diff --git a/ext/sockets/php_sockets.h b/ext/sockets/php_sockets.h
index df205e5114d..3762e026aa5 100644
--- a/ext/sockets/php_sockets.h
+++ b/ext/sockets/php_sockets.h
@@ -37,41 +37,6 @@ extern zend_module_entry sockets_module_entry;
 #endif
 #endif
 
-PHP_MINIT_FUNCTION(sockets);
-PHP_MINFO_FUNCTION(sockets);
-PHP_RSHUTDOWN_FUNCTION(sockets);
-
-PHP_FUNCTION(socket_select);
-PHP_FUNCTION(socket_create_listen);
-#ifdef HAVE_SOCKETPAIR
-PHP_FUNCTION(socket_create_pair);
-#endif
-PHP_FUNCTION(socket_accept);
-PHP_FUNCTION(socket_set_nonblock);
-PHP_FUNCTION(socket_set_block);
-PHP_FUNCTION(socket_listen);
-PHP_FUNCTION(socket_close);
-PHP_FUNCTION(socket_write);
-PHP_FUNCTION(socket_read);
-PHP_FUNCTION(socket_getsockname);
-PHP_FUNCTION(socket_getpeername);
-PHP_FUNCTION(socket_create);
-PHP_FUNCTION(socket_connect);
-PHP_FUNCTION(socket_strerror);
-PHP_FUNCTION(socket_bind);
-PHP_FUNCTION(socket_recv);
-PHP_FUNCTION(socket_send);
-PHP_FUNCTION(socket_recvfrom);
-PHP_FUNCTION(socket_sendto);
-PHP_FUNCTION(socket_get_option);
-PHP_FUNCTION(socket_set_option);
-#ifdef HAVE_SHUTDOWN
-PHP_FUNCTION(socket_shutdown);
-#endif
-PHP_FUNCTION(socket_last_error);
-PHP_FUNCTION(socket_clear_error);
-PHP_FUNCTION(socket_import_stream);
-
 #ifndef PHP_WIN32
 typedef int PHP_SOCKET;
 # define PHP_SOCKETS_API PHPAPI
@@ -99,13 +64,13 @@ PHP_SOCKETS_API int php_sockets_le_socket(void);
 
 #define php_sockets_le_socket_name "Socket"
 
-/* Prototypes */
-#ifdef ilia_0 /* not needed, only causes a compiler warning */
-static int php_open_listen_sock(php_socket **php_sock, int port, int backlog TSRMLS_DC);
-static int php_accept_connect(php_socket *in_sock, php_socket **new_sock, struct sockaddr *la TSRMLS_DC);
-static int php_read(php_socket *sock, void *buf, size_t maxlen, int flags);
-static char *php_strerror(int error TSRMLS_DC);
-#endif
+#define PHP_SOCKET_ERROR(socket, msg, errn) \
+		do { \
+			int _err = (errn); /* save value to avoid repeated calls to WSAGetLastError() on Windows */ \
+			(socket)->error = _err; \
+			SOCKETS_G(last_error) = _err; \
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s [%d]: %s", msg, _err, php_strerror(_err TSRMLS_CC)); \
+		} while (0)
 
 ZEND_BEGIN_MODULE_GLOBALS(sockets)
 	int last_error;
diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index 5d09ad7fa97..33d8a09d7d5 100644
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -118,10 +118,6 @@ static char *php_strerror(int error TSRMLS_DC);
 #define PHP_NORMAL_READ 0x0001
 #define PHP_BINARY_READ 0x0002
 
-#define PHP_SOCKET_ERROR(socket,msg,errn)	socket->error = errn;	\
-						SOCKETS_G(last_error) = errn; \
-						php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s [%d]: %s", msg, errn, php_strerror(errn TSRMLS_CC))
-
 static int le_socket;
 #define le_socket_name php_sockets_le_socket_name
 
@@ -280,6 +276,41 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_import_stream, 0, 0, 1)
 ZEND_END_ARG_INFO()
 /* }}} */
 
+PHP_MINIT_FUNCTION(sockets);
+PHP_MINFO_FUNCTION(sockets);
+PHP_RSHUTDOWN_FUNCTION(sockets);
+
+PHP_FUNCTION(socket_select);
+PHP_FUNCTION(socket_create_listen);
+#ifdef HAVE_SOCKETPAIR
+PHP_FUNCTION(socket_create_pair);
+#endif
+PHP_FUNCTION(socket_accept);
+PHP_FUNCTION(socket_set_nonblock);
+PHP_FUNCTION(socket_set_block);
+PHP_FUNCTION(socket_listen);
+PHP_FUNCTION(socket_close);
+PHP_FUNCTION(socket_write);
+PHP_FUNCTION(socket_read);
+PHP_FUNCTION(socket_getsockname);
+PHP_FUNCTION(socket_getpeername);
+PHP_FUNCTION(socket_create);
+PHP_FUNCTION(socket_connect);
+PHP_FUNCTION(socket_strerror);
+PHP_FUNCTION(socket_bind);
+PHP_FUNCTION(socket_recv);
+PHP_FUNCTION(socket_send);
+PHP_FUNCTION(socket_recvfrom);
+PHP_FUNCTION(socket_sendto);
+PHP_FUNCTION(socket_get_option);
+PHP_FUNCTION(socket_set_option);
+#ifdef HAVE_SHUTDOWN
+PHP_FUNCTION(socket_shutdown);
+#endif
+PHP_FUNCTION(socket_last_error);
+PHP_FUNCTION(socket_clear_error);
+PHP_FUNCTION(socket_import_stream);
+
 /* {{{ sockets_functions[]
  */
 const zend_function_entry sockets_functions[] = {
@@ -1096,7 +1127,7 @@ PHP_FUNCTION(socket_set_nonblock)
 		if (stream != NULL) {
 			if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, 0,
 					NULL) != -1) {
-				php_sock->blocking = 1;
+				php_sock->blocking = 0;
 				RETURN_TRUE;
 			}
 		}
diff --git a/ext/sockets/tests/ipv6_skipif.inc b/ext/sockets/tests/ipv6_skipif.inc
index ad8cf77b357..1f824630cb8 100644
--- a/ext/sockets/tests/ipv6_skipif.inc
+++ b/ext/sockets/tests/ipv6_skipif.inc
@@ -2,7 +2,5 @@
 if (!defined("AF_INET6")) {
 	die('skip no IPv6 support');
 }
-/* If IPv6 is supported on the platform this will error out with code 111 - Connection refused.
-   If IPv6 is NOT supported, $errno will be set to something else (indicating parse/getaddrinfo error) */
-@stream_socket_client('tcp://[::1]:0', $errno);
-if ($errno != 111) die('skip no IPv6 support');
+if (@stream_socket_client('udp://[::1]:8888') === false)
+	die('skip no IPv6 support');
diff --git a/ext/sockets/tests/socket_import_stream-4-win.phpt b/ext/sockets/tests/socket_import_stream-4-win.phpt
index e2fc523ce58..b36764f6177 100644
--- a/ext/sockets/tests/socket_import_stream-4-win.phpt
+++ b/ext/sockets/tests/socket_import_stream-4-win.phpt
@@ -80,9 +80,6 @@ stream_set_blocking
 Warning: stream_set_blocking(): %d is not a valid stream resource in %s on line %d
 
 socket_set_block 
-Warning: socket_set_block(): An operation was attempted on something that is not a socket.
- in %ssocket_import_stream-4-win.php on line %d
-
 Warning: socket_set_block(): unable to set blocking mode [%d]: An operation was attempted on something that is not a socket.
  in %ssocket_import_stream-4-win.php on line %d
 
diff --git a/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp-win32.phpt b/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp-win32.phpt
new file mode 100644
index 00000000000..ec965094bcc
--- /dev/null
+++ b/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp-win32.phpt
@@ -0,0 +1,62 @@
+--TEST--
+Test if socket_recvfrom() receives data sent by socket_sendto() via IPv6 UDP (Win32)
+--SKIPIF--
+<?php
+if (!extension_loaded('sockets')) {
+    die('SKIP The sockets extension is not loaded.');
+}
+if (substr(PHP_OS, 0, 3) != 'WIN') {
+	die('skip only for Windows');
+}
+require 'ipv6_skipif.inc';
+--FILE--
+<?php
+    $socket = socket_create(AF_INET6, SOCK_DGRAM, SOL_UDP);
+    if (!$socket) {
+        die('Unable to create AF_INET6 socket');
+    }
+    if (!socket_set_nonblock($socket)) {
+        die('Unable to set nonblocking mode for socket');
+    }
+    socket_recvfrom($socket, $buf, 12, 0, $from, $port); // cause warning
+    $address = '::1';
+    socket_sendto($socket, '', 1, 0, $address); // cause warning
+    if (!socket_bind($socket, $address, 1223)) {
+        die("Unable to bind to $address:1223");
+    }
+
+    $msg = "Ping!";
+    $len = strlen($msg);
+    $bytes_sent = socket_sendto($socket, $msg, $len, 0, $address, 1223);
+    if ($bytes_sent == -1) {
+        die('An error occurred while sending to the socket');
+    } else if ($bytes_sent != $len) {
+        die($bytes_sent . ' bytes have been sent instead of the ' . $len . ' bytes expected');
+    }
+
+    $from = "";
+    $port = 0;
+    socket_recvfrom($socket, $buf, 12, 0); // cause warning
+    socket_recvfrom($socket, $buf, 12, 0, $from); // cause warning
+    $bytes_received = socket_recvfrom($socket, $buf, 12, 0, $from, $port);
+    if ($bytes_received == -1) {
+        die('An error occurred while receiving from the socket');
+    } else if ($bytes_received != $len) {
+        die($bytes_received . ' bytes have been received instead of the ' . $len . ' bytes expected');
+    }
+    echo "Received $buf from remote address $from and remote port $port" . PHP_EOL;
+
+    socket_close($socket);
+--EXPECTF--
+Warning: socket_recvfrom(): unable to recvfrom [10022]: An invalid argument was supplied.
+ in %s on line %d
+
+Warning: Wrong parameter count for socket_sendto() in %s on line %d
+
+Warning: socket_recvfrom() expects at least 5 parameters, 4 given in %s on line %d
+
+Warning: Wrong parameter count for socket_recvfrom() in %s on line %d
+Received Ping! from remote address ::1 and remote port 1223
+--CREDITS--
+Falko Menge <mail at falko-menge dot de>
+PHP Testfest Berlin 2009-05-09
diff --git a/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp.phpt b/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp.phpt
index 04f62eddd37..2beb8080cdb 100644
--- a/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp.phpt
+++ b/ext/sockets/tests/socket_sentto_recvfrom_ipv6_udp.phpt
@@ -5,6 +5,9 @@ Test if socket_recvfrom() receives data sent by socket_sendto() via IPv6 UDP
 if (!extension_loaded('sockets')) {
     die('SKIP The sockets extension is not loaded.');
 }
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+	die('skip Not valid for Windows');
+}
 require 'ipv6_skipif.inc';
 --FILE--
 <?php
diff --git a/main/network.c b/main/network.c
index 4972b8045e5..88e166311a8 100644
--- a/main/network.c
+++ b/main/network.c
@@ -1079,11 +1079,6 @@ PHPAPI int php_set_sock_blocking(int socketd, int block TSRMLS_DC)
 	/* with ioctlsocket, a non-zero sets nonblocking, a zero sets blocking */
 	flags = !block;
 	if (ioctlsocket(socketd, FIONBIO, &flags) == SOCKET_ERROR) {
-		char *error_string;
-
-		error_string = php_socket_strerror(WSAGetLastError(), NULL, 0);
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", error_string);
-		efree(error_string);
 		ret = FAILURE;
 	}
 #else