svr4_sigmask 58 compat/svr4/svr4_signal.c #define svr4_sigismember(s, n) ((s)->bits[svr4_sigword(n)] & svr4_sigmask(n)) svr4_sigmask 59 compat/svr4/svr4_signal.c #define svr4_sigaddset(s, n) ((s)->bits[svr4_sigword(n)] |= svr4_sigmask(n))