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