[mutter] mutter: Raise the NOFILE limit if a Wayland compositor

[Marge Bot <marge-bot src gnome org>]

commit 6427b2760263aa11864ea95279699f96cea4d771
Author: Olivier Fourdan <ofourdan redhat com>
Date:   Tue Jan 18 17:58:49 2022 +0100

    mutter: Raise the NOFILE limit if a Wayland compositor
    
    When being run as a Wayland compositor, raise the NOFILE limit to
    mitigate the risk of running out of file descriptors.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2235>

 src/core/mutter.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/core/mutter.c b/src/core/mutter.c
index 51b9951b13..3772ecca4e 100644
--- a/src/core/mutter.c
+++ b/src/core/mutter.c
@@ -170,6 +170,9 @@ main (int argc, char **argv)
       g_child_watch_add (command_pid, command_exited_cb, context);
     }
 
+  if (meta_context_get_compositor_type (context) == META_COMPOSITOR_TYPE_WAYLAND)
+    meta_context_raise_rlimit_nofile (context, NULL);
+
   if (!meta_context_run_main_loop (context, &error))
     {
       g_printerr ("Mutter terminated with a failure: %s\n", error->message);