1 /* This file is part of the Linux Trace Toolkit trace reading library
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License Version 2.1 as published by the Free Software Foundation.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 02111-1307, USA.
22 #error "Using old ltt/"
24 /* Fast prediction if likely branches */
25 #define likely(x) __builtin_expect(!!(x), 1)
26 #define unlikely(x) __builtin_expect(!!(x), 0)
30 * Check at compile time that something is of a particular type.
31 * Always evaluates to 1 so you may use it easily in comparisons.
33 #define typecheck(type,x) \
36 (void)(&__dummy == &__dummy2); \
40 /* Deal with 32 wrap correctly */
41 #define guint32_after(a,b) \
42 (typecheck(guint32, a) && \
43 typecheck(guint32, b) && \
44 ((gint32)(b) - (gint32)(a) < 0))
45 #define guint32_before(a,b) guint32_after(b,a)
47 #define guint32_after_eq(a,b) \
48 (typecheck(guint32, a) && \
49 typecheck(guint32, b) && \
50 ((gint32)(b) - (gint32)(a) <= 0))
51 #define guint32_before_eq(a,b) guint32_after_eq(b,a)
53 #define __EXPORT __attribute__ ((visibility ("default")))
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