dix: resize EQ to minimum size to avoid reallocs during SIGIO.

When a new device is added, calculate the event size needed if a DCCE event is
sent and set the EQ's event size to this minimum. This avoids reallocs when a
event is sent (which may happen during a SIGIO).

1 files changed, 4 insertions, 0 deletions

diff --git a/mi/mi.h b/mi/mi.h
index 842edf319..0af1a1bd3 100644
--- a/mi/mi.h
+++ b/mi/mi.h
@@ -153,6 +153,10 @@ extern Bool mieqInit(
     void
 );
 
+extern void mieqResize(
+    int /* min_size */
+);
+
 extern void mieqEnqueue(
     DeviceIntPtr /*pDev*/,
     xEventPtr /*e*/