1 /* $NetBSD: trace.c,v 1.15 2020/08/03 20:26:09 rillig Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Sommerfeld 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 33 #ifndef MAKE_NATIVE 34 static char rcsid[] = "$NetBSD: trace.c,v 1.15 2020/08/03 20:26:09 rillig Exp $"; 35 #else 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __RCSID("$NetBSD: trace.c,v 1.15 2020/08/03 20:26:09 rillig Exp $"); 39 #endif /* not lint */ 40 #endif 41 42 /*- 43 * trace.c -- 44 * handle logging of trace events generated by various parts of make. 45 * 46 * Interface: 47 * Trace_Init Initialize tracing (called once during 48 * the lifetime of the process) 49 * 50 * Trace_End Finalize tracing (called before make exits) 51 * 52 * Trace_Log Log an event about a particular make job. 53 */ 54 55 #include <sys/time.h> 56 57 #include <stdio.h> 58 #include <unistd.h> 59 60 #include "make.h" 61 #include "job.h" 62 #include "trace.h" 63 64 static FILE *trfile; 65 static pid_t trpid; 66 const char *trwd; 67 68 static const char *evname[] = { 69 "BEG", 70 "END", 71 "ERR", 72 "JOB", 73 "DON", 74 "INT", 75 }; 76 77 void 78 Trace_Init(const char *pathname) 79 { 80 if (pathname != NULL) { 81 char *dontFreeIt; 82 trpid = getpid(); 83 trwd = Var_Value(".CURDIR", VAR_GLOBAL, &dontFreeIt); 84 85 trfile = fopen(pathname, "a"); 86 } 87 } 88 89 void 90 Trace_Log(TrEvent event, Job *job) 91 { 92 struct timeval rightnow; 93 94 if (trfile == NULL) 95 return; 96 97 gettimeofday(&rightnow, NULL); 98 99 fprintf(trfile, "%lld.%06ld %d %s %d %s", 100 (long long)rightnow.tv_sec, (long)rightnow.tv_usec, 101 jobTokensRunning, 102 evname[event], trpid, trwd); 103 if (job != NULL) { 104 fprintf(trfile, " %s %d %x %x", job->node->name, 105 job->pid, job->flags, job->node->type); 106 } 107 fputc('\n', trfile); 108 fflush(trfile); 109 } 110 111 void 112 Trace_End(void) 113 { 114 if (trfile != NULL) 115 fclose(trfile); 116 } 117