1

src/Compositor.hpp

@@ -72,6 +72,8 @@ public:
     std::string             m_szInstanceSignature = "";
     std::string             m_szCurrentSplash = "error";
 
+    std::mutex              m_mtxEventLoopMutex;
+
     std::vector<std::unique_ptr<SMonitor>>      m_vMonitors;
     std::vector<std::unique_ptr<CWindow>>       m_vWindows;
     std::deque<std::unique_ptr<CWindow>>        m_dUnmanagedX11Windows;

src/debug/HyprCtl.cpp

@@ -592,12 +592,16 @@ std::string getRequestFromThread(std::string rq) {
 
     static auto *const PNOVFR = &g_pConfigManager->getConfigValuePtr("misc:no_vfr")->intValue;
 
+    g_pCompositor->m_mtxEventLoopMutex.lock();
+
     // TODO: is this safe...?
     // this might be a race condition
     // tested with 2 instances of `watch -n 0.1 hyprctl splash` and seems to not crash so I'll take that as a yes
     if (!*PNOVFR)
         g_pCompositor->scheduleFrameForMonitor(g_pCompositor->m_vMonitors.front().get());
 
+    g_pCompositor->m_mtxEventLoopMutex.unlock();
+
     while (HyprCtl::request != "" || HyprCtl::requestMade || HyprCtl::requestReady) {
         std::this_thread::sleep_for(std::chrono::milliseconds(5));
     }

src/helpers/WLListener.cpp

@@ -2,10 +2,13 @@
 #include "MiscFunctions.hpp"
 #include <string>
 #include "../debug/Log.hpp"
+#include "../Compositor.hpp"
 
 void handleWrapped(wl_listener* listener, void* data) {
     CHyprWLListener* pListener = wl_container_of(listener, pListener, m_sListener);
 
+    std::lock_guard<std::mutex> lg(g_pCompositor->m_mtxEventLoopMutex);
+
     pListener->emit(data);
 }