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0ba22f51d1
Use the uniform single line C++/99 style for code comments. This is part of the cleanup proposed in "[RFC] compiler-rt builtins cleanup and refactoring". Differential Revision: https://reviews.llvm.org/D60352 llvm-svn: 359411
26 lines
823 B
C
26 lines
823 B
C
//===-- atomic_flag_test_and_set.c ----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements atomic_flag_test_and_set from C11's stdatomic.h.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __has_include
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#define __has_include(inc) 0
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#endif
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#if __has_include(<stdatomic.h>)
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#include <stdatomic.h>
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#undef atomic_flag_test_and_set
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_Bool atomic_flag_test_and_set(volatile atomic_flag *object) {
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return __c11_atomic_exchange(&(object)->_Value, 1, __ATOMIC_SEQ_CST);
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}
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#endif
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