SHUTDOWN_SIGS      24 fs/autofs/waitq.c #define SHUTDOWN_SIGS	(sigmask(SIGKILL) | sigmask(SIGINT) | sigmask(SIGQUIT))
SHUTDOWN_SIGS      25 fs/autofs4/waitq.c #define SHUTDOWN_SIGS	(sigmask(SIGKILL) | sigmask(SIGINT) | sigmask(SIGQUIT))