#
# This file is auto-generated. ***ANY*** changes here will be lost
#

package Errno;
use vars qw(@EXPORT_OK %EXPORT_TAGS @ISA $VERSION %errno $AUTOLOAD);
use Exporter ();
use Config;
use strict;

"$Config{'archname'}-$Config{'osvers'}" eq
"alpha-dec_osf-4.0" or
	die "Errno architecture (alpha-dec_osf-4.0) does not match executable architecture ($Config{'archname'}-$Config{'osvers'})";

$VERSION = "1.111";
@ISA = qw(Exporter);

@EXPORT_OK = qw(EPROGUNAVAIL EVERSION EAIO EDUPPKG EPIPE ENOTSOCK
	EIDRM EBADMSG EWOULDBLOCK ENOSPC EFTYPE EISCONN ENOTTY EOPNOTSUPP
	EBADRPC ENODATA EAFNOSUPPORT ESHUTDOWN EAGAIN EADDRNOTAVAIL
	ENETUNREACH ESOCKTNOSUPPORT EPROCLIM ENOTDIR ESRCH EINPROGRESS EISDIR
	EDQUOT EROFS EEXIST EBADF ENOPROTOOPT EINVAL ESUCCESS ERPCMISMATCH
	ENOSTR EPROGMISMATCH ENOLCK ENOMSG ENAMETOOLONG ENOTBLK EMSGSIZE
	EDESTADDRREQ EINTR EPROTONOSUPPORT ETIME ELOOP ECONNREFUSED EIO
	EDEADLK EPROTOTYPE ECONNRESET ENETDOWN EFBIG ESTALE ENOEXEC ENOPKG
	ERELOCATED ENOTCONN ENFILE EACCES ENOSR ETIMEDOUT EPERM ERANGE EREMOTE
	ENOSYM ECANCELED ESPIPE ENOMEM ENOSYS EXDEV ECHILD EPFNOSUPPORT ENODEV
	EALREADY EFAIL ESOFT EMLINK EMEDIA EPROCUNAVAIL ENXIO ETOOMANYREFS
	EUSERS EPROTO ECLONEME EADDRINUSE E2BIG EINPROG EBUSY ECONNABORTED
	ENOENT ENETRESET ENOTEMPTY EDOM EMTIMERS ENOTSUP EHOSTUNREACH ENOBUFS
	EFAULT ETXTBSY EHOSTDOWN EDIRTY EMFILE EILSEQ);

%EXPORT_TAGS = (
    POSIX => [qw(
	E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN EALREADY
	EBADF EBUSY ECHILD ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK
	EDESTADDRREQ EDOM EDQUOT EEXIST EFAULT EFBIG EHOSTDOWN EHOSTUNREACH
	EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK
	EMSGSIZE ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS
	ENODEV ENOENT ENOEXEC ENOLCK ENOMEM ENOPROTOOPT ENOSPC ENOSYS ENOTBLK
	ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM
	EPFNOSUPPORT EPIPE EPROCLIM EPROTONOSUPPORT EPROTOTYPE ERANGE EREMOTE
	EROFS ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESTALE ETIMEDOUT
	ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV
    )]
);

sub ESUCCESS () { 0 }
sub EPERM () { 1 }
sub ENOENT () { 2 }
sub ESRCH () { 3 }
sub EINTR () { 4 }
sub EIO () { 5 }
sub ENXIO () { 6 }
sub E2BIG () { 7 }
sub ENOEXEC () { 8 }
sub EBADF () { 9 }
sub ECHILD () { 10 }
sub EDEADLK () { 11 }
sub ENOMEM () { 12 }
sub EACCES () { 13 }
sub EFAULT () { 14 }
sub ENOTBLK () { 15 }
sub EBUSY () { 16 }
sub EEXIST () { 17 }
sub EXDEV () { 18 }
sub ENODEV () { 19 }
sub ENOTDIR () { 20 }
sub EISDIR () { 21 }
sub EINVAL () { 22 }
sub ENFILE () { 23 }
sub EMFILE () { 24 }
sub ENOTTY () { 25 }
sub ETXTBSY () { 26 }
sub EFBIG () { 27 }
sub ENOSPC () { 28 }
sub ESPIPE () { 29 }
sub EROFS () { 30 }
sub EMLINK () { 31 }
sub EPIPE () { 32 }
sub EDOM () { 33 }
sub ERANGE () { 34 }
sub EAGAIN () { 35 }
sub EWOULDBLOCK () { 35 }
sub EINPROGRESS () { 36 }
sub EALREADY () { 37 }
sub ENOTSOCK () { 38 }
sub EDESTADDRREQ () { 39 }
sub EMSGSIZE () { 40 }
sub EPROTOTYPE () { 41 }
sub ENOPROTOOPT () { 42 }
sub EPROTONOSUPPORT () { 43 }
sub ESOCKTNOSUPPORT () { 44 }
sub EOPNOTSUPP () { 45 }
sub EPFNOSUPPORT () { 46 }
sub EAFNOSUPPORT () { 47 }
sub EADDRINUSE () { 48 }
sub EADDRNOTAVAIL () { 49 }
sub ENETDOWN () { 50 }
sub ENETUNREACH () { 51 }
sub ENETRESET () { 52 }
sub ECONNABORTED () { 53 }
sub ECONNRESET () { 54 }
sub ENOBUFS () { 55 }
sub EISCONN () { 56 }
sub ENOTCONN () { 57 }
sub ESHUTDOWN () { 58 }
sub ETOOMANYREFS () { 59 }
sub ETIMEDOUT () { 60 }
sub ECONNREFUSED () { 61 }
sub ELOOP () { 62 }
sub ENAMETOOLONG () { 63 }
sub EHOSTDOWN () { 64 }
sub EHOSTUNREACH () { 65 }
sub ENOTEMPTY () { 66 }
sub EPROCLIM () { 67 }
sub EUSERS () { 68 }
sub EDQUOT () { 69 }
sub ESTALE () { 70 }
sub EREMOTE () { 71 }
sub EBADRPC () { 72 }
sub ERPCMISMATCH () { 73 }
sub EPROGUNAVAIL () { 74 }
sub EPROGMISMATCH () { 75 }
sub EPROCUNAVAIL () { 76 }
sub ENOLCK () { 77 }
sub ENOSYS () { 78 }
sub EFTYPE () { 79 }
sub ENOMSG () { 80 }
sub EIDRM () { 81 }
sub ENOSR () { 82 }
sub ETIME () { 83 }
sub EBADMSG () { 84 }
sub EPROTO () { 85 }
sub ENODATA () { 86 }
sub ENOSTR () { 87 }
sub ECLONEME () { 88 }
sub EDIRTY () { 89 }
sub EDUPPKG () { 90 }
sub EVERSION () { 91 }
sub ENOPKG () { 92 }
sub ENOSYM () { 93 }
sub ECANCELED () { 94 }
sub EFAIL () { 95 }
sub EINPROG () { 97 }
sub EMTIMERS () { 98 }
sub ENOTSUP () { 99 }
sub EAIO () { 100 }
sub EILSEQ () { 116 }
sub ESOFT () { 123 }
sub EMEDIA () { 124 }
sub ERELOCATED () { 125 }

sub TIEHASH { bless [] }

sub FETCH {
    my ($self, $errname) = @_;
    my $proto = prototype("Errno::$errname");
    my $errno = "";
    if (defined($proto) && $proto eq "") {
	no strict 'refs';
	$errno = &$errname;
        $errno = 0 unless $! == $errno;
    }
    return $errno;
}

sub STORE {
    require Carp;
    Carp::confess("ERRNO hash is read only!");
}

*CLEAR = \&STORE;
*DELETE = \&STORE;

sub NEXTKEY {
    my($k,$v);
    while(($k,$v) = each %Errno::) {
	my $proto = prototype("Errno::$k");
	last if (defined($proto) && $proto eq "");
    }
    $k
}

sub FIRSTKEY {
    my $s = scalar keys %Errno::;	# initialize iterator
    goto &NEXTKEY;
}

sub EXISTS {
    my ($self, $errname) = @_;
    my $proto = prototype($errname);
    defined($proto) && $proto eq "";
}

tie %!, __PACKAGE__;

1;
__END__

=head1 NAME

Errno - System errno constants

=head1 SYNOPSIS

    use Errno qw(EINTR EIO :POSIX);

=head1 DESCRIPTION

C<Errno> defines and conditionally exports all the error constants
defined in your system C<errno.h> include file. It has a single export
tag, C<:POSIX>, which will export all POSIX defined error numbers.

C<Errno> also makes C<%!> magic such that each element of C<%!> has a
non-zero value only if C<$!> is set to that value. For example:

    use Errno;

    unless (open(FH, "/fangorn/spouse")) {
        if ($!{ENOENT}) {
            warn "Get a wife!\n";
        } else {
            warn "This path is barred: $!";
        } 
    } 

If a specified constant C<EFOO> does not exist on the system, C<$!{EFOO}>
returns C<"">.  You may use C<exists $!{EFOO}> to check whether the
constant is available on the system.

=head1 CAVEATS

Importing a particular constant may not be very portable, because the
import will fail on platforms that do not have that constant.  A more
portable way to set C<$!> to a valid value is to use:

    if (exists &Errno::EFOO) {
        $! = &Errno::EFOO;
    }

=head1 AUTHOR

Graham Barr <gbarr@pobox.com>

=head1 COPYRIGHT

Copyright (c) 1997-8 Graham Barr. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

=cut

