/* $NetBSD: trace.c,v 1.33 2023/03/28 14:39:31 rillig Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bill Sommerfeld
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* trace.c --
* handle logging of trace events generated by various parts of make.
*
* Interface:
* Trace_Init Initialize tracing (called once during
* the lifetime of the process)
*
* Trace_End Finalize tracing (called before make exits)
*
* Trace_Log Log an event about a particular make job.
*/
#include <sys/time.h>
#include "make.h"
#include "job.h"
#include "trace.h"
MAKE_RCSID("$NetBSD: trace.c,v 1.33 2023/03/28 14:39:31 rillig Exp $");
static FILE *trfile;
static pid_t trpid;
static const char *trwd;
static const char evname[][4] = {
"BEG",
"END",
"ERR",
"JOB",
"DON",
"INT",
};
void
Trace_Init(const char *pathname)
{
if (pathname != NULL) {
FStr curDir;
trpid = getpid();
/*
* XXX: This variable may get overwritten later, which would
* make trwd point to undefined behavior.
*/
curDir = Var_Value(SCOPE_GLOBAL, ".CURDIR");
trwd = curDir.str;
trfile = fopen(pathname, "a");
}
}
void
Trace_Log(TrEvent event, Job *job)
{
struct timeval rightnow;
if (trfile == NULL)
return;
gettimeofday(&rightnow, NULL);
#if __STDC_VERSION__ >= 199901L
fprintf(trfile, "%lld.%06ld %d %s %d %s",
(long long)rightnow.tv_sec, (long)rightnow.tv_usec,
jobTokensRunning,
evname[event], trpid, trwd);
#else
fprintf(trfile, "%ld.%06ld %d %s %d %s",
(long)rightnow.tv_sec, (long)rightnow.tv_usec,
jobTokensRunning,
evname[event], trpid, trwd);
#endif
if (job != NULL) {
char flags[4];
Job_FlagsToString(job, flags, sizeof flags);
fprintf(trfile, " %s %d %s %x", job->node->name,
job->pid, flags, job->node->type);
}
fputc('\n', trfile);
fflush(trfile);
}
void
Trace_End(void)
{
if (trfile != NULL)
fclose(trfile);
}
