1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * <debug.h> support
25  */
26 
27 #include <ast.h>
28 #include <error.h>
29 #include <debug.h>
30 
31 void
32 debug_fatal(const char* file, int line)
33 {
34 	error(2, "%s:%d: debug error", file, line);
35 	abort();
36 }
37 
38 #if _sys_times
39 
40 #include <sys/times.h>
41 #include <sys/resource.h>
42 
43 double
44 debug_elapsed(int set)
45 {
46 	double		tm;
47 	struct rusage	ru;
48 
49 	static double	prev;
50 
51 	getrusage(RUSAGE_SELF, &ru);
52 	tm = (double)ru.ru_utime.tv_sec  + (double)ru.ru_utime.tv_usec/1000000.0;
53 	if (set)
54 		return prev = tm;
55 	return tm - prev;
56 }
57 
58 #else
59 
60 double
61 debug_elapsed(int set)
62 {
63 	return 0;
64 }
65 
66 #endif
67