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Merge pull request #779 from robertbaldyga/posix-env_bit_test-fix

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env: posix: Make env_bit_test() atomic
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Robert Baldyga 2023-09-21 13:55:32 +02:00 committed by GitHub
commit a7a62cb44a
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2
env/posix/ocf_env.h vendored
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@ -1,5 +1,6 @@
/* /*
* Copyright(c) 2019-2022 Intel Corporation * Copyright(c) 2019-2022 Intel Corporation
* Copyright(c) 2023 Huawei Technologies
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
@ -586,6 +587,7 @@ static inline bool env_bit_test(int nr, const volatile unsigned long *addr)
const char *byte = (char *)addr + (nr >> 3); const char *byte = (char *)addr + (nr >> 3);
char mask = 1 << (nr & 7); char mask = 1 << (nr & 7);
__sync_synchronize();
return !!(*byte & mask); return !!(*byte & mask);
} }