akr	2011-11-05 17:56:50 +0900 (Sat, 05 Nov 2011)

  New Revision: 33639

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=33639

  Log:
    * ext/socket/init.c (rsock_socket0): don't clear try_sock_cloexec if
      SOCK_CLOEXEC is not a reason for EINVAL.

  Modified files:
    trunk/ChangeLog
    trunk/ext/socket/init.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 33638)
+++ ChangeLog	(revision 33639)
@@ -1,3 +1,8 @@
+Sat Nov  5 17:55:52 2011  Tanaka Akira  <akr@f...>
+
+	* ext/socket/init.c (rsock_socket0): don't clear try_sock_cloexec if
+	  SOCK_CLOEXEC is not a reason for EINVAL.
+
 Sat Nov  5 16:27:52 2011  Kazuki Tsujimoto  <kazuki@c...>
 
 	* ext/pathname/lib/pathname.rb, ext/tk/lib/multi-tk.rb,
Index: ext/socket/init.c
===================================================================
--- ext/socket/init.c	(revision 33638)
+++ ext/socket/init.c	(revision 33639)
@@ -240,34 +240,30 @@
 }
 
 static int
-rsock_socket0(int domain, int type0, int proto)
+rsock_socket0(int domain, int type, int proto)
 {
-    int ret, type;
+    int ret;
 
 #ifdef SOCK_CLOEXEC
     static int try_sock_cloexec = 1;
-    if (try_sock_cloexec)
-        type = type0|SOCK_CLOEXEC;
-    else
-        type = type0;
-  retry_without_sock_cloexec:;
+    if (try_sock_cloexec) {
+        ret = socket(domain, type|SOCK_CLOEXEC, proto);
+        if (ret == -1 && errno == EINVAL) {
+            /* SOCK_CLOEXEC is available since Linux 2.6.27.  Linux 2.6.18 fails with EINVAL */
+            ret = socket(domain, type, proto);
+            if (ret != -1) {
+                try_sock_cloexec = 0;
+            }
+        }
+    }
+    else {
+        ret = socket(domain, type, proto);
+    }
 #else
-    type = type0;
-#endif
-
     ret = socket(domain, type, proto);
-
-    if (ret == -1) {
-#ifdef SOCK_CLOEXEC
-        /* SOCK_CLOEXEC is available since Linux 2.6.27.  Linux 2.6.18 fails with EINVAL */
-        if (try_sock_cloexec && errno == EINVAL) {
-            try_sock_cloexec = 0;
-            type = type0;
-            goto retry_without_sock_cloexec;
-        }
 #endif
+    if (ret == -1)
         return -1;
-    }
 
     rb_fd_fix_cloexec(ret);
 

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