runners_sigterm
static SIGFUNC_DECL runners_sigterm __P((int));
FIX_SYSV_SIGNAL(sig, runners_sigterm);
Oldsh_term != runners_sigterm)
cursh = sm_signal(SIGTERM, runners_sigterm);
if (cursh != runners_sigterm)
Oldsh != runners_sigterm)
Oldsh != runners_sighup && Oldsh != runners_sigterm)