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env: posix: Make env_bit_test() atomic #779

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Sep 21, 2023
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env: posix: Make env_bit_test() atomic #779

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2 changes: 2 additions & 0 deletions env/posix/ocf_env.h
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
/*
* Copyright(c) 2019-2022 Intel Corporation
* Copyright(c) 2023 Huawei Technologies
* SPDX-License-Identifier: BSD-3-Clause
*/

Expand Down Expand Up @@ -586,6 +587,7 @@ static inline bool env_bit_test(int nr, const volatile unsigned long *addr)
const char *byte = (char *)addr + (nr >> 3);
char mask = 1 << (nr & 7);

__sync_synchronize();
return !!(*byte & mask);
}

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