Add nozombies option

Makefile

@@ -1,5 +1,5 @@
 PKG_CONFIG = pkg-config
-VERSION = 0.1
+VERSION = 1.0
 
 # flags and incs
 PKGS = wayland-client wayland-server

README.md

@@ -12,8 +12,14 @@ pkg-config (compile-time only)
 Install these (and their `-devel` versions if your distro has separate
 development packages) and run `make`.
 ## Configuration
-To change idle events modify `config.h`, and recompile. Additionally you can modify
+To change idle events modify `config.h`, and recompile.
-the `killchild` option to send SIGINTs to old children.
+
+### Options
+`killchild`: send SIGINT to children on wake and vice versa.
+
+`nozombies`: removes all zombies, when disabled wiz tries to leave the last
+child as a zombie
+
 ## Acknowledgements
 This project would not have been possible without the following project(s):
 - swaybg for showing how to implement the Idle Notify protocol

config.def.h

@@ -1,6 +1,8 @@
 #define CMD(...) (char*[]){ __VA_ARGS__, NULL }
 
 static const int killchild = 1; /* kill idle command on wake and vice versa */
+static const int nozombies = 1; /* removes all zombies, when disabled wiz tries
+                                   to leave the last child as a zombie */
 
 struct Events events[] = {
   /* idle time (ms) run on idle run on wake */

wiz.c

@@ -140,7 +140,9 @@ main(int argc, char *argv[])
   }
   wl_display_roundtrip(display);
 
-  while (wl_display_dispatch(display) != -1);
+  while (wl_display_dispatch(display) != -1)
+    if (nozombies)
+      waitpid(-1, NULL, WUNTRACED);
 
   ext_idle_notifier_v1_destroy(notifier);
   wl_registry_destroy(registry);