1 /* This file is part of the Linux Trace Toolkit trace reading library
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License Version 2 as
6 * published by the Free Software Foundation;
8 * This program 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
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 /* Fast prediction if likely branches */
23 #define likely(x) __builtin_expect(!!(x), 1)
24 #define unlikely(x) __builtin_expect(!!(x), 0)
28 * Check at compile time that something is of a particular type.
29 * Always evaluates to 1 so you may use it easily in comparisons.
31 #define typecheck(type,x) \
34 (void)(&__dummy == &__dummy2); \
38 /* Deal with 32 wrap correctly */
39 #define guint32_after(a,b) \
40 (typecheck(guint32, a) && \
41 typecheck(guint32, b) && \
42 ((gint32)(b) - (gint32)(a) < 0))
43 #define guint32_before(a,b) guint32_after(b,a)
45 #define guint32_after_eq(a,b) \
46 (typecheck(guint32, a) && \
47 typecheck(guint32, b) && \
48 ((gint32)(b) - (gint32)(a) <= 0))
49 #define guint32_before_eq(a,b) guint32_after_eq(b,a)
51 #define __EXPORT __attribute__ ((visibility ("default")))
54 #define max(a,b) ((a)>(b)?(a):(b))
58 #define min(a,b) ((a)<(b)?(a):(b))
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