Symbol: cantsend
usr/src/uts/common/os/strsubr.c
3209
if (!cantsend(p, t, SIGHUP))
usr/src/uts/common/os/strsubr.c
3226
if (p->p_detached || cantsend(p, t, SIGTTIN)) {
usr/src/uts/common/os/strsubr.c
3237
cantsend(p, t, SIGTTOU)) {