bool Debugger::switchSandboxImpl(DebuggerProxyPtr proxy,
const StringData* newSid,
bool force) {
TRACE(2, "Debugger::switchSandboxImpln");
// Take the new sandbox
DebuggerProxyPtr otherProxy;
{
ProxyMap::accessor acc;
if (m_proxyMap.insert(acc, newSid)) {
acc->second = proxy;
} else {
// the sandbox indicated by newId is already attached by another proxy
if (!force) {
return false;
}
// Delay the destruction of the proxy originally attached to the sandbox
// to avoid calling a DebuggerProxy destructor (which can sleep) while
// holding m_mutex.
otherProxy = acc->second;
acc->second = proxy;
}
}
if (proxy->getSandbox().valid()) {
// Detach from the old sandbox
const StringData* oldSid =
StringData::GetStaticString(proxy->getSandboxId());
setDebuggerFlag(oldSid, false);
m_proxyMap.erase(oldSid);
}
setDebuggerFlag(newSid, true);
if (otherProxy) {
otherProxy->forceQuit();
}
return true;
}
