1 files changed, 50 insertions, 0 deletions
diff --git a/recipes/glib/uwp/0001-gpoll-UWP-does-not-need-to-poll-a-msg_fd.patch b/recipes/glib/uwp/0001-gpoll-UWP-does-not-need-to-poll-a-msg_fd.patch
new file mode 100644
index 00000000..e95c5ece
--- /dev/null
+++ b/recipes/glib/uwp/0001-gpoll-UWP-does-not-need-to-poll-a-msg_fd.patch
@@ -0,0 +1,50 @@
+From 029fc2872786dba06ca5a85294419eb229e080e9 Mon Sep 17 00:00:00 2001
+From: Nirbheek Chauhan <nirbheek@centricular.com>
+Date: Thu, 9 Jul 2020 00:04:22 +0530
+Subject: [PATCH] gpoll: UWP does not need to poll a msg_fd
+
+msg_fd is only set when we need to handle win32 Window Messages, which
+are not available when building with UWP.
+---
+ glib/gpoll.c | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/glib/gpoll.c b/glib/gpoll.c
+index 290c64c..524fd39 100644
+--- a/glib/gpoll.c
++++ b/glib/gpoll.c
+@@ -149,8 +149,15 @@ poll_rest (GPollFD *msg_fd,
+       if (_g_main_poll_debug)
+ 	g_print ("  MsgWaitForMultipleObjectsEx(%d, %d)\n", nhandles, timeout_ms);
+ 
++#ifdef G_WINAPI_ONLY_APP
++      /* msg_fd is only set when we need to handle win32 Window Messages, which
++       * are not available when building with UWP
++       */
++      g_assert_not_reached ();
++#else
+       ready = MsgWaitForMultipleObjectsEx (nhandles, handles, timeout_ms,
+ 					   QS_ALLINPUT, MWMO_ALERTABLE);
++#endif
+ 
+       if (ready == WAIT_FAILED)
+ 	{
+@@ -447,8 +454,15 @@ g_poll (GPollFD *fds,
+ 
+   /* Wait for at least one thread to return */
+   if (msg_fd != NULL)
++#ifdef G_WINAPI_ONLY_APP
++    /* msg_fd is only set when we need to handle win32 Window Messages, which
++     * are not available when building with UWP
++     */
++    g_assert_not_reached ();
++#else
+     ready = MsgWaitForMultipleObjectsEx (nthreads, thread_handles, timeout,
+                                          QS_ALLINPUT, MWMO_ALERTABLE);
++#endif
+   else
+     ready = WaitForMultipleObjects (nthreads, thread_handles, timeout > 0, timeout);
+ 
+-- 
+2.27.0.windows.1
+