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0f4edf9735
We have observed a significant performance degradation after merging https://github.com/bytecodealliance/wasm-micro-runtime/pull/1991 Instead of protecting suspend flags with a mutex, we implement the flags as atomic variable and only use mutex when atomics are not available on a given platform.
15 lines
568 B
C
15 lines
568 B
C
/*
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* Copyright (C) 2023 Amazon.com, Inc. or its affiliates. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#if !defined(__GNUC_PREREQ) && (defined(__GNUC__) || defined(__GNUG__)) \
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&& !defined(__clang__) && defined(__GNUC_MINOR__)
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/* Depending on the platform the macro is defined in sys/features.h or
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features.h Given the macro is simple, we re-implement it here instead of
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dealing with two different paths.
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*/
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#define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#endif
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