3 * Copyright (c) 2020 Project CHIP Authors
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
21 * This file implements parts of the CHIP allocation API that are
22 * independent of the configured allocator.
26 #include <core/CHIPConfig.h>
27 #include <support/CHIPMem.h>
28 #include <support/CHIPPlatformMemory.h>
36 extern CHIP_ERROR MemoryAllocatorInit(void * buf, size_t bufSize);
37 extern void MemoryAllocatorShutdown();
39 static std::atomic_int memoryInitializationCount{ 0 };
41 CHIP_ERROR MemoryInit(void * buf, size_t bufSize)
43 if (memoryInitializationCount++ > 0)
47 // Initialize the allocator.
48 CHIP_ERROR err = MemoryAllocatorInit(buf, bufSize);
49 if (err != CHIP_NO_ERROR)
53 // Here we do things like mbedtls_platform_set_calloc_free(), depending on configuration.
59 if ((memoryInitializationCount > 0) && (--memoryInitializationCount == 0))
61 // Here we undo things like mbedtls_platform_set_calloc_free()
62 MemoryAllocatorShutdown();
66 } // namespace Platform