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
|
/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_SUPPORT_ALLOC_H
#define GRPC_SUPPORT_ALLOC_H
#include <stddef.h>
#include <grpc/impl/codegen/port_platform.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct gpr_allocation_functions {
void* (*malloc_fn)(size_t size);
void* (*zalloc_fn)(size_t size); /** if NULL, uses malloc_fn then memset */
void* (*realloc_fn)(void* ptr, size_t size);
void (*free_fn)(void* ptr);
} gpr_allocation_functions;
/** malloc.
* If size==0, always returns NULL. Otherwise this function never returns NULL.
* The pointer returned is suitably aligned for any kind of variable it could
* contain.
*/
GPRAPI void* gpr_malloc(size_t size);
/** like malloc, but zero all bytes before returning them */
GPRAPI void* gpr_zalloc(size_t size);
/** free */
GPRAPI void gpr_free(void* ptr);
/** realloc, never returns NULL */
GPRAPI void* gpr_realloc(void* p, size_t size);
/** aligned malloc, never returns NULL, will align to 1 << alignment_log */
GPRAPI void* gpr_malloc_aligned(size_t size, size_t alignment_log);
/** free memory allocated by gpr_malloc_aligned */
GPRAPI void gpr_free_aligned(void* ptr);
/** Request the family of allocation functions in \a functions be used. NOTE
* that this request will be honored in a *best effort* basis and that no
* guarantees are made about the default functions (eg, malloc) being called.
* The functions.free_fn implementation must be a no-op for NULL input. */
GPRAPI void gpr_set_allocation_functions(gpr_allocation_functions functions);
/** Return the family of allocation functions currently in effect. */
GPRAPI gpr_allocation_functions gpr_get_allocation_functions(void);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_SUPPORT_ALLOC_H */
|
