locking TESTSUITE/spool/db/retry.lockfile
fresh-exec forking for delivery (local)
postfork: delivery (local)
-delivery (local) forking for child-open
-postfork: child-open
+delivery (local) forking for pipe-tpt-cmd
+postfork: pipe-tpt-cmd
fresh-exec forked for delivery (local): npppp
-delivery (local) forked for child-open: npppp
+delivery (local) forked for pipe-tpt-cmd: npppp
delivery (local) forking for pipe-transport output
postfork: pipe-transport output
delivery (local) forked for pipe-transport output: npppp