sa                 43 usr/lib/posix/signal/sigaction.c 	struct sigaction *sa;
sa                 53 usr/lib/posix/signal/sigaction.c 	sa = &__sig_act[signum];
sa                 56 usr/lib/posix/signal/sigaction.c 		*oact = *sa;
sa                 59 usr/lib/posix/signal/sigaction.c 		*sa = *act;
sa                 62 usr/lib/posix/signal/sigaction.c 	if (sa->sa_handler == SIG_IGN ||
sa                 63 usr/lib/posix/signal/sigaction.c 	    (sa->sa_handler == SIG_DFL && signum == SIGCHLD))