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