usr.bin/make/trace.c

   1 /*      $NetBSD: trace.c,v 1.11 2008/12/28 18:31:51 christos 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 1.11 2008/12/28 18:31:51 christos Exp $";
  35 #else
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 __RCSID("$NetBSD: trace.c,v 1.11 2008/12/28 18:31:51 christos 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 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         char *p1;
  81         if (pathname != NULL) {
  82                 trpid = getpid();
  83                 trwd = Var_Value(".CURDIR", VAR_GLOBAL, &p1);
  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 }