ps_usertramp      333 kern/kern_sig.c 				ps->ps_usertramp |= bit;
ps_usertramp      335 kern/kern_sig.c 				ps->ps_usertramp &= ~bit;
ps_usertramp       61 sys/signalvar.h 	sigset_t ps_usertramp;		/* SunOS compat; libc sigtramp XXX */