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 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