1 files changed, 233 insertions, 0 deletions
diff --git a/beagle/debian-rfs/usr/lib/perl/5.10.1/IO/Select.pm b/beagle/debian-rfs/usr/lib/perl/5.10.1/IO/Select.pm
new file mode 100644
index 0000000..2a18c7d
--- /dev/null
+++ b/beagle/debian-rfs/usr/lib/perl/5.10.1/IO/Select.pm
@@ -0,0 +1,233 @@
+# IO::Select.pm
+#
+# Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved.
+# This program is free software; you can redistribute it and/or
+# modify it under the same terms as Perl itself.
+
+package IO::Select;
+
+use     strict;
+use warnings::register;
+use     vars qw($VERSION @ISA);
+require Exporter;
+
+$VERSION = "1.17";
+
+@ISA = qw(Exporter); # This is only so we can do version checking
+
+sub VEC_BITS () {0}
+sub FD_COUNT () {1}
+sub FIRST_FD () {2}
+
+sub new
+{
+ my $self = shift;
+ my $type = ref($self) || $self;
+
+ my $vec = bless [undef,0], $type;
+
+ $vec->add(@_)
+    if @_;
+
+ $vec;
+}
+
+sub add
+{
+ shift->_update('add', @_);
+}
+
+sub remove
+{
+ shift->_update('remove', @_);
+}
+
+sub exists
+{
+ my $vec = shift;
+ my $fno = $vec->_fileno(shift);
+ return undef unless defined $fno;
+ $vec->[$fno + FIRST_FD];
+}
+
+sub _fileno
+{
+ my($self, $f) = @_;
+ return unless defined $f;
+ $f = $f->[0] if ref($f) eq 'ARRAY';
+ ($f =~ /^\d+$/) ? $f : fileno($f);
+}
+
+sub _update
+{
+ my $vec = shift;
+ my $add = shift eq 'add';
+
+ my $bits = $vec->[VEC_BITS];
+ $bits = '' unless defined $bits;
+
+ my $count = 0;
+ my $f;
+ foreach $f (@_)
+  {
+   my $fn = $vec->_fileno($f);
+   next unless defined $fn;
+   my $i = $fn + FIRST_FD;
+   if ($add) {
+     if (defined $vec->[$i]) {
+	 $vec->[$i] = $f;  # if array rest might be different, so we update
+	 next;
+     }
+     $vec->[FD_COUNT]++;
+     vec($bits, $fn, 1) = 1;
+     $vec->[$i] = $f;
+   } else {      # remove
+     next unless defined $vec->[$i];
+     $vec->[FD_COUNT]--;
+     vec($bits, $fn, 1) = 0;
+     $vec->[$i] = undef;
+   }
+   $count++;
+  }
+ $vec->[VEC_BITS] = $vec->[FD_COUNT] ? $bits : undef;
+ $count;
+}
+
+sub can_read
+{
+ my $vec = shift;
+ my $timeout = shift;
+ my $r = $vec->[VEC_BITS];
+
+ defined($r) && (select($r,undef,undef,$timeout) > 0)
+    ? handles($vec, $r)
+    : ();
+}
+
+sub can_write
+{
+ my $vec = shift;
+ my $timeout = shift;
+ my $w = $vec->[VEC_BITS];
+
+ defined($w) && (select(undef,$w,undef,$timeout) > 0)
+    ? handles($vec, $w)
+    : ();
+}
+
+sub has_exception
+{
+ my $vec = shift;
+ my $timeout = shift;
+ my $e = $vec->[VEC_BITS];
+
+ defined($e) && (select(undef,undef,$e,$timeout) > 0)
+    ? handles($vec, $e)
+    : ();
+}
+
+sub has_error
+{
+ warnings::warn("Call to deprecated method 'has_error', use 'has_exception'")
+	if warnings::enabled();
+ goto &has_exception;
+}
+
+sub count
+{
+ my $vec = shift;
+ $vec->[FD_COUNT];
+}
+
+sub bits
+{
+ my $vec = shift;
+ $vec->[VEC_BITS];
+}
+
+sub as_string  # for debugging
+{
+ my $vec = shift;
+ my $str = ref($vec) . ": ";
+ my $bits = $vec->bits;
+ my $count = $vec->count;
+ $str .= defined($bits) ? unpack("b*", $bits) : "undef";
+ $str .= " $count";
+ my @handles = @$vec;
+ splice(@handles, 0, FIRST_FD);
+ for (@handles) {
+     $str .= " " . (defined($_) ? "$_" : "-");
+ }
+ $str;
+}
+
+sub _max
+{
+ my($a,$b,$c) = @_;
+ $a > $b
+    ? $a > $c
+        ? $a
+        : $c
+    : $b > $c
+        ? $b
+        : $c;
+}
+
+sub select
+{
+ shift
+   if defined $_[0] && !ref($_[0]);
+
+ my($r,$w,$e,$t) = @_;
+ my @result = ();
+
+ my $rb = defined $r ? $r->[VEC_BITS] : undef;
+ my $wb = defined $w ? $w->[VEC_BITS] : undef;
+ my $eb = defined $e ? $e->[VEC_BITS] : undef;
+
+ if(select($rb,$wb,$eb,$t) > 0)
+  {
+   my @r = ();
+   my @w = ();
+   my @e = ();
+   my $i = _max(defined $r ? scalar(@$r)-1 : 0,
+                defined $w ? scalar(@$w)-1 : 0,
+                defined $e ? scalar(@$e)-1 : 0);
+
+   for( ; $i >= FIRST_FD ; $i--)
+    {
+     my $j = $i - FIRST_FD;
+     push(@r, $r->[$i])
+        if defined $rb && defined $r->[$i] && vec($rb, $j, 1);
+     push(@w, $w->[$i])
+        if defined $wb && defined $w->[$i] && vec($wb, $j, 1);
+     push(@e, $e->[$i])
+        if defined $eb && defined $e->[$i] && vec($eb, $j, 1);
+    }
+
+   @result = (\@r, \@w, \@e);
+  }
+ @result;
+}
+
+sub handles
+{
+ my $vec = shift;
+ my $bits = shift;
+ my @h = ();
+ my $i;
+ my $max = scalar(@$vec) - 1;
+
+ for ($i = FIRST_FD; $i <= $max; $i++)
+  {
+   next unless defined $vec->[$i];
+   push(@h, $vec->[$i])
+      if !defined($bits) || vec($bits, $i - FIRST_FD, 1);
+  }
+ 
+ @h;
+}
+
+1;
+__END__
+