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Current File : //usr/include/bind9/isc/likely.h

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef ISC_LIKELY_H
#define ISC_LIKELY_H 1

/*%
 * Performance
 */
#ifdef CPPCHECK
#define ISC_LIKELY(x)            (x)
#define ISC_UNLIKELY(x)          (x)
#else
#ifdef HAVE_BUILTIN_EXPECT
#define ISC_LIKELY(x)            __builtin_expect((x), 1)
#define ISC_UNLIKELY(x)          __builtin_expect((x), 0)
#else
#define ISC_LIKELY(x)            (x)
#define ISC_UNLIKELY(x)          (x)
#endif
#endif

#endif /* ISC_LIKELY_H */