initial import of event based bbinit script (still not included in the real init)

1 files changed, 38 insertions, 0 deletions

diff --git a/boot-env/pbs/uclib-rootfs/bin/handleEvents b/boot-env/pbs/uclib-rootfs/bin/handleEvents
new file mode 100755
index 00000000..9bb78951
--- /dev/null
+++ b/boot-env/pbs/uclib-rootfs/bin/handleEvents
@@ -0,0 +1,38 @@
+#!/bin/hush
+
+# wait for lock
+while [ -f /tmp/bbinit.lock ]
+do 
+ sleep 0.1
+done
+
+# lock eventhandler
+touch /tmp/bbinit.lock
+
+# source list of finished events
+[ -f /tmp/events ] && . /tmp/events
+
+# go through all unhandled events
+for f in $( ls -1 /etc/events.d/ )
+do 
+  .  /etc/events.d/$f
+
+  # check dependencies
+  eval dep=\$${f}_depends
+  havealldeps=1
+  for d in $dep
+  do
+    eval havedep=\$have${d}
+    [ "x$havedep" == "x1" ] || havealldeps=0
+  done
+
+  # if nothing is missing execute script
+  if [ "x$havealldeps" == "x1" ]; then
+    echo executing $f
+    /etc/bbinit.d/$f & 
+    rm /etc/events.d/$f
+  fi 
+done
+
+# unlock eventhandler
+rm /tmp/bbinit.lock