| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <grpc/support/alloc.h> |
| |
| #include <stdlib.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/port_platform.h> |
| #include "src/core/profiling/timers.h" |
| |
| static gpr_allocation_functions g_alloc_functions = {malloc, realloc, free}; |
| |
| gpr_allocation_functions gpr_get_allocation_functions() { |
| return g_alloc_functions; |
| } |
| |
| void gpr_set_allocation_functions(gpr_allocation_functions functions) { |
| GPR_ASSERT(functions.malloc_fn != NULL); |
| GPR_ASSERT(functions.realloc_fn != NULL); |
| GPR_ASSERT(functions.free_fn != NULL); |
| g_alloc_functions = functions; |
| } |
| |
| void *gpr_malloc(size_t size) { |
| void *p; |
| GPR_TIMER_BEGIN("gpr_malloc", 0); |
| p = g_alloc_functions.malloc_fn(size); |
| if (!p) { |
| abort(); |
| } |
| GPR_TIMER_END("gpr_malloc", 0); |
| return p; |
| } |
| |
| void gpr_free(void *p) { |
| GPR_TIMER_BEGIN("gpr_free", 0); |
| g_alloc_functions.free_fn(p); |
| GPR_TIMER_END("gpr_free", 0); |
| } |
| |
| void *gpr_realloc(void *p, size_t size) { |
| GPR_TIMER_BEGIN("gpr_realloc", 0); |
| p = g_alloc_functions.realloc_fn(p, size); |
| if (!p) { |
| abort(); |
| } |
| GPR_TIMER_END("gpr_realloc", 0); |
| return p; |
| } |
| |
| void *gpr_malloc_aligned(size_t size, size_t alignment_log) { |
| size_t alignment = ((size_t)1) << alignment_log; |
| size_t extra = alignment - 1 + sizeof(void *); |
| void *p = gpr_malloc(size + extra); |
| void **ret = (void **)(((uintptr_t)p + extra) & ~(alignment - 1)); |
| ret[-1] = p; |
| return (void *)ret; |
| } |
| |
| void gpr_free_aligned(void *ptr) { free(((void **)ptr)[-1]); } |