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/*
*
* 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 <grpc/support/log.h>
#include <grpc/support/port_platform.h>
#include <stdlib.h>
#include "src/core/lib/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;
if (size == 0) return NULL;
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) {
if ((size == 0) && (p == NULL)) return NULL;
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) { gpr_free(((void **)ptr)[-1]); }
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