1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include <grpc/support/alloc.h>
22
23 #include <grpc/support/log.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include "src/core/lib/profiling/timers.h"
27
gpr_malloc(size_t size)28 void* gpr_malloc(size_t size) {
29 GPR_TIMER_SCOPE("gpr_malloc", 0);
30 void* p;
31 if (size == 0) return nullptr;
32 p = malloc(size);
33 if (!p) {
34 abort();
35 }
36 return p;
37 }
38
gpr_zalloc(size_t size)39 void* gpr_zalloc(size_t size) {
40 GPR_TIMER_SCOPE("gpr_zalloc", 0);
41 void* p;
42 if (size == 0) return nullptr;
43 p = calloc(size, 1);
44 if (!p) {
45 abort();
46 }
47 return p;
48 }
49
gpr_free(void * p)50 void gpr_free(void* p) {
51 GPR_TIMER_SCOPE("gpr_free", 0);
52 free(p);
53 }
54
gpr_realloc(void * p,size_t size)55 void* gpr_realloc(void* p, size_t size) {
56 GPR_TIMER_SCOPE("gpr_realloc", 0);
57 if ((size == 0) && (p == nullptr)) return nullptr;
58 p = realloc(p, size);
59 if (!p) {
60 abort();
61 }
62 return p;
63 }
64
gpr_malloc_aligned(size_t size,size_t alignment)65 void* gpr_malloc_aligned(size_t size, size_t alignment) {
66 GPR_ASSERT(((alignment - 1) & alignment) == 0); // Must be power of 2.
67 size_t extra = alignment - 1 + sizeof(void*);
68 void* p = gpr_malloc(size + extra);
69 void** ret = reinterpret_cast<void**>(
70 (reinterpret_cast<uintptr_t>(p) + extra) & ~(alignment - 1));
71 ret[-1] = p;
72 return ret;
73 }
74
gpr_free_aligned(void * ptr)75 void gpr_free_aligned(void* ptr) { gpr_free((static_cast<void**>(ptr))[-1]); }
76