diff -Nur mod_python-3.1.3-orig/src/connobject.c mod_python-3.1.3/src/connobject.c
--- mod_python-3.1.3-orig/src/connobject.c	2004-02-16 20:47:27.000000000 +0100
+++ mod_python-3.1.3/src/connobject.c	2004-10-16 12:03:50.870833912 +0200
@@ -78,7 +78,7 @@
     rc = ap_get_brigade(c->input_filters, bb, mode, APR_BLOCK_READ, bufsize);
     Py_END_ALLOW_THREADS;
 
-    if (! APR_STATUS_IS_SUCCESS(rc)) {
+    if ( rc != APR_SUCCESS ) {
         PyErr_SetObject(PyExc_IOError, 
                         PyString_FromString("Connection read error"));
         return NULL;
diff -Nur mod_python-3.1.3-orig/src/filterobject.c mod_python-3.1.3/src/filterobject.c
--- mod_python-3.1.3-orig/src/filterobject.c	2004-02-16 20:47:27.000000000 +0100
+++ mod_python-3.1.3/src/filterobject.c	2004-10-16 12:04:10.783806680 +0200
@@ -178,7 +178,7 @@
                                   APR_BLOCK_READ, self->readbytes);
         Py_END_ALLOW_THREADS;
 
-        if (!APR_STATUS_IS_EAGAIN(self->rc) && !APR_STATUS_IS_SUCCESS(self->rc)) {
+        if (!APR_STATUS_IS_EAGAIN(self->rc) && self->rc != APR_SUCCESS ) {
             PyErr_SetObject(PyExc_IOError, 
                             PyString_FromString("Input filter read error"));
             return NULL;