2 * Copyright 2011-2015 Samy Al Bahra.
3 * Copyright 2011 David Joseph.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <ck_spinlock.h>
33 struct ck_barrier_centralized {
37 typedef struct ck_barrier_centralized ck_barrier_centralized_t;
39 struct ck_barrier_centralized_state {
42 typedef struct ck_barrier_centralized_state ck_barrier_centralized_state_t;
44 #define CK_BARRIER_CENTRALIZED_INITIALIZER {0, 0}
45 #define CK_BARRIER_CENTRALIZED_STATE_INITIALIZER {0}
47 void ck_barrier_centralized(ck_barrier_centralized_t *,
48 ck_barrier_centralized_state_t *, unsigned int);
50 struct ck_barrier_combining_group {
54 struct ck_barrier_combining_group *parent;
55 struct ck_barrier_combining_group *left;
56 struct ck_barrier_combining_group *right;
57 struct ck_barrier_combining_group *next;
59 typedef struct ck_barrier_combining_group ck_barrier_combining_group_t;
61 struct ck_barrier_combining_state {
64 typedef struct ck_barrier_combining_state ck_barrier_combining_state_t;
66 #define CK_BARRIER_COMBINING_STATE_INITIALIZER {~0}
68 struct ck_barrier_combining {
69 struct ck_barrier_combining_group *root;
70 ck_spinlock_fas_t mutex;
72 typedef struct ck_barrier_combining ck_barrier_combining_t;
74 void ck_barrier_combining_init(ck_barrier_combining_t *, ck_barrier_combining_group_t *);
76 void ck_barrier_combining_group_init(ck_barrier_combining_t *,
77 ck_barrier_combining_group_t *, unsigned int);
79 void ck_barrier_combining(ck_barrier_combining_t *,
80 ck_barrier_combining_group_t *,
81 ck_barrier_combining_state_t *);
83 struct ck_barrier_dissemination_flag {
87 typedef struct ck_barrier_dissemination_flag ck_barrier_dissemination_flag_t;
89 struct ck_barrier_dissemination {
93 struct ck_barrier_dissemination_flag *flags[2];
95 typedef struct ck_barrier_dissemination ck_barrier_dissemination_t;
97 struct ck_barrier_dissemination_state {
102 typedef struct ck_barrier_dissemination_state ck_barrier_dissemination_state_t;
104 void ck_barrier_dissemination_init(ck_barrier_dissemination_t *,
105 ck_barrier_dissemination_flag_t **, unsigned int);
107 void ck_barrier_dissemination_subscribe(ck_barrier_dissemination_t *,
108 ck_barrier_dissemination_state_t *);
110 unsigned int ck_barrier_dissemination_size(unsigned int);
112 void ck_barrier_dissemination(ck_barrier_dissemination_t *,
113 ck_barrier_dissemination_state_t *);
115 struct ck_barrier_tournament_round {
117 unsigned int *opponent;
120 typedef struct ck_barrier_tournament_round ck_barrier_tournament_round_t;
122 struct ck_barrier_tournament {
125 struct ck_barrier_tournament_round **rounds;
127 typedef struct ck_barrier_tournament ck_barrier_tournament_t;
129 struct ck_barrier_tournament_state {
133 typedef struct ck_barrier_tournament_state ck_barrier_tournament_state_t;
135 void ck_barrier_tournament_subscribe(ck_barrier_tournament_t *,
136 ck_barrier_tournament_state_t *);
137 void ck_barrier_tournament_init(ck_barrier_tournament_t *,
138 ck_barrier_tournament_round_t **,
140 unsigned int ck_barrier_tournament_size(unsigned int);
141 void ck_barrier_tournament(ck_barrier_tournament_t *, ck_barrier_tournament_state_t *);
143 struct ck_barrier_mcs {
145 unsigned int *children[2];
146 unsigned int childnotready[4];
148 unsigned int havechild[4];
149 unsigned int *parent;
150 unsigned int parentsense;
152 typedef struct ck_barrier_mcs ck_barrier_mcs_t;
154 struct ck_barrier_mcs_state {
158 typedef struct ck_barrier_mcs_state ck_barrier_mcs_state_t;
160 void ck_barrier_mcs_init(ck_barrier_mcs_t *, unsigned int);
161 void ck_barrier_mcs_subscribe(ck_barrier_mcs_t *, ck_barrier_mcs_state_t *);
162 void ck_barrier_mcs(ck_barrier_mcs_t *, ck_barrier_mcs_state_t *);
164 #endif /* CK_BARRIER_H */