| //===-- dfsan_chained_origin_depot.cpp ------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of DataFlowSanitizer. |
| // |
| // A storage for chained origins. |
| //===----------------------------------------------------------------------===// |
| |
| #include "dfsan_chained_origin_depot.h" |
| |
| namespace __dfsan { |
| |
| static ChainedOriginDepot chainedOriginDepot; |
| |
| ChainedOriginDepot* GetChainedOriginDepot() { return &chainedOriginDepot; } |
| |
| void ChainedOriginDepotLockBeforeFork() { |
| // TODO: Consider same optimization as `StackDepotLockBeforeFork`. |
| chainedOriginDepot.LockAll(); |
| } |
| |
| void ChainedOriginDepotUnlockAfterFork(bool fork_child) { |
| // TODO: Consider same optimization as `StackDepotUnlockAfterFork`. |
| chainedOriginDepot.UnlockAll(); |
| } |
| |
| } // namespace __dfsan |
