--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nspr/pr/src/threads/prdump.c	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "primpl.h"
+
+#if defined(WIN95)
+/*
+** Some local variables report warnings on Win95 because the code paths 
+** using them are conditioned on HAVE_CUSTOME_USER_THREADS.
+** The pragma suppresses the warning.
+** 
+*/
+#pragma warning(disable : 4101)
+#endif
+
+/* XXX use unbuffered nspr stdio */
+
+PRFileDesc *_pr_dumpOut;
+
+PRUint32 _PR_DumpPrintf(PRFileDesc *fd, const char *fmt, ...)
+{
+    char buf[100];
+    PRUint32 nb;
+    va_list ap;
+
+    va_start(ap, fmt);
+    nb = PR_vsnprintf(buf, sizeof(buf), fmt, ap);
+    va_end(ap);
+    PR_Write(fd, buf, nb);
+
+    return nb;
+}
+
+void _PR_DumpThread(PRFileDesc *fd, PRThread *thread)
+{
+
+#ifndef _PR_GLOBAL_THREADS_ONLY
+    _PR_DumpPrintf(fd, "%05d[%08p] pri=%2d flags=0x%02x",
+                   thread->id, thread, thread->priority, thread->flags);
+    switch (thread->state) {
+      case _PR_RUNNABLE:
+      case _PR_RUNNING:
+        break;
+      case _PR_LOCK_WAIT:
+        _PR_DumpPrintf(fd, " lock=%p", thread->wait.lock);
+        break;
+      case _PR_COND_WAIT:
+        _PR_DumpPrintf(fd, " condvar=%p sleep=%lldms",
+                       thread->wait.cvar, thread->sleep);
+        break;
+      case _PR_SUSPENDED:
+        _PR_DumpPrintf(fd, " suspended");
+        break;
+    }
+    PR_Write(fd, "\n", 1);
+#endif
+
+    /* Now call dump routine */
+    if (thread->dump) {
+	thread->dump(fd, thread, thread->dumpArg);
+    }
+}
+
+static void DumpThreadQueue(PRFileDesc *fd, PRCList *list)
+{
+#ifndef _PR_GLOBAL_THREADS_ONLY
+    PRCList *q;
+
+    q = list->next;
+    while (q != list) {
+        PRThread *t = _PR_THREAD_PTR(q);
+        _PR_DumpThread(fd, t);
+        q = q->next;
+    }
+#endif
+}
+
+void _PR_DumpThreads(PRFileDesc *fd)
+{
+    PRThread *t;
+    PRIntn i;
+
+    _PR_DumpPrintf(fd, "Current Thread:\n");
+    t = _PR_MD_CURRENT_THREAD();
+    _PR_DumpThread(fd, t);
+
+    _PR_DumpPrintf(fd, "Runnable Threads:\n");
+    for (i = 0; i < 32; i++) {
+        DumpThreadQueue(fd, &_PR_RUNQ(t->cpu)[i]);
+    }
+
+    _PR_DumpPrintf(fd, "CondVar timed wait Threads:\n");
+    DumpThreadQueue(fd, &_PR_SLEEPQ(t->cpu));
+
+    _PR_DumpPrintf(fd, "CondVar wait Threads:\n");
+    DumpThreadQueue(fd, &_PR_PAUSEQ(t->cpu));
+
+    _PR_DumpPrintf(fd, "Suspended Threads:\n");
+    DumpThreadQueue(fd, &_PR_SUSPENDQ(t->cpu));
+}
+
+PR_IMPLEMENT(void) PR_ShowStatus(void)
+{
+    PRIntn is;
+
+    if ( _PR_MD_CURRENT_THREAD()
+    && !_PR_IS_NATIVE_THREAD(_PR_MD_CURRENT_THREAD())) _PR_INTSOFF(is);
+    _pr_dumpOut = _pr_stderr;
+    _PR_DumpThreads(_pr_dumpOut);
+    if ( _PR_MD_CURRENT_THREAD()
+    && !_PR_IS_NATIVE_THREAD(_PR_MD_CURRENT_THREAD())) _PR_FAST_INTSON(is);
+}
+
+PR_IMPLEMENT(void)
+PR_SetThreadDumpProc(PRThread* thread, PRThreadDumpProc dump, void *arg)
+{
+    thread->dump = dump;
+    thread->dumpArg = arg;
+}