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Merge pull request #3088 from Subv/clientsession_closing

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Kernel/Sessions: Wake up any threads waiting on a ServerSession when its client is closed
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Sebastian Valle 2017-11-15 09:15:34 -05:00 committed by GitHub
commit 93742ec510
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2 changed files with 13 additions and 4 deletions
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10
src/core/hle/kernel/client_session.cpp
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@ -26,9 +26,6 @@ ClientSession::~ClientSession() {
if (hle_handler) if (hle_handler)
hle_handler->ClientDisconnected(server); hle_handler->ClientDisconnected(server);
// TODO(Subv): Force a wake up of all the ServerSession's waiting threads and set
// their WaitSynchronization result to 0xC920181A.
// Clean up the list of client threads with pending requests, they are unneeded now that the // Clean up the list of client threads with pending requests, they are unneeded now that the
// client endpoint is closed. // client endpoint is closed.
server->pending_requesting_threads.clear(); server->pending_requesting_threads.clear();
@ -36,6 +33,13 @@ ClientSession::~ClientSession() {
} }
parent->client = nullptr; parent->client = nullptr;
if (server) {
// Notify any threads waiting on the ServerSession that the endpoint has been closed. Note
// that this call has to happen after `Session::client` has been set to nullptr to let the
// ServerSession know that the client endpoint has been closed.
server->WakeupAllWaitingThreads();
}
} }
ResultCode ClientSession::SendSyncRequest(SharedPtr<Thread> thread) { ResultCode ClientSession::SendSyncRequest(SharedPtr<Thread> thread) {

7
src/core/hle/kernel/server_session.cpp
View file

@ -47,8 +47,13 @@ bool ServerSession::ShouldWait(Thread* thread) const {
void ServerSession::Acquire(Thread* thread) { void ServerSession::Acquire(Thread* thread) {
ASSERT_MSG(!ShouldWait(thread), "object unavailable!"); ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
// If the client endpoint was closed, don't do anything. This ServerSession is now useless and
// will linger until its last handle is closed by the running application.
if (parent->client == nullptr)
return;
// We are now handling a request, pop it from the stack. // We are now handling a request, pop it from the stack.
// TODO(Subv): What happens if the client endpoint is closed before any requests are made?
ASSERT(!pending_requesting_threads.empty()); ASSERT(!pending_requesting_threads.empty());
currently_handling = pending_requesting_threads.back(); currently_handling = pending_requesting_threads.back();
pending_requesting_threads.pop_back(); pending_requesting_threads.pop_back();