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NAME
    OpenBSD::Pledge - Perl interface to OpenBSD pledge(2)

SYNOPSIS
      use OpenBSD::Pledge;

      my $file = "/usr/share/dict/words";
      pledge( qw( rpath ) ) || die "Unable to pledge: $!";
      open my $fh, '<', $file or die "Unable to open $file: $!";

      pledge() || die "Unable to pledge again: $!";
      print grep { /pledge/i } readline($fh);
      close $fh;

DESCRIPTION
    This module provides a perl interface to OpenBSD's pledge(2) syscall(2).

    Once you promise that your program will only use certain syscalls the
    kernel will kill the program if it attempts to call any other
    interfaces.

EXPORT
    Exports "pledge" by default.

FUNCTIONS
  pledge
    Perl interface to pledge(2).

            pledge(@promises)

    The "stdio" promise is always implied, as perl(1) itself is useless
    without it.

    Returns true on success, returns false and sets $! on failure

BUGS AND LIMITATIONS
    Perl is particularly fond of "stdio" so that promise is always added by
    "pledge".

SEE ALSO
    pledge(2)

    <http://man.openbsd.org/pledge.2>

AUTHOR
    Andrew Hewus Fresh, <afresh1@OpenBSD.org>

LICENSE AND COPYRIGHT
    Copyright (C) 2015,2021 by Andrew Hewus Fresh <afresh1@OpenBSD.org>

    Permission to use, copy, modify, and distribute this software for any
    purpose with or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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This is a perl interface to OpenBSD's pledge system call.

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