| /* |
| * 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. |
| */ |
| |
| |
| /** |
| * @addtogroup OSKernel |
| * @{ |
| * @defgroup OSGeneral |
| * @{ |
| */ |
| |
| |
| #ifndef H_OS_HEAP_ |
| #define H_OS_HEAP_ |
| |
| #include <stddef.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /** |
| * Operating system level malloc(). This ensures that a safe malloc occurs |
| * within the context of the OS. Depending on platform, the OS may rely on |
| * libc's malloc() implementation, which is not guaranteed to be thread-safe. |
| * This malloc() will always be thread-safe. |
| * |
| * @param size The number of bytes to allocate |
| * |
| * @return A pointer to the memory region allocated. |
| */ |
| void *os_malloc(size_t size); |
| |
| |
| /** |
| * Operating system level free(). See description of os_malloc() for reasoning. |
| * |
| * Free's memory allocated by malloc. |
| * |
| * @param mem The memory to free. |
| */ |
| void os_free(void *mem); |
| |
| /** |
| * Operating system level realloc(). See description of os_malloc() for reasoning. |
| * |
| * Reallocates the memory at ptr, to be size contiguouos bytes. |
| * |
| * @param ptr A pointer to the memory to allocate |
| * @param size The number of contiguouos bytes to allocate at that location |
| * |
| * @return A pointer to memory of size, or NULL on failure to allocate |
| */ |
| void *os_realloc(void *ptr, size_t size); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| |
| |
| /** |
| * @} OSGeneral |
| * @} OS Kernel |
| */ |