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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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