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