From 2a6a492a82eb4937834b8f110f0479cbe8eb2708 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Thu, 10 Nov 2022 16:50:59 +1100 Subject: GHOST/Wayland: report a message when there is a fatal error Help troubleshooting T100855. --- intern/ghost/intern/GHOST_SystemWayland.cpp | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/intern/ghost/intern/GHOST_SystemWayland.cpp b/intern/ghost/intern/GHOST_SystemWayland.cpp index 42da4a3ebbf..528aa6e1884 100644 --- a/intern/ghost/intern/GHOST_SystemWayland.cpp +++ b/intern/ghost/intern/GHOST_SystemWayland.cpp @@ -1157,6 +1157,18 @@ static void gwl_registry_entry_update_all(GWL_Display *display, const int interf /** \name Private Utility Functions * \{ */ +static void ghost_wl_display_report_error(struct wl_display *display) +{ + int ecode = wl_display_get_error(display); + GHOST_ASSERT(ecode, "Error not set!"); + if ((ecode == EPIPE || ecode == ECONNRESET)) { + fprintf(stderr, "The Wayland connection broke. Did the Wayland compositor die?\n"); + } + else { + fprintf(stderr, "The Wayland connection experienced a fatal error: %s\n", strerror(ecode)); + } +} + /** * Callback for WAYLAND to run when there is an error. * @@ -5152,10 +5164,14 @@ bool GHOST_SystemWayland::processEvents(bool waitForEvent) #endif /* WITH_INPUT_NDOF */ if (waitForEvent) { - wl_display_dispatch(display_->wl_display); + if (wl_display_dispatch(display_->wl_display) == -1) { + ghost_wl_display_report_error(display_->wl_display); + } } else { - wl_display_roundtrip(display_->wl_display); + if (wl_display_roundtrip(display_->wl_display) == -1) { + ghost_wl_display_report_error(display_->wl_display); + } } if (getEventManager()->getNumEvents() > 0) { -- cgit v1.2.3