# First, without any locking, check-list is called. It should produce
# a list of package names. Then check-package will be invoked for
# each named package, in each case after taking an appropriate lock.
# First, without any locking, check-list is called. It should produce
# a list of package names. Then check-package will be invoked for
# each named package, in each case after taking an appropriate lock.