debug.c revision 7c2fbfb345896881c631598ee3852ce9ce33fb07
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2008 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* <debug.h> support
*/
#include <ast.h>
#include <error.h>
#include <debug.h>
void
debug_fatal(const char* file, int line)
{
error(2, "%s:%d: debug error", file, line);
abort();
}
#if _sys_times
#include <sys/times.h>
#include <sys/resource.h>
double
debug_elapsed(int set)
{
double tm;
struct rusage ru;
static double prev;
getrusage(RUSAGE_SELF, &ru);
tm = (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec/1000000.0;
if (set)
return prev = tm;
return tm - prev;
}
#else
double
debug_elapsed(int set)
{
return 0;
}
#endif