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diff --git a/lib/libkse/thread/thr_info.c b/lib/libkse/thread/thr_info.c
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+/*
+ * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
+ * All rights reserved.
+ *
+ * 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 John Birrell.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <errno.h>
+#include "thr_private.h"
+
+#ifndef NELEMENTS
+#define NELEMENTS(arr) (sizeof(arr) / sizeof(arr[0]))
+#endif
+
+static void dump_thread(int fd, pthread_t pthread, int long_version);
+
+__weak_reference(_pthread_set_name_np, pthread_set_name_np);
+
+struct s_thread_info {
+ enum pthread_state state;
+ char *name;
+};
+
+/* Static variables: */
+static const struct s_thread_info thread_info[] = {
+ {PS_RUNNING , "Running"},
+ {PS_MUTEX_WAIT , "Waiting on a mutex"},
+ {PS_COND_WAIT , "Waiting on a condition variable"},
+ {PS_SLEEP_WAIT , "Sleeping"},
+ {PS_WAIT_WAIT , "Waiting process"},
+ {PS_SPINBLOCK , "Waiting for a spinlock"},
+ {PS_JOIN , "Waiting to join"},
+ {PS_SUSPENDED , "Suspended"},
+ {PS_DEAD , "Dead"},
+ {PS_DEADLOCK , "Deadlocked"},
+ {PS_STATE_MAX , "Not a real state!"}
+};
+
+void
+_thread_dump_info(void)
+{
+ char s[512];
+ int fd;
+ int i;
+ pthread_t pthread;
+ char tmpfile[128];
+ pq_list_t *pq_list;
+
+ for (i = 0; i < 100000; i++) {
+ snprintf(tmpfile, sizeof(tmpfile), "/tmp/uthread.dump.%u.%i",
+ getpid(), i);
+ /* Open the dump file for append and create it if necessary: */
+ if ((fd = __sys_open(tmpfile, O_RDWR | O_CREAT | O_EXCL,
+ 0666)) < 0) {
+ /* Can't open the dump file. */
+ if (errno == EEXIST)
+ continue;
+ /*
+ * We only need to continue in case of
+ * EEXIT error. Most other error
+ * codes means that we will fail all
+ * the times.
+ */
+ return;
+ } else {
+ break;
+ }
+ }
+ if (i==100000) {
+ /* all 100000 possibilities are in use :( */
+ return;
+ } else {
+ /* Output a header for active threads: */
+ strcpy(s, "\n\n=============\nACTIVE THREADS\n\n");
+ __sys_write(fd, s, strlen(s));
+
+ /* Enter a loop to report each thread in the global list: */
+ TAILQ_FOREACH(pthread, &_thread_list, tle) {
+ dump_thread(fd, pthread, /*long_verson*/ 1);
+ }
+
+ /* Output a header for ready threads: */
+ strcpy(s, "\n\n=============\nREADY THREADS\n\n");
+ __sys_write(fd, s, strlen(s));
+
+ /* Enter a loop to report each thread in the ready queue: */
+ TAILQ_FOREACH (pq_list, &_readyq.pq_queue, pl_link) {
+ TAILQ_FOREACH(pthread, &pq_list->pl_head, pqe) {
+ dump_thread(fd, pthread, /*long_version*/ 0);
+ }
+ }
+
+ /* Output a header for waiting threads: */
+ strcpy(s, "\n\n=============\nWAITING THREADS\n\n");
+ __sys_write(fd, s, strlen(s));
+
+ /* Enter a loop to report each thread in the waiting queue: */
+ TAILQ_FOREACH (pthread, &_waitingq, pqe) {
+ dump_thread(fd, pthread, /*long_version*/ 0);
+ }
+
+ /* Output a header for threads in the work queue: */
+ strcpy(s, "\n\n=============\nTHREADS IN WORKQ\n\n");
+ __sys_write(fd, s, strlen(s));
+
+ /* Enter a loop to report each thread in the waiting queue: */
+ TAILQ_FOREACH (pthread, &_workq, qe) {
+ dump_thread(fd, pthread, /*long_version*/ 0);
+ }
+
+ /* Check if there are no dead threads: */
+ if (TAILQ_FIRST(&_dead_list) == NULL) {
+ /* Output a record: */
+ strcpy(s, "\n\nTHERE ARE NO DEAD THREADS\n");
+ __sys_write(fd, s, strlen(s));
+ } else {
+ /* Output a header for dead threads: */
+ strcpy(s, "\n\nDEAD THREADS\n\n");
+ __sys_write(fd, s, strlen(s));
+
+ /*
+ * Enter a loop to report each thread in the global
+ * dead thread list:
+ */
+ TAILQ_FOREACH(pthread, &_dead_list, dle) {
+ dump_thread(fd, pthread, /*long_version*/ 0);
+ }
+ }
+
+ /* Close the dump file: */
+ __sys_close(fd);
+ }
+}
+
+static void
+dump_thread(int fd, pthread_t pthread, int long_version)
+{
+ struct pthread *curthread = _get_curthread();
+ char s[512];
+ int i;
+
+ /* Find the state: */
+ for (i = 0; i < NELEMENTS(thread_info) - 1; i++)
+ if (thread_info[i].state == pthread->state)
+ break;
+
+ /* Output a record for the thread: */
+ snprintf(s, sizeof(s),
+ "--------------------\nThread %p (%s) prio %3d state %s [%s:%d]\n",
+ pthread, (pthread->name == NULL) ? "" : pthread->name,
+ pthread->active_priority, thread_info[i].name, pthread->fname,
+ pthread->lineno);
+ __sys_write(fd, s, strlen(s));
+
+ if (long_version != 0) {
+ /* Check if this is the running thread: */
+ if (pthread == curthread) {
+ /* Output a record for the running thread: */
+ strcpy(s, "This is the running thread\n");
+ __sys_write(fd, s, strlen(s));
+ }
+ /* Check if this is the initial thread: */
+ if (pthread == _thread_initial) {
+ /* Output a record for the initial thread: */
+ strcpy(s, "This is the initial thread\n");
+ __sys_write(fd, s, strlen(s));
+ }
+ /* Process according to thread state: */
+ switch (pthread->state) {
+ /*
+ * Trap other states that are not explicitly
+ * coded to dump information:
+ */
+ default:
+ /* Nothing to do here. */
+ break;
+ }
+ }
+}
+
+/* Set the thread name for debug: */
+void
+_pthread_set_name_np(pthread_t thread, const char *name)
+{
+ /* Check if the caller has specified a valid thread: */
+ if (thread != NULL && thread->magic == PTHREAD_MAGIC) {
+ if (thread->name != NULL) {
+ /* Free space for previous name. */
+ free(thread->name);
+ }
+ thread->name = strdup(name);
+ }
+}
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