ruby-list

なかだです。

At Mon, 9 Jul 2001 13:58:37 +0900,
Inoue <inoue@motonet.co.jp> wrote:
> OS WindowsNT4.0 Server
> ruby 1.6.4 preview5

  すいません、Windows用は3種類あるので ruby --version の出力を
教えてください。

  cygwinだとすればおそらく以前から何度か出てる話でしょう。MSDN
Onlineでconnect()を調べるとこんなこと書いてあるので、
EINPROGRESSと同じ対応が必要なのかと思います。なにでどっちが返っ
て来るのか分からないのですが。

Until the connection attempt completes on a nonblocking socket,
all subsequent calls to connect on the same socket will fail
with the error code WSAEALREADY, and WSAEISCONN when the
connection completes successfully. Due to ambiguities in
version 1.1 of the Windows Sockets specification, error codes
returned from connect while a connection is already pending may
vary among implementations. As a result, it is not recommended
that applications use multiple calls to connect to detect
connection completion. If they do, they must be prepared to
handle WSAEINVAL and WSAEWOULDBLOCK error values the same way
that they handle WSAEALREADY, to assure robust execution.

Error Code	Meaning

WSAEINPROGRESS	A blocking Windows Sockets 1.1 call is in
		progress, or the service provider is still
		processing a callback function.

WSAEALREADY	A nonblocking connect call is in progress on
		the specified socket.

		Note In order to preserve backward
		compatibility, this error is reported as
		WSAEINVAL to Windows Sockets 1.1 applications
		that link to either Winsock.dll or Wsock32.dll.


Index: socket.c
===================================================================
RCS file: /cvs/ruby/src/ruby/ext/socket/socket.c,v
retrieving revision 1.45
diff -u -2 -p -r1.45 socket.c
--- socket.c	2001/06/22 15:48:59	1.45
+++ socket.c	2001/07/09 04:33:07
@@ -744,5 +744,9 @@ ruby_connect(fd, sockaddr, len, socks)
 #ifdef EINPROGRESS
 	      case EINPROGRESS:
-#if defined __CYGWIN__
+#endif
+#ifdef EALREADY
+	      case EALREADY:
+#endif
+#if (defined EINPROGRESS || defined EALREADY) && defined __CYGWIN__
 		{
 		    struct timeval tv;
@@ -751,5 +755,4 @@ ruby_connect(fd, sockaddr, len, socks)
 		    rb_thread_wait_for(tv);
 		}
-#endif
 #endif
 		thread_write_select(fd);


-- 
--- 僕の前にBugはない。
--- 僕の後ろにBugはできる。
    中田 伸悦

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