| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| #include <assert.h> |
| #include "os/mynewt.h" |
| |
| #if MYNEWT_VAL(OS_SCHEDULING) |
| static struct os_mutex os_malloc_mutex; |
| #endif |
| |
| static void |
| os_malloc_lock(void) |
| { |
| #if MYNEWT_VAL(OS_SCHEDULING) |
| int rc; |
| |
| if (g_os_started) { |
| rc = os_mutex_pend(&os_malloc_mutex, 0xffffffff); |
| assert(rc == 0); |
| } |
| #endif |
| } |
| |
| static void |
| os_malloc_unlock(void) |
| { |
| #if MYNEWT_VAL(OS_SCHEDULING) |
| int rc; |
| |
| if (g_os_started) { |
| rc = os_mutex_release(&os_malloc_mutex); |
| assert(rc == 0); |
| } |
| #endif |
| } |
| |
| void * |
| os_malloc(size_t size) |
| { |
| void *ptr; |
| |
| os_malloc_lock(); |
| ptr = malloc(size); |
| os_malloc_unlock(); |
| |
| return ptr; |
| } |
| |
| void |
| os_free(void *mem) |
| { |
| os_malloc_lock(); |
| free(mem); |
| os_malloc_unlock(); |
| } |
| |
| void * |
| os_realloc(void *ptr, size_t size) |
| { |
| void *new_ptr; |
| |
| os_malloc_lock(); |
| new_ptr = realloc(ptr, size); |
| os_malloc_unlock(); |
| |
| return new_ptr; |
| } |
| |