Fix circular dependency

extra/destructors/destructors.factor

@@ -1,6 +1,6 @@
 ! Copyright (C) 2007 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors continuations io.backend io.nonblocking libc
+USING: accessors continuations io.backend libc
 kernel namespaces sequences system vectors ;
 IN: destructors
 
@@ -49,33 +49,3 @@ M: memory-destructor dispose ( obj -- )
 
 : free-later ( alien -- )
     <memory-destructor> <only-once> add-error-destructor ;
-
-! Handles
-TUPLE: handle-destructor alien ;
-
-C: <handle-destructor> handle-destructor
-
-M: handle-destructor dispose ( obj -- )
-    alien>> close-handle ;
-
-: close-always ( handle -- )
-    <handle-destructor> <only-once> add-always-destructor ;
-
-: close-later ( handle -- )
-    <handle-destructor> <only-once> add-error-destructor ;
-
-! Sockets
-TUPLE: socket-destructor alien ;
-
-C: <socket-destructor> socket-destructor
-
-HOOK: destruct-socket io-backend ( obj -- )
-
-M: socket-destructor dispose ( obj -- )
-    alien>> destruct-socket ;
-
-: close-socket-always ( handle -- )
-    <socket-destructor> <only-once> add-always-destructor ;
-
-: close-socket-later ( handle -- )
-    <socket-destructor> <only-once> add-error-destructor ;

extra/io/nonblocking/nonblocking.factor

@@ -20,6 +20,19 @@ GENERIC: init-handle ( handle -- )
 
 GENERIC: close-handle ( handle -- )
 
+TUPLE: handle-destructor handle ;
+
+C: <handle-destructor> handle-destructor
+
+M: handle-destructor dispose ( obj -- )
+    handle>> close-handle ;
+
+: close-always ( handle -- )
+    <handle-destructor> <only-once> add-always-destructor ;
+
+: close-later ( handle -- )
+    <handle-destructor> <only-once> add-error-destructor ;
+
 : <port> ( handle class -- port )
     new
         swap dup init-handle >>handle ; inline

extra/io/unix/sockets/secure/secure.factor

@@ -6,11 +6,13 @@ continuations destructors
 openssl openssl.libcrypto openssl.libssl
 io.files io.nonblocking io.unix.backend io.unix.sockets
 io.encodings.ascii io.buffers io.sockets io.sockets.secure
-unix.ffi ;
+unix ;
 IN: io.unix.sockets.secure
 
 ! todo: SSL_pending, rehandshake
 ! do we call write twice, wth 0 bytes at the end?
+! check-certificate at some point
+! test on windows
 
 M: ssl-handle handle-fd file>> ;
 

extra/io/unix/sockets/sockets.factor

@@ -3,9 +3,9 @@
 USING: alien alien.c-types alien.strings generic kernel math
 namespaces threads sequences byte-arrays io.nonblocking
 io.binary io.unix.backend io.streams.duplex io.sockets.impl
-io.backend io.files io.files.private io.encodings.utf8
+io.backend io.nonblocking io.files io.files.private
-math.parser continuations libc combinators system accessors
+io.encodings.utf8 math.parser continuations libc combinators
-qualified unix ;
+system accessors qualified destructors unix ;
 
 EXCLUDE: io => read write close ;
 EXCLUDE: io.sockets => accept ;

extra/io/windows/windows.factor

@@ -175,6 +175,18 @@ USE: windows.winsock
     [ server-sockaddr ] keep
     sockaddr-type heap-size bind socket-error ;
 
+TUPLE: socket-destructor alien ;
+
+C: <socket-destructor> socket-destructor
+
+HOOK: destruct-socket io-backend ( obj -- )
+
+M: socket-destructor dispose ( obj -- )
+    alien>> destruct-socket ;
+
+: close-socket-later ( handle -- )
+    <socket-destructor> <only-once> add-error-destructor ;
+
 : server-fd ( addrspec type -- fd )
     >r dup protocol-family r> open-socket
         dup close-socket-later