Kernel: Refactor synchronization to better match RE

1 files changed, 10 insertions, 0 deletions

diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index 8207f71c3..ca98fd984 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -50,6 +50,16 @@ bool ServerSession::ShouldWait(const Thread* thread) const {
     return pending_requesting_threads.empty() || currently_handling != nullptr;
 }
 
+bool ServerSession::IsSignaled() const {
+    // Closed sessions should never wait, an error will be returned from svcReplyAndReceive.
+    if (!parent->Client()) {
+        return true;
+    }
+
+    // Wait if we have no pending requests, or if we're currently handling a request.
+    return !(pending_requesting_threads.empty() || currently_handling != nullptr);
+}
+
 void ServerSession::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
     // We are now handling a request, pop it from the stack.