[Xen-API] [PATCH] try extra hard to kill stunnel

[David Scott <dave.scott@xxxxxxxxxxxxx>]

# HG changeset patch
# User David Scott <dave.scott@xxxxxxxxxxxxx>
# Date 1270655800 -3600
# Node ID 2acdc92cc8fee02d10228f58846c8db51fb5dea3
# Parent  08ed7d25bd714e282c3fc758af3daa22db8d548d
CA-39972: try extra hard to kill stunnel in 'service xapissl stop'

Previously we sent one SIGTERM and waited for up to 3 minutes. In a quick test, 
out of 1000 back-to-back 'service xapissl restart' calls, one took the full 3 
minutes, as if the signal was ignored.

Now we send additional SIGTERMS as we go around the loop, one per second. In a 
quick test, 10000 back-to-back 'service xapissl restart' calls completed 
without any taking more than a few seconds.

Signed-off-by: David Scott <dave.scott@xxxxxxxxxxxxx>

diff -r 08ed7d25bd71 -r 2acdc92cc8fe scripts/init.d-xapissl
--- a/scripts/init.d-xapissl    Wed Apr 07 16:56:10 2010 +0100
+++ b/scripts/init.d-xapissl    Wed Apr 07 16:56:40 2010 +0100
@@ -121,6 +121,7 @@
            kill -0 $SSLPID 2> /dev/null
             if [ $? -eq 0 ]; then
                echo -n .
+               kill ${SSLPID} # in case the first signal was missed
                sleep 1
            else
                echo
1 file changed, 1 insertion(+)
scripts/init.d-xapissl |    1 +

Attachment: xen-api.hg.patch
Description: Text Data

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