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Annotation of cci/usr/src/man/man2/sigblock.2, revision 1.1

1.1     ! root        1: .TH SIGBLOCK 2 "15 June 1983"
        !             2: .UC 4
        !             3: .SH NAME
        !             4: sigblock \- block signals
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B sigblock(mask);
        !             8: .B int mask;
        !             9: .SH DESCRIPTION
        !            10: .I Sigblock
        !            11: causes the signals specified in
        !            12: .I mask
        !            13: to be added to the set of signals currently
        !            14: being blocked from delivery.  Signal
        !            15: .I i
        !            16: is blocked if the
        !            17: .IR i -th
        !            18: bit in 
        !            19: .I mask
        !            20: is a 1.
        !            21: .PP
        !            22: It is not possible to block SIGKILL,
        !            23: SIGSTOP, or SIGCONT;  this restriction is silently
        !            24: imposed by the system.
        !            25: .SH "RETURN VALUE
        !            26: The previous set of masked signals is returned.
        !            27: .SH "SEE ALSO"
        !            28: kill(2), sigvec(2), sigsetmask(2),

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