[inseparable changes from patch from perl5.003_15 to perl5.003_16]

 CORE PORTABILITY

Subject: _13: patches for unicos/unicosmk
Date: Fri, 20 Dec 1996 14:38:50 -0600
From: Dean Roehrich <roehrich@cray.com>
Files: Configure MANIFEST hints/unicos.sh hints/unicosmk.sh

    private-msgid: <199612202038.OAA22805@poplar.cray.com>

 LIBRARY AND EXTENSIONS

Subject: Refresh IO to 1.14
From: Graham Barr <gbarr@ti.com>
Files: MANIFEST ext/IO/IO.xs ext/IO/README ext/IO/lib/IO/File.pm ext/IO/lib/IO/Handle.pm ext/IO/lib/IO/Pipe.pm ext/IO/lib/IO/Seekable.pm ext/IO/lib/IO/Select.pm ext/IO/lib/IO/Socket.pm t/lib/io_dup.t t/lib/io_pipe.t t/lib/io_sel.t t/lib/io_sock.t t/lib/io_tell.t t/lib/io_udp.t t/lib/io_xs.t

 OTHER CORE CHANGES

Subject: Fix 'foreach(@ARGV) { while (<>) { push @p,$_ } }'
From: Chip Salzenberg <chip@atlantic.net>
Files: cop.h pp_hot.c scope.c

Subject: Eliminate warnings from C< undef $x; $x OP= "foo" >
From: Chip Salzenberg <chip@atlantic.net>
Files: doop.c pp.c pp.h pp_hot.c

Subject: Try again to improve method caching
Date: Mon, 23 Dec 1996 20:13:56 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: gv.c sv.c
Msg-ID: <199612240113.UAA09487@monk.mps.ohio-state.edu>

    (applied based on p5p patch as commit 81c78688fe5c3927ad37ba29de14c86e38120317)

Subject: Be more careful about 'o' magic memory management
From: Chip Salzenberg <chip@atlantic.net>
Files: mg.c sv.c

Subject: Fix bad pointer refs when localized object loses magic
From: Chip Salzenberg <chip@atlantic.net>
Files: scope.c

7 files changed, 215 insertions, 64 deletions

diff --git a/t/lib/io_dup.t b/t/lib/io_dup.t
index ac1768383a..f5d4544490 100755
--- a/t/lib/io_dup.t
+++ b/t/lib/io_dup.t
@@ -1,11 +1,20 @@
 #!./perl
 
 BEGIN {
-    @INC = '../lib';
-    require Config; import Config;
-    if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
-	print "1..0\n";
-	exit 0;
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }
 
diff --git a/t/lib/io_pipe.t b/t/lib/io_pipe.t
index 6f9d30c82f..1d050ff4bd 100755
--- a/t/lib/io_pipe.t
+++ b/t/lib/io_pipe.t
@@ -1,11 +1,21 @@
 #!./perl
 
+
 BEGIN {
-    @INC = '../lib';
-    require Config; import Config;
-    if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
-	print "1..0\n";
-	exit 0;
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }
 
@@ -35,7 +45,7 @@ elsif(defined $pid)
  }
 else
  {
-  die "# error = $!";
+  die;
  }
 
 $pipe = new IO::Pipe;
diff --git a/t/lib/io_sel.t b/t/lib/io_sel.t
index e69de29bb2..44d9757093 100755
--- a/t/lib/io_sel.t
+++ b/t/lib/io_sel.t
@@ -0,0 +1,108 @@
+#!./perl
+
+BEGIN {
+    unless(grep /blib/, @INC) {
+        chdir 't' if -d 't';
+        @INC = '../lib' if -d '../lib';
+    }
+}
+
+select(STDERR); $| = 1;
+select(STDOUT); $| = 1;
+
+print "1..21\n";
+
+use IO::Select 1.09;
+
+my $sel = new IO::Select(\*STDIN);
+$sel->add(4, 5) == 2 or print "not ";
+print "ok 1\n";
+
+$sel->add([\*STDOUT, 'foo']) == 1 or print "not ";
+print "ok 2\n";
+
+@handles = $sel->handles;
+print "not " unless $sel->count == 4 && @handles == 4;
+print "ok 3\n";
+#print $sel->as_string, "\n";
+
+$sel->remove(\*STDIN) == 1 or print "not ";
+print "ok 4\n",
+;
+$sel->remove(\*STDIN, 5, 6) == 1  # two of there are not present
+  or print "not ";
+print "ok 5\n";
+
+print "not " unless $sel->count == 2;
+print "ok 6\n";
+#print $sel->as_string, "\n";
+
+$sel->remove(1, 4);
+print "not " unless $sel->count == 0 && !defined($sel->bits);
+print "ok 7\n";
+
+$sel = new IO::Select;
+print "not " unless $sel->count == 0 && !defined($sel->bits);
+print "ok 8\n";
+
+$sel->remove([\*STDOUT, 5]);
+print "not " unless $sel->count == 0 && !defined($sel->bits);
+print "ok 9\n";
+
+@a = $sel->can_read();  # should return imediately
+print "not " unless @a == 0;
+print "ok 10\n";
+
+# we assume that we can write to STDOUT :-)
+$sel->add([\*STDOUT, "ok 12\n"]);
+
+@a = $sel->can_write;
+print "not " unless @a == 1;
+print "ok 11\n";
+
+my($fd, $msg) = @{shift @a};
+print $fd $msg;
+
+$sel->add(\*STDOUT);  # update
+
+@a = IO::Select::select(undef, $sel, undef, 1);
+print "not " unless @a == 3;
+print "ok 13\n";
+
+($r, $w, $e) = @a;
+
+print "not " unless @$r == 0 && @$w == 1 && @$e == 0;
+print "ok 14\n";
+
+$fd = $w->[0];
+print $fd "ok 15\n";
+
+# Test new exists() method
+$sel->exists(\*STDIN) and print "not ";
+print "ok 16\n";
+
+($sel->exists(0) || $sel->exists([\*STDERR])) and print "not ";
+print "ok 17\n";
+
+$fd = $sel->exists(\*STDOUT);
+if ($fd) {
+    print $fd "ok 18\n";
+} else {
+    print "not ok 18\n";
+}
+
+$fd = $sel->exists([1, 'foo']);
+if ($fd) {
+    print $fd "ok 19\n";
+} else {
+    print "not ok 19\n";
+}
+
+# Try self clearing
+$sel->add(5,6,7,8,9,10);
+print "not " unless $sel->count == 7;
+print "ok 20\n";
+
+$sel->remove($sel->handles);
+print "not " unless $sel->count == 0 && !defined($sel->bits);
+print "ok 21\n";
diff --git a/t/lib/io_sock.t b/t/lib/io_sock.t
index 156f6cb78f..c3701c5655 100755
--- a/t/lib/io_sock.t
+++ b/t/lib/io_sock.t
@@ -1,14 +1,22 @@
 #!./perl
 
 BEGIN {
-    chdir 't' if -d 't';
-    @INC = '../lib' if -d '../lib';
-    require Config; import Config;
-    if ( ($Config{'extensions'} !~ /\bSocket\b/ ||
-          $Config{'extensions'} !~ /\bIO\b/)    &&
-          !(($^O eq 'VMS') && $Config{d_socket})) {
-	print "1..0\n";
-	exit 0;
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ( ($Config{'extensions'} !~ /\bSocket\b/ ||
+              $Config{'extensions'} !~ /\bIO\b/)    &&
+              !(($^O eq 'VMS') && $Config{d_socket})) {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }
 
@@ -17,24 +25,15 @@ print "1..5\n";
 
 use IO::Socket;
 
-srand(time);
-$port = 4002 + int(rand 0xff);
-print "# using port $port.\n";
-$SIG{ALRM} = sub {};
-
-$pid =  fork();
-
-if($pid) {
+$listen = IO::Socket::INET->new(Listen => 2,
+				Proto => 'tcp',
+			       ) or die "$!";
 
-    $listen = IO::Socket::INET->new(Listen => 2,
-				    Proto => 'tcp',
-				    LocalPort => $port
-				   ) or die "$!";
+print "ok 1\n";
 
-    print "ok 1\n";
+$port = $listen->sockport;
 
-    # Wake out child
-    kill(ALRM => $pid);
+if($pid = fork()) {
 
     $sock = $listen->accept();
     print "ok 2\n";
@@ -49,12 +48,8 @@ if($pid) {
     waitpid($pid,0);
 
     print "ok 5\n";
-} elsif(defined $pid) {
-
-    # Wait for a small pause, so that we can ensure the listen socket is setup
-    # the parent will awake us with a SIGALRM
 
-    sleep(10);
+} elsif(defined $pid) {
 
     $sock = IO::Socket::INET->new(PeerPort => $port,
 				  Proto => 'tcp',
@@ -62,9 +57,13 @@ if($pid) {
 				 ) or die "$!";
 
     $sock->autoflush(1);
+
     print $sock "ok 3\n";
+
     print $sock->getline();
+
     $sock->close;
+
     exit;
 } else {
  die;
diff --git a/t/lib/io_tell.t b/t/lib/io_tell.t
index 5a706fb876..f45d21e095 100755
--- a/t/lib/io_tell.t
+++ b/t/lib/io_tell.t
@@ -1,14 +1,24 @@
 #!./perl
 
-# $RCSfile: tell.t,v $$Revision: 1.1 $$Date: 1996/05/01 10:52:47 $
+BEGIN {
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+	$tell_file = "TEST";
+    }
+    else {
+	$tell_file = "Makefile";
+    }
+}
+
+use Config;
 
 BEGIN {
-    chdir 't' if -d 't';
-    @INC = '../lib' if -d '../lib';
-    require Config; import Config;
-    if ($Config{'extensions'} !~ /\bIO\b/ && !($^O eq 'VMS')) {
-	print "1..0\n";
-	exit 0;
+    if(-d "lib" && -f "TEST") {
+        if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }
 
@@ -16,7 +26,7 @@ print "1..13\n";
 
 use IO::File;
 
-$tst = IO::File->new("TEST","r") || die("Can't open TEST");
+$tst = IO::File->new("$tell_file","r") || die("Can't open $tell_file");
 
 if ($tst->eof) { print "not ok 1\n"; } else { print "ok 1\n"; }
 
diff --git a/t/lib/io_udp.t b/t/lib/io_udp.t
index e85583fdb3..d8377f6446 100755
--- a/t/lib/io_udp.t
+++ b/t/lib/io_udp.t
@@ -1,15 +1,23 @@
 #!./perl
 
 BEGIN {
-    chdir 't' if -d 't';
-    @INC = '../lib' if -d '../lib';
-    require Config; import Config;
-    if ( ($Config{'extensions'} !~ /\bSocket\b/ ||
-          $Config{'extensions'} !~ /\bIO\b/	||
-	  $^O eq 'os2')    &&
-          !(($^O eq 'VMS') && $Config{d_socket})) {
-	print "1..0\n";
-	exit 0;
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ( ($Config{'extensions'} !~ /\bSocket\b/ ||
+              $Config{'extensions'} !~ /\bIO\b/	||
+	      $^O eq 'os2')    &&
+              !(($^O eq 'VMS') && $Config{d_socket})) {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }
 
@@ -25,7 +33,7 @@ $udpb = IO::Socket::INET->new(Proto => 'udp', LocalAddr => 'localhost');
 print "ok 1\n";
 
 $udpa->send("ok 2\n",0,$udpb->sockname);
-$rem = $udpb->recv($buf="",5);
+$udpb->recv($buf="",5);
 print $buf;
 $udpb->send("ok 3\n");
 $udpa->recv($buf="",5);
diff --git a/t/lib/io_xs.t b/t/lib/io_xs.t
index bff3d69c4c..3426ebe896 100755
--- a/t/lib/io_xs.t
+++ b/t/lib/io_xs.t
@@ -1,13 +1,20 @@
 #!./perl
-$| = 1;
 
 BEGIN {
-    chdir 't' if -d 't';
-    @INC = '../lib' if -d '../lib';
-    require Config; import Config;
-    if ($Config{'extensions'} !~ /\bIO\b/ && !($^O eq 'VMS')) {
-	print "1..0\n";
-	exit 0;
+    unless(grep /blib/, @INC) {
+	chdir 't' if -d 't';
+	@INC = '../lib' if -d '../lib';
+    }
+}
+
+use Config;
+
+BEGIN {
+    if(-d "lib" && -f "TEST") {
+        if ($Config{'extensions'} !~ /\bIO\b/ && $^O ne 'VMS') {
+	    print "1..0\n";
+	    exit 0;
+        }
     }
 }