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-rw-r--r--nsprpub/pr/src/cplus/rcthread.cpp221
1 files changed, 221 insertions, 0 deletions
diff --git a/nsprpub/pr/src/cplus/rcthread.cpp b/nsprpub/pr/src/cplus/rcthread.cpp
new file mode 100644
index 0000000000..471e580a2c
--- /dev/null
+++ b/nsprpub/pr/src/cplus/rcthread.cpp
@@ -0,0 +1,221 @@
+/* -*- 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/. */
+
+/* RCThread.cpp - C++ wrapper on NSPR */
+
+#include "rcthread.h"
+#include "rcinrval.h"
+
+#include <prmem.h>
+#include <prlog.h>
+#include <stdio.h>
+#include <prinit.h>
+
+static RCPrimordialThread *primordial = NULL;
+
+void nas_Root(void *arg)
+{
+ RCThread *him = (RCThread*)arg;
+ while (RCThread::ex_unstarted == him->execution) {
+ (void)PR_Sleep(PR_INTERVAL_NO_TIMEOUT); /* wait for Start() */
+ }
+ him->RootFunction(); /* he gets a self reference */
+ if (PR_UNJOINABLE_THREAD == PR_GetThreadState(him->identity)) {
+ delete him;
+ }
+} /* nas_Root */
+
+RCThread::~RCThread() { }
+
+RCThread::RCThread(): RCBase() { }
+
+RCThread::RCThread(const RCThread&): RCBase()
+{
+ PR_NOT_REACHED("Cannot call thread copy constructor");
+} /* RCThread::RCThread */
+
+RCThread::RCThread(
+ RCThread::Scope scope, RCThread::State join, PRUint32 stackSize):
+ RCBase()
+{
+ execution = ex_unstarted;
+ identity = PR_CreateThread(
+ PR_USER_THREAD, nas_Root, this,
+ PR_GetThreadPriority(PR_GetCurrentThread()),
+ (PRThreadScope)scope, (PRThreadState)join, stackSize);
+} /* RCThread::RCThread */
+
+void RCThread::operator=(const RCThread&)
+{
+ PR_NOT_REACHED("Cannot call thread assignment operator");
+} /* RCThread::operator= */
+
+
+PRStatus RCThread::Start()
+{
+ PRStatus rv;
+ /* This is an unsafe check, but not too critical */
+ if (RCThread::ex_unstarted == execution)
+ {
+ execution = RCThread::ex_started;
+ rv = PR_Interrupt(identity);
+ PR_ASSERT(PR_SUCCESS == rv);
+ }
+ else
+ {
+ rv = PR_FAILURE;
+ PR_SetError(PR_INVALID_STATE_ERROR, 0);
+ }
+ return rv;
+} /* RCThread::Start */
+
+PRStatus RCThread::Join()
+{
+ PRStatus rv;
+ if (RCThread::ex_unstarted == execution)
+ {
+ rv = PR_FAILURE;
+ PR_SetError(PR_INVALID_STATE_ERROR, 0);
+ }
+ else {
+ rv = PR_JoinThread(identity);
+ }
+ if (PR_SUCCESS == rv) {
+ delete this;
+ }
+ return rv;
+} /* RCThread::Join */
+
+PRStatus RCThread::Interrupt()
+{
+ PRStatus rv;
+ if (RCThread::ex_unstarted == execution)
+ {
+ rv = PR_FAILURE;
+ PR_SetError(PR_INVALID_STATE_ERROR, 0);
+ }
+ else {
+ rv = PR_Interrupt(identity);
+ }
+ return rv;
+} /* RCThread::Interrupt */
+
+void RCThread::ClearInterrupt() {
+ PR_ClearInterrupt();
+}
+
+void RCThread::SetPriority(RCThread::Priority new_priority)
+{
+ PR_SetThreadPriority(identity, (PRThreadPriority)new_priority);
+}
+
+PRThread *RCThread::Self()
+{
+ return PR_GetCurrentThread();
+}
+
+RCThread::Scope RCThread::GetScope() const
+{
+ return (RCThread::Scope)PR_GetThreadScope(identity);
+}
+
+RCThread::State RCThread::GetState() const
+{
+ return (RCThread::State)PR_GetThreadState(identity);
+}
+
+RCThread::Priority RCThread::GetPriority() const
+{
+ return (RCThread::Priority)PR_GetThreadPriority(identity);
+}
+
+static void _rc_PDDestructor(RCThreadPrivateData* privateData)
+{
+ PR_ASSERT(NULL != privateData);
+ privateData->Release();
+}
+
+static PRThreadPrivateDTOR _tpd_dtor = (PRThreadPrivateDTOR)_rc_PDDestructor;
+
+PRStatus RCThread::NewPrivateIndex(PRUintn* index)
+{
+ return PR_NewThreadPrivateIndex(index, _tpd_dtor);
+}
+
+PRStatus RCThread::SetPrivateData(PRUintn index)
+{
+ return PR_SetThreadPrivate(index, NULL);
+}
+
+PRStatus RCThread::SetPrivateData(PRUintn index, RCThreadPrivateData* data)
+{
+ return PR_SetThreadPrivate(index, data);
+}
+
+RCThreadPrivateData* RCThread::GetPrivateData(PRUintn index)
+{
+ return (RCThreadPrivateData*)PR_GetThreadPrivate(index);
+}
+
+PRStatus RCThread::Sleep(const RCInterval& ticks)
+{
+ PRIntervalTime tmo = ticks;
+ return PR_Sleep(tmo);
+}
+
+RCPrimordialThread *RCThread::WrapPrimordialThread()
+{
+ /*
+ ** This needs to take more care in insuring that the thread
+ ** being wrapped is really the primordial thread. This code
+ ** is assuming that the caller is the primordial thread, and
+ ** there's nothing to insure that.
+ */
+ if (NULL == primordial)
+ {
+ /* it doesn't have to be perfect */
+ RCPrimordialThread *me = new RCPrimordialThread();
+ PR_ASSERT(NULL != me);
+ if (NULL == primordial)
+ {
+ primordial = me;
+ me->execution = RCThread::ex_started;
+ me->identity = PR_GetCurrentThread();
+ }
+ else {
+ delete me; /* somebody beat us to it */
+ }
+ }
+ return primordial;
+} /* RCThread::WrapPrimordialThread */
+
+RCPrimordialThread::RCPrimordialThread(): RCThread() { }
+
+RCPrimordialThread::~RCPrimordialThread() { }
+
+void RCPrimordialThread::RootFunction()
+{
+ PR_NOT_REACHED("Primordial thread calling root function");
+} /* RCPrimordialThread::RootFunction */
+
+PRStatus RCPrimordialThread::Cleanup() {
+ return PR_Cleanup();
+}
+
+PRStatus RCPrimordialThread::SetVirtualProcessors(PRIntn count)
+{
+ PR_SetConcurrency(count);
+ return PR_SUCCESS;
+} /* SetVirutalProcessors */
+
+RCThreadPrivateData::RCThreadPrivateData() { }
+
+RCThreadPrivateData::RCThreadPrivateData(
+ const RCThreadPrivateData& him) { }
+
+RCThreadPrivateData::~RCThreadPrivateData() { }
+
+/* RCThread.c */
+