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stack_lockfree.h
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1 /*
2 *
3 * Copyright 2015, Google Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
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18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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31 *
32 */
33
34 #ifndef GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
35 #define GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H
36
37 typedef struct gpr_stack_lockfree gpr_stack_lockfree;
38
39 /* This stack must specify the maximum number of entries to track.
40 The current implementation only allows up to 65534 entries */
41 gpr_stack_lockfree* gpr_stack_lockfree_create(int entries);
42 void gpr_stack_lockfree_destroy(gpr_stack_lockfree* stack);
43
44 /* Pass in a valid entry number for the next stack entry */
45 /* Returns 1 if this is the first element on the stack, 0 otherwise */
46 int gpr_stack_lockfree_push(gpr_stack_lockfree*, int entry);
47
48 /* Returns -1 on empty or the actual entry number */
49 int gpr_stack_lockfree_pop(gpr_stack_lockfree* stack);
50
51 #endif /* GRPC_INTERNAL_CORE_SUPPORT_STACK_LOCKFREE_H */
gpr_stack_lockfree
Definition: stack_lockfree.c:72
gpr_stack_lockfree_destroy
void gpr_stack_lockfree_destroy(gpr_stack_lockfree *stack)
Definition: stack_lockfree.c:105
gpr_stack_lockfree_create
gpr_stack_lockfree * gpr_stack_lockfree_create(int entries)
Definition: stack_lockfree.c:82
gpr_stack_lockfree_push
int gpr_stack_lockfree_push(gpr_stack_lockfree *, int entry)
Definition: stack_lockfree.c:110
gpr_stack_lockfree::entries
lockfree_node * entries
Definition: stack_lockfree.c:73
gpr_stack_lockfree_pop
int gpr_stack_lockfree_pop(gpr_stack_lockfree *stack)
Definition: stack_lockfree.c:148