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Change how the Matter framework handles Platform::Memory. (#19273)
Since for the malloc case the Platform::Memory is just debugging bits, and since its init is not particularly threadsafe, just do a dispatch_once init whenever we might need it, and don't worry about shutting it down.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /** | ||
| * Copyright (c) 2022 Project CHIP Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| #pragma once | ||
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| /** | ||
| * Utility to initialize the Matter memory subsystem. Not a public framework | ||
| * header. | ||
| */ | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface MTRMemory : NSObject | ||
| /** | ||
| * Ensure Matter Platform::Memory is initialized. This only needs to happen | ||
| * once per process, because in practice we just use malloc/free so there is | ||
| * nothing to initialize, so this just needs to happen to avoid debug | ||
| * assertions. This class handles ensuring the initialization only happens | ||
| * once. | ||
| */ | ||
| + (void)ensureInit; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /** | ||
| * Copyright (c) 2022 Project CHIP Authors | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| #import "MTRMemory.h" | ||
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| #include <lib/support/CHIPMem.h> | ||
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| @implementation MTRMemory | ||
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| + (void)ensureInit | ||
| { | ||
| static dispatch_once_t onceToken; | ||
| dispatch_once(&onceToken, ^{ | ||
| // The malloc version of MemoryInit never fails. | ||
| chip::Platform::MemoryInit(); | ||
| }); | ||
| } | ||
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| @end |
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