1 /* $NetBSD: trace.c,v 1.21 2020/10/31 22:05:56 rillig Exp $ */
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
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34 * handle logging of trace events generated by various parts of make.
37 * Trace_Init Initialize tracing (called once during
38 * the lifetime of the process)
40 * Trace_End Finalize tracing (called before make exits)
42 * Trace_Log Log an event about a particular make job.
51 MAKE_RCSID("$NetBSD: trace.c,v 1.21 2020/10/31 22:05:56 rillig Exp $");
57 static const char *evname[] = {
67 Trace_Init(const char *pathname)
69 if (pathname != NULL) {
72 /* XXX: This variable may get overwritten later, which
73 * would make trwd point to undefined behavior. */
74 trwd = Var_Value(".CURDIR", VAR_GLOBAL, &dontFreeIt);
76 trfile = fopen(pathname, "a");
81 Trace_Log(TrEvent event, Job *job)
83 struct timeval rightnow;
88 gettimeofday(&rightnow, NULL);
90 fprintf(trfile, "%lld.%06ld %d %s %d %s",
91 (long long)rightnow.tv_sec, (long)rightnow.tv_usec,
93 evname[event], trpid, trwd);
95 fprintf(trfile, " %s %d %x %x", job->node->name,
96 job->pid, job->flags, job->node->type);