avoid using wayland-0 as a socket name

1 files changed, 9 insertions, 3 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 5cf43334..9cf5e272 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -345,15 +345,21 @@ void CCompositor::startCompositor() {
 
     initAllSignals();
 
-    m_szWLDisplaySocket = wl_display_add_socket_auto(m_sWLDisplay);
+    // get socket, avoid using 0
+    for (int candidate = 1; candidate <= 32; candidate++) {
+        if (wl_display_add_socket(m_sWLDisplay, ("wayland-" + std::to_string(candidate)).c_str()) >= 0) {
+            m_szWLDisplaySocket = "wayland-" + std::to_string(candidate);
+            break;
+        }
+    }
 
-    if (!m_szWLDisplaySocket) {
+    if (m_szWLDisplaySocket.empty()) {
         Debug::log(CRIT, "m_szWLDisplaySocket NULL!");
         wlr_backend_destroy(m_sWLRBackend);
         throw std::runtime_error("m_szWLDisplaySocket was null! (wl_display_add_socket_auto failed)");
     }
 
-    setenv("WAYLAND_DISPLAY", m_szWLDisplaySocket, 1);
+    setenv("WAYLAND_DISPLAY", m_szWLDisplaySocket.c_str(), 1);
 
     signal(SIGPIPE, SIG_IGN);