We're seeing races on the autobuilder where syslogd fails to shut down
fast enough to be restarted leading to failures.

Add some checks to ensure when restarting that processes exit before
being restarted.

Signed-off-by: Richard Purdie <[email protected]>
---
 meta/recipes-core/busybox/files/syslog | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/busybox/files/syslog 
b/meta/recipes-core/busybox/files/syslog
index 89c4d12e9cd..49033c1755a 100644
--- a/meta/recipes-core/busybox/files/syslog
+++ b/meta/recipes-core/busybox/files/syslog
@@ -51,6 +51,22 @@ else
        SYSLOG_ARGS="-C"
 fi
 
+waitpid ()
+{
+  pid=$1
+  # Give pid a chance to exit before we restart with a 5s timeout in 1s 
intervals
+  if [ -z "$pid" ]; then
+    return
+  fi
+  timeout=5;
+  while [ $timeout -gt 0 ]
+  do
+    timeout=$(( $timeout-1 ))
+    kill -0 $pid 2> /dev/null || break
+    sleep 1
+  done
+}
+
 case "$1" in
   start)
        echo -n "Starting syslogd/klogd: "
@@ -65,7 +81,11 @@ case "$1" in
        echo "done"
        ;;
   restart)
-       $0 stop
+       pid1=`pidof syslogd`
+       pid2=`pidof syslogd`
+       $0 stop
+       waitpid $pid1
+       waitpid $pid2
        $0 start
        ;;
   *)
-- 
2.20.1

-- 
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