrier_tournament_subscribe(ck_barrier_tournament_t *,
ck_barrier_tournament_state_t *);
void ck_barrier_tournament_init(ck_barrier_tournament_t *,
ck_barrier_tournament_round_t **,
unsigned int);
unsigned int ck_barrier_tournament_size(unsigned int);
void ck_barrier_tournament(ck_barrier_tournament_t *, ck_barrier_tournament_state_t *);
struct ck_barrier_mcs {
unsigned int tid;
unsigned int *children[2];
unsigned int childnotready[4];
unsigned int dummy;
unsigned int havechild[4];
unsigned int *parent;
unsigned int parentsense;
};
typedef struct ck_barrier_mcs ck_barrier_mcs_t;
struct ck_barrier_mcs_state {
unsigned int sense;
unsigned int vpid;
};
typedef struct ck_barrier_mcs_state ck_barrier_mcs_state_t;
void ck_barrier_mcs_init(ck_barrier_mcs_t *, unsigned int);
void ck_barrier_mcs_subscribe(ck_barrier_mcs_t *, ck_barrier_mcs_state_t *);
void ck_barrier_mcs(ck_barrier_mcs_t *, ck_barrier_mcs_state_t *);
#endif /* CK_BARRIER_H */
|
