25 lines
653 B
Plaintext
25 lines
653 B
Plaintext
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#ifndef AWS_COMMON_ATOMICS_FALLBACK_INL
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#define AWS_COMMON_ATOMICS_FALLBACK_INL
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/**
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* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0.
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*/
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AWS_EXTERN_C_BEGIN
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#ifndef AWS_ATOMICS_HAVE_THREAD_FENCE
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void aws_atomic_thread_fence(enum aws_memory_order order) {
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struct aws_atomic_var var;
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aws_atomic_int_t expected = 0;
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aws_atomic_store_int(&var, expected, aws_memory_order_relaxed);
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aws_atomic_compare_exchange_int(&var, &expected, 1, order, aws_memory_order_relaxed);
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}
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#endif /* AWS_ATOMICS_HAVE_THREAD_FENCE */
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AWS_EXTERN_C_END
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#endif /* AWS_COMMON_ATOMICS_FALLBACK_INL */
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