1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2010 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
31void
32debug_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
43double
44debug_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
60double
61debug_elapsed(int set)
62{
63	return 0;
64}
65
66#endif
67