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-rw-r--r--lib/libpthread/debuglog.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/lib/libpthread/debuglog.c b/lib/libpthread/debuglog.c
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+++ b/lib/libpthread/debuglog.c
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+/* $NetBSD: debuglog.c,v 1.2 2003/01/18 10:34:14 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nathan J. Williams.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+#include <err.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/shm.h>
+
+#include "pthread.h"
+#include "pthread_int.h"
+
+
+void pthread__debuglog_read(int, int);
+void pthread__debuglog_rawdump(void);
+
+void usage(void);
+
+
+static struct pthread_msgbuf* debugbuf;
+
+int
+main(int argc, char *argv[])
+{
+ int ch;
+ extern int optind;
+ extern char *optarg;
+
+ int follow, initialize, raw, keep;
+
+ follow = 0;
+ initialize = 0;
+ raw = 0;
+ keep = 0;
+
+ while ((ch = getopt(argc, argv, "rfik")) != -1)
+ switch (ch) {
+ case 'k':
+ keep = 1;
+ break;
+ case 'r':
+ raw = 1;
+ break;
+ case 'f':
+ follow = 1;
+ break;
+ case 'i':
+ initialize = 1;
+ break;
+
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc != 0)
+ usage();
+
+ debugbuf = pthread__debuglog_init(initialize);
+
+ if (raw)
+ pthread__debuglog_rawdump();
+ else
+ pthread__debuglog_read(follow, !keep);
+
+ return 0;
+}
+
+void
+pthread__debuglog_rawdump(void)
+{
+
+ printf("Debug log raw dump\n");
+ printf("Magic: %06x\n", debugbuf->msg_magic);
+ printf("Size: %06lx\n", debugbuf->msg_bufs);
+ printf("Read start: %ld Write start: %ld\n\n",
+ debugbuf->msg_bufr, debugbuf->msg_bufw);
+
+ fwrite(&debugbuf->msg_bufc[0], debugbuf->msg_bufs, 1, stdout);
+}
+
+void
+pthread__debuglog_read(int follow, int trunc)
+{
+
+ int readp, writep;
+
+ do {
+
+ readp = debugbuf->msg_bufr;
+ writep = debugbuf->msg_bufw;
+
+ if (readp < writep) {
+ fwrite(&debugbuf->msg_bufc[readp], writep - readp,
+ 1, stdout);
+ } else if (readp > writep) {
+ fwrite(&debugbuf->msg_bufc[readp],
+ debugbuf->msg_bufs - readp, 1, stdout);
+ fwrite(&debugbuf->msg_bufc[0], writep, 1, stdout);
+ }
+
+ if (trunc)
+ debugbuf->msg_bufr = writep;
+
+ if (follow)
+ sleep(1);
+ } while (follow);
+}
+
+
+
+
+void usage()
+{
+
+ fprintf(stderr,"usage: debuglog [-fi]\n");
+ exit(1);
+}