--- subprocess.py.orig	2010-07-14 21:36:16.000000000 +0600
+++ subprocess.py	2011-06-03 16:03:25.462114581 +0600
@@ -966,6 +966,7 @@
                 pass
             elif stdin == PIPE:
                 p2cread, p2cwrite = os.pipe()
+                self._set_cloexec_flag(p2cread)
             elif isinstance(stdin, int):
                 p2cread = stdin
             else:
@@ -976,6 +977,7 @@
                 pass
             elif stdout == PIPE:
                 c2pread, c2pwrite = os.pipe()
+                self._set_cloexec_flag(c2pwrite)
             elif isinstance(stdout, int):
                 c2pwrite = stdout
             else:
@@ -986,6 +988,7 @@
                 pass
             elif stderr == PIPE:
                 errread, errwrite = os.pipe()
+                self._set_cloexec_flag(errwrite)
             elif stderr == STDOUT:
                 errwrite = c2pwrite
             elif isinstance(stderr, int):
@@ -1072,15 +1075,6 @@
                             if errwrite is not None:
                                 os.dup2(errwrite, 2)
 
-                            # Close pipe fds.  Make sure we don't close the same
-                            # fd more than once, or standard fds.
-                            if p2cread is not None and p2cread not in (0,):
-                                os.close(p2cread)
-                            if c2pwrite is not None and c2pwrite not in (p2cread, 1):
-                                os.close(c2pwrite)
-                            if errwrite is not None and errwrite not in (p2cread, c2pwrite, 2):
-                                os.close(errwrite)
-
                             # Close all other fds, if asked for
                             if close_fds:
                                 self._close_fds(but=errpipe_write)