author Eitan Isaacson <>
Mon, 10 Dec 2018 03:30:21 +0000
changeset 449682 3386ff76878d83496bb822d09115c77472808b53
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
child 454520 5f4630838d46dd81dadb13220a4af0da9e23a619
permissions -rw-r--r--
Bug 1511955 - Don't traverse into children without hypertext interfaces. r=Jamie This prevents an infinite loop where we go into a child only to find the nearest hypertext accessible being its parent. Differential Revision:

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 */

 * MOZ_LIKELY and MOZ_UNLIKELY macros to hint to the compiler how a
 * boolean predicate should be branch-predicted.

#ifndef mozilla_Likely_h
#define mozilla_Likely_h

#if defined(__clang__) || defined(__GNUC__)
#define MOZ_LIKELY(x) (__builtin_expect(!!(x), 1))
#define MOZ_UNLIKELY(x) (__builtin_expect(!!(x), 0))
#define MOZ_LIKELY(x) (!!(x))
#define MOZ_UNLIKELY(x) (!!(x))

#endif /* mozilla_Likely_h */