Merged revisions 84172 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines

  Restore GIL in nis_cat in case of error.
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Misc/NEWS

@@ -12,6 +12,8 @@ What's New in Python 2.7.1?
 Core and Builtins
 -----------------
 
+- Restore GIL in nis_cat in case of error.
+
 - Issue #8530: Prevent stringlib fastsearch from reading beyond the front
   of an array.
 

Modules/nismodule.c

@@ -124,6 +124,7 @@ nis_foreach (int instatus, char *inkey, int inkeylen, char *inval,
             PyErr_Clear();
             Py_XDECREF(key);
             Py_XDECREF(val);
+            indata->state = PyEval_SaveThread();
             return 1;
         }
         err = PyDict_SetItem(indata->dict, key, val);