akr	2009-10-24 00:38:06 +0900 (Sat, 24 Oct 2009)

  New Revision: 25446

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25446

  Log:
    * io.c (io_cntl): update max file descriptor by the result of
      fcntl(F_DUPFD).

  Modified files:
    trunk/ChangeLog
    trunk/io.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25445)
+++ ChangeLog	(revision 25446)
@@ -1,3 +1,8 @@
+Sat Oct 24 00:36:47 2009  Tanaka Akira  <akr@f...>
+
+	* io.c (io_cntl): update max file descriptor by the result of
+	  fcntl(F_DUPFD).
+
 Fri Oct 23 14:25:54 2009  Nobuyoshi Nakada  <nobu@r...>
 
 	* configure.in (target, target_alias): replace with real cpu.
Index: io.c
===================================================================
--- io.c	(revision 25445)
+++ io.c	(revision 25446)
@@ -7237,6 +7237,9 @@
 # else
     retval = io_p?ioctl(fd, cmd, narg):fcntl(fd, (int)cmd, narg);
 # endif
+    if (!io_p && retval != -1 && cmd == F_DUPFD) {
+        UPDATE_MAXFD(retval);
+    }
 #else
     if (!io_p) {
 	rb_notimplement();

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