ignore SIGCHLD to reap zombies

[micropolis] / res / micropolis.tcl

diff --git a/res/micropolis.tcl b/res/micropolis.tcl
index 421fd2b47b26feb24dd8e1425665231d6703e661..ff1ad9b0acd3a6501d4fb05d9f2f664a8dc80110 100644 (file)
--- a/res/micropolis.tcl
+++ b/res/micropolis.tcl
@@ -941,6 +941,7 @@ proc EchoPlaySound {soundspec} {
   global Sound
   if {$Sound} {
     echo PlaySound [lindex $soundspec 0]
+    signal ignore SIGCHLD
     exec play res/sounds/[string tolower [lindex $soundspec 0]].wav &
   }
 }