From 01a98af09882aa416f6c90060b472c27ef3d4bf5 Mon Sep 17 00:00:00 2001
From: DH <dh.rpcs3@gmail.com>
Date: Thu, 13 Jul 2023 14:44:57 +0300
Subject: [PATCH] [rpcsx-os] Wake umtx on thr_exit

---
 rpcsx-os/ops.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rpcsx-os/ops.cpp b/rpcsx-os/ops.cpp
index d07dfde9..d672ca62 100644
--- a/rpcsx-os/ops.cpp
+++ b/rpcsx-os/ops.cpp
@@ -4,6 +4,7 @@
 #include "orbis/module/ModuleHandle.hpp"
 #include "orbis/thread/Process.hpp"
 #include "orbis/thread/Thread.hpp"
+#include "orbis/umtx.hpp"
 #include "orbis/utils/Rc.hpp"
 #include "thread.hpp"
 #include "vfs.hpp"
@@ -492,7 +493,10 @@ SysResult thr_new(orbis::Thread *thread, orbis::ptr<thr_param> param,
 SysResult thr_exit(orbis::Thread *thread, orbis::ptr<orbis::slong> state) {
   std::printf("Requested exit of thread %u, state %p\n", (unsigned)thread->tid,
               state);
-  // FIXME: do sys_mtx(WAKE) if state is not null
+  if (state != nullptr) {
+    static_cast<void>(uwrite(state, (orbis::slong)1));
+    umtx_wake(thread, state, INT_MAX);
+  }
 
   // FIXME: implement exit
   while (true) {