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1.1 ! root 1: .TH SIGSETMASK 2 "7 July 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: sigsetmask \- set current signal mask ! 5: .SH SYNOPSIS ! 6: .nf ! 7: .B sigsetmask(mask); ! 8: .B int mask; ! 9: .SH DESCRIPTION ! 10: .I Sigsetmask ! 11: sets the current signal mask (those signals ! 12: which are blocked from delivery). Signal ! 13: .I i ! 14: is blocked if the ! 15: .IR i -th ! 16: bit in ! 17: .I mask ! 18: is a 1. ! 19: .PP ! 20: The system ! 21: quietly disallows SIGKILL, SIGSTOP, or SIGCONT to ! 22: be blocked. ! 23: .SH "RETURN VALUE ! 24: The previous set of masked signals is returned. ! 25: .SH "SEE ALSO" ! 26: kill(2), sigvec(2), sigblock(2), sigpause(2)
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