From 9755536ac2f6674c6915a559bd72c1c44b6a5672 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 9 Feb 2009 08:35:04 +0000
Subject: merge revision(s) 20189: 	* win32/win32.c (rb_w32_accept):
 secure fd before accept because if 	  error causes in securing, cannot
 restore the state of accepted 	  socket. 	  fixed [ruby-core:19728]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@22171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 win32/win32.c | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

(limited to 'win32')

diff --git a/win32/win32.c b/win32/win32.c
index 4b83480ff1..3b49ecaa85 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -2196,21 +2196,32 @@ int
 rb_w32_accept(int s, struct sockaddr *addr, int *addrlen)
 {
     SOCKET r;
+    int fd;
 
     if (!NtSocketsInitialized) {
 	StartSockets();
     }
     RUBY_CRITICAL({
-	r = accept(TO_SOCKET(s), addr, addrlen);
-	if (r == INVALID_SOCKET) {
-	    errno = map_errno(WSAGetLastError());
-	    s = -1;
-	}
-	else {
-	    s = rb_w32_open_osfhandle(r, O_RDWR|O_BINARY);
+	HANDLE h = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
+	fd = rb_w32_open_osfhandle((long)h, O_RDWR|O_BINARY|O_NOINHERIT);
+	if (fd != -1) {
+	    r = accept(TO_SOCKET(s), addr, addrlen);
+	    if (r != INVALID_SOCKET) {
+		MTHREAD_ONLY(EnterCriticalSection(&(_pioinfo(fd)->lock)));
+		_set_osfhnd(fd, r);
+		MTHREAD_ONLY(LeaveCriticalSection(&_pioinfo(fd)->lock));
+		CloseHandle(h);
+	    }
+	    else {
+		errno = map_errno(WSAGetLastError());
+		close(fd);
+		fd = -1;
+	    }
 	}
+	else
+	    CloseHandle(h);
     });
-    return s;
+    return fd;
 }
 
 #undef bind
-- 
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