save and restore SIGINT handler when connecting to oracle (workaround for a OCI problem: OCI redirects SIGINT, which causes Ctrl-C to fail)
save and restore SIGINT handler when connecting to oracle (workaround for a OCI problem: OCI redirects SIGINT, which causes Ctrl-C to fail)

git-svn-id: 668645f5c615c5338f34c47d21d9e584f02cf8c0@199 8aebba32-5d12-0410-a889-bbfed4e15866

OlafRadicke/tntdb,maekitalo/tntdb,OlafRadicke/tntdb,maekitalo/tntdb