Home | History | Annotate | Line # | Download | only in make
trace.c revision 1.2 
      1 /*	$NetBSD: trace.c,v 1.2 2000/12/30 16:38:22 sommerfeld 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 
     40 #ifdef MAKE_BOOTSTRAP
     41 static char rcsid[] = "$NetBSD: trace.c,v 1.2 2000/12/30 16:38:22 sommerfeld Exp $";
     42 #else
     43 #include <sys/cdefs.h>
     44 #ifndef lint
     45 __RCSID("$NetBSD: trace.c,v 1.2 2000/12/30 16:38:22 sommerfeld Exp $");
     46 #endif /* not lint */
     47 #endif
     48 
     49 /*-
     50  * trace.c --
     51  *	handle logging of trace events generated by various parts of make.
     52  *
     53  * Interface:
     54  *	Trace_Init		Initialize tracing (called once during
     55  *				the lifetime of the process)
     56  *
     57  *	Trace_End		Finalize tracing (called before make exits)
     58  *
     59  *	Trace_Log		Log an event about a particular make job.
     60  */
     61 
     62 #include <stdio.h>
     63 #include <time.h>
     64 #include <unistd.h>
     65 
     66 #include "make.h"
     67 #include "job.h"
     68 #include "trace.h"
     69 
     70 static FILE *trfile;
     71 static pid_t trpid;
     72 char *trwd;
     73 
     74 static const char *evname[] = {
     75 	"BEG",
     76 	"END",
     77 	"ERR",
     78 	"JOB",
     79 	"DON",
     80 	"INT",
     81 };
     82 
     83 void
     84 Trace_Init(pathname)
     85 	const char *pathname;
     86 {
     87 	char *p1;
     88 	if (pathname != NULL) {
     89 		trpid = getpid();
     90 		trwd = Var_Value(".CURDIR", VAR_GLOBAL, &p1);
     91 
     92 		trfile = fopen(pathname, "a");
     93 	}
     94 }
     95 
     96 void
     97 Trace_Log(event, job)
     98 	TrEvent event;
     99 	Job *job;
    100 {
    101 	struct timeval now;
    102 
    103 	if (trfile == NULL)
    104 		return;
    105 
    106 	gettimeofday(&now, NULL);
    107 
    108 	fprintf(trfile, "%ld.%06d %d %d %s %d %s",
    109 	    now.tv_sec, (int)now.tv_usec,
    110 	    jobTokensRunning, jobTokensFree,
    111 	    evname[event], trpid, trwd);
    112 	if (job != NULL) {
    113 		fprintf(trfile, " %s %d %x %x", job->node->name,
    114 		    job->pid, job->flags, job->node->type);
    115 	}
    116 	fputc('\n', trfile);
    117 	fflush(trfile);
    118 }
    119 
    120 void
    121 Trace_End()
    122 {
    123 	if (trfile != NULL)
    124 		fclose(trfile);
    125 }
    126