sa_mask           111 include/sys/signal.h 	sigset_t sa_mask;
sa_mask            78 usr/lib/posix/signal/__exception.c 			__sig_mask |= action.sa_mask;
sa_mask            47 usr/lib/posix/signal/signal.c 	act.sa_mask = 0;
sa_mask            49 usr/lib/posix/signal/signal.c 		act.sa_mask = sigmask(sig);