2 * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
5 * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
7 * Permission is hereby granted to use or copy this program for any
8 * purpose, provided the above notices are retained on all copies.
9 * Permission to modify the code and to distribute modified code is
10 * granted, provided the above notices are retained, and a notice that
11 * the code was modified is included with the above copyright notice.
13 * This example shows how to pop nodes from a wfstack.
19 #include <urcu/wfstack.h> /* Wait-free stack */
20 #include <urcu/compiler.h> /* For CAA_ARRAY_SIZE */
23 * Nodes populated into the stack.
26 int value
; /* Node content */
27 struct cds_wfs_node node
; /* Chaining in stack */
30 int main(int argc
, char **argv
)
32 int values
[] = { -5, 42, 36, 24, };
33 struct cds_wfs_stack mystack
; /* Stack */
37 cds_wfs_init(&mystack
);
42 for (i
= 0; i
< CAA_ARRAY_SIZE(values
); i
++) {
45 node
= malloc(sizeof(*node
));
51 cds_wfs_node_init(&node
->node
);
52 node
->value
= values
[i
];
53 cds_wfs_push(&mystack
, &node
->node
);
57 * Pop nodes from the stack, one by one, from newest to oldest.
59 printf("pop each mystack node:");
61 struct cds_wfs_node
*snode
;
64 snode
= cds_wfs_pop_blocking(&mystack
);
68 node
= caa_container_of(snode
, struct mynode
, node
);
69 printf(" %d", node
->value
);
74 cds_wfs_destroy(&mystack
);
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