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Annotation of 43BSDTahoe/man/man2/sigpause.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)sigpause.2  6.2 (Berkeley) 5/15/86
        !             6: .\"
        !             7: .TH SIGPAUSE 2 "May 15, 1986"
        !             8: .UC 4
        !             9: .SH NAME
        !            10: sigpause \- atomically release blocked signals and wait for interrupt
        !            11: .SH SYNOPSIS
        !            12: .ft B
        !            13: sigpause(sigmask)
        !            14: .br
        !            15: int sigmask;
        !            16: .ft R
        !            17: .SH DESCRIPTION
        !            18: .I Sigpause
        !            19: assigns 
        !            20: .I sigmask
        !            21: to the set of masked signals
        !            22: and then waits for a signal to arrive;
        !            23: on return the set of masked signals is restored.
        !            24: .I Sigmask
        !            25: is usually 0 to indicate that no
        !            26: signals are now to be blocked.
        !            27: .I Sigpause
        !            28: always terminates by being interrupted, returning \-1 with
        !            29: .I errno
        !            30: set to EINTR.
        !            31: .PP
        !            32: In normal usage, a signal is blocked using
        !            33: .IR sigblock (2),
        !            34: to begin a critical section, variables modified on the occurrence
        !            35: of the signal are examined to determine that there is no work
        !            36: to be done, and the process pauses awaiting work by using
        !            37: .I sigpause
        !            38: with the mask returned by
        !            39: .IR sigblock .
        !            40: .SH SEE ALSO
        !            41: sigblock(2), sigvec(2)

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