Merged revisions 84489 via svnmerge from

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

........
  r84489 | antoine.pitrou | 2010-09-04 19:21:57 +0200 (sam., 04 sept. 2010) | 4 lines

  Issue #7736: Release the GIL around calls to opendir() and closedir()
  in the posix module.  Patch by Marcin Bachry.
........

Misc/NEWS

@@ -225,6 +225,9 @@ Library
 Extension Modules
 -----------------
 
+- Issue #7736: Release the GIL around calls to opendir() and closedir()
+  in the posix module.  Patch by Marcin Bachry.
+
 - As a result of issue #2521, the _weakref module is now compiled into the
   interpreter by default.
 

Modules/posixmodule.c

@@ -2333,11 +2333,16 @@ posix_listdir(PyObject *self, PyObject *args)
     }
     if (!PyArg_ParseTuple(args, "et:listdir", Py_FileSystemDefaultEncoding, &name))
         return NULL;
-    if ((dirp = opendir(name)) == NULL) {
+    Py_BEGIN_ALLOW_THREADS
+    dirp = opendir(name);
+    Py_END_ALLOW_THREADS
+    if (dirp == NULL) {
         return posix_error_with_allocated_filename(name);
     }
     if ((d = PyList_New(0)) == NULL) {
+        Py_BEGIN_ALLOW_THREADS
         closedir(dirp);
+        Py_END_ALLOW_THREADS
         PyMem_Free(name);
         return NULL;
     }
@@ -2350,7 +2355,9 @@ posix_listdir(PyObject *self, PyObject *args)
             if (errno == 0) {
                 break;
             } else {
+                Py_BEGIN_ALLOW_THREADS
                 closedir(dirp);
+                Py_END_ALLOW_THREADS
                 Py_DECREF(d);
                 return posix_error_with_allocated_filename(name);
             }
@@ -2391,7 +2398,9 @@ posix_listdir(PyObject *self, PyObject *args)
         }
         Py_DECREF(v);
     }
+    Py_BEGIN_ALLOW_THREADS
     closedir(dirp);
+    Py_END_ALLOW_THREADS
     PyMem_Free(name);
 
     return d;