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Willy Tarreau1d488b62006-12-16 19:54:02 +01001/*
2 include/common/debug.h
3 This files contains some macros to help debugging.
4
5 Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation, version 2.1
10 exclusively.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20*/
21
22#ifndef _COMMON_DEBUG_H
23#define _COMMON_DEBUG_H
24
25#include <common/config.h>
Willy Tarreau18954282015-09-26 01:27:43 +020026#include <common/memory.h>
Willy Tarreau1d488b62006-12-16 19:54:02 +010027
28#ifdef DEBUG_FULL
Willy Tarreau8a68c242006-12-16 23:22:58 +010029#define DPRINTF(x...) fprintf(x)
Willy Tarreau1d488b62006-12-16 19:54:02 +010030#else
31#define DPRINTF(x...)
32#endif
33
Willy Tarreau8a68c242006-12-16 23:22:58 +010034#ifdef DEBUG_FSM
35#define FSM_PRINTF(x...) fprintf(x)
36#else
37#define FSM_PRINTF(x...)
38#endif
39
Willy Tarreauf8533202008-08-16 14:55:08 +020040/* This abort is more efficient than abort() because it does not mangle the
41 * stack and stops at the exact location we need.
42 */
43#define ABORT_NOW() (*(int*)0=0)
44
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020045/* this one is provided for easy code tracing.
Willy Tarreau87b09662015-04-03 00:22:06 +020046 * Usage: TRACE(strm||0, fmt, args...);
47 * TRACE(strm, "");
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020048 */
Willy Tarreau87b09662015-04-03 00:22:06 +020049#define TRACE(strm, fmt, args...) do { \
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020050 fprintf(stderr, \
Willy Tarreau87b09662015-04-03 00:22:06 +020051 "%d.%06d [%s:%d %s] [strm %p(%x)] " fmt "\n", \
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020052 (int)now.tv_sec, (int)now.tv_usec, \
53 __FILE__, __LINE__, __FUNCTION__, \
Willy Tarreau87b09662015-04-03 00:22:06 +020054 strm, strm?((struct stream *)strm)->uniq_id:~0U, \
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020055 ##args); \
56 } while (0)
57
Willy Tarreau18954282015-09-26 01:27:43 +020058/* This one is useful to automatically apply poisonning on an area returned
59 * by malloc(). Only "p_" is required to make it work, and to define a poison
60 * byte using -dM.
61 */
62static inline void *p_malloc(size_t size)
63{
64 void *ret = malloc(size);
65 if (mem_poison_byte && ret)
66 memset(ret, mem_poison_byte, size);
67 return ret;
68}
Willy Tarreau5c6f58f2008-06-13 22:36:31 +020069
Willy Tarreau1d488b62006-12-16 19:54:02 +010070#endif /* _COMMON_DEBUG_H */