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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for Swift project authors
//
#include "WillThrow.h"
#include <atomic>
/// The Swift runtime error-handling hook.
SWT_IMPORT_FROM_STDLIB std::atomic<SWTWillThrowHandler> _swift_willThrow;
SWTWillThrowHandler swt_setWillThrowHandler(SWTWillThrowHandler handler) {
return _swift_willThrow.exchange(handler, std::memory_order_acq_rel);
}
/// The Swift runtime typed-error-handling hook.
SWT_IMPORT_FROM_STDLIB __attribute__((weak_import)) std::atomic<SWTWillThrowTypedHandler> _swift_willThrowTypedImpl;
SWTWillThrowTypedHandler swt_setWillThrowTypedHandler(SWTWillThrowTypedHandler handler) {
#if defined(__APPLE__)
if (&_swift_willThrowTypedImpl == nullptr) {
return nullptr;
}
#endif
return _swift_willThrowTypedImpl.exchange(handler, std::memory_order_acq_rel);
}
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