Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 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. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <grpc/support/alloc.h> |
| 35 | |
David Garcia Quintas | f80b536 | 2015-12-09 11:34:51 -0800 | [diff] [blame] | 36 | #include <grpc/support/log.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 37 | #include <grpc/support/port_platform.h> |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 38 | #include <stdlib.h> |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 39 | #include <string.h> |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 40 | #include "src/core/lib/profiling/timers.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 41 | |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 42 | static void *zalloc_with_calloc(size_t sz) { return calloc(sz, 1); } |
| 43 | |
| 44 | static void *zalloc_with_gpr_malloc(size_t sz) { |
| 45 | void *p = gpr_malloc(sz); |
| 46 | memset(p, 0, sz); |
| 47 | return p; |
| 48 | } |
| 49 | |
| 50 | static gpr_allocation_functions g_alloc_functions = {malloc, zalloc_with_calloc, |
| 51 | realloc, free}; |
David Garcia Quintas | f80b536 | 2015-12-09 11:34:51 -0800 | [diff] [blame] | 52 | |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 53 | gpr_allocation_functions gpr_get_allocation_functions() { |
| 54 | return g_alloc_functions; |
David Garcia Quintas | f80b536 | 2015-12-09 11:34:51 -0800 | [diff] [blame] | 55 | } |
| 56 | |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 57 | void gpr_set_allocation_functions(gpr_allocation_functions functions) { |
| 58 | GPR_ASSERT(functions.malloc_fn != NULL); |
| 59 | GPR_ASSERT(functions.realloc_fn != NULL); |
| 60 | GPR_ASSERT(functions.free_fn != NULL); |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 61 | if (functions.zalloc_fn == NULL) { |
| 62 | functions.zalloc_fn = zalloc_with_gpr_malloc; |
| 63 | } |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 64 | g_alloc_functions = functions; |
David Garcia Quintas | f80b536 | 2015-12-09 11:34:51 -0800 | [diff] [blame] | 65 | } |
| 66 | |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 67 | void *gpr_malloc(size_t size) { |
Craig Tiller | 8910ac6 | 2015-10-08 16:49:15 -0700 | [diff] [blame] | 68 | void *p; |
Nicolas "Pixel" Noble | 23e4bae | 2016-04-13 01:35:42 +0200 | [diff] [blame] | 69 | if (size == 0) return NULL; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 70 | GPR_TIMER_BEGIN("gpr_malloc", 0); |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 71 | p = g_alloc_functions.malloc_fn(size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 72 | if (!p) { |
| 73 | abort(); |
| 74 | } |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 75 | GPR_TIMER_END("gpr_malloc", 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 76 | return p; |
| 77 | } |
| 78 | |
Craig Tiller | 6f41788 | 2017-02-16 14:09:39 -0800 | [diff] [blame] | 79 | void *gpr_zalloc(size_t size) { |
| 80 | void *p; |
| 81 | if (size == 0) return NULL; |
| 82 | GPR_TIMER_BEGIN("gpr_zalloc", 0); |
| 83 | p = g_alloc_functions.zalloc_fn(size); |
| 84 | if (!p) { |
| 85 | abort(); |
| 86 | } |
| 87 | GPR_TIMER_END("gpr_zalloc", 0); |
| 88 | return p; |
| 89 | } |
| 90 | |
Craig Tiller | 1f41b6b | 2015-10-09 15:07:02 -0700 | [diff] [blame] | 91 | void gpr_free(void *p) { |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 92 | GPR_TIMER_BEGIN("gpr_free", 0); |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 93 | g_alloc_functions.free_fn(p); |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 94 | GPR_TIMER_END("gpr_free", 0); |
Craig Tiller | 8910ac6 | 2015-10-08 16:49:15 -0700 | [diff] [blame] | 95 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 96 | |
| 97 | void *gpr_realloc(void *p, size_t size) { |
Nicolas "Pixel" Noble | 23e4bae | 2016-04-13 01:35:42 +0200 | [diff] [blame] | 98 | if ((size == 0) && (p == NULL)) return NULL; |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 99 | GPR_TIMER_BEGIN("gpr_realloc", 0); |
David Garcia Quintas | a5aa19b | 2015-12-09 14:17:52 -0800 | [diff] [blame] | 100 | p = g_alloc_functions.realloc_fn(p, size); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 101 | if (!p) { |
| 102 | abort(); |
| 103 | } |
Craig Tiller | 0ba432d | 2015-10-09 16:57:11 -0700 | [diff] [blame] | 104 | GPR_TIMER_END("gpr_realloc", 0); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 105 | return p; |
| 106 | } |
| 107 | |
Nicolas Noble | 085603c | 2015-02-24 13:29:29 -0800 | [diff] [blame] | 108 | void *gpr_malloc_aligned(size_t size, size_t alignment_log) { |
zeliard | 81f750e | 2015-04-27 14:41:02 +0900 | [diff] [blame] | 109 | size_t alignment = ((size_t)1) << alignment_log; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 110 | size_t extra = alignment - 1 + sizeof(void *); |
| 111 | void *p = gpr_malloc(size + extra); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 112 | void **ret = (void **)(((uintptr_t)p + extra) & ~(alignment - 1)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 113 | ret[-1] = p; |
| 114 | return (void *)ret; |
| 115 | } |
| 116 | |
Paddy Byers | 9db7268 | 2016-03-10 22:56:15 +0000 | [diff] [blame] | 117 | void gpr_free_aligned(void *ptr) { gpr_free(((void **)ptr)[-1]); } |