diff -ur Python-2.6.2/Modules/posixmodule.c Python-2.6.2-res/Modules/posixmodule.c
--- Python-2.6.2/Modules/posixmodule.c	2009-04-06 01:47:37.000000000 -0500
+++ Python-2.6.2-res/Modules/posixmodule.c	2009-09-17 13:15:49.000000000 -0500
@@ -8351,6 +8351,84 @@
 }
 #endif
 
+#ifdef HAVE_SETRESUID
+PyDoc_STRVAR(posix_setresuid__doc__,
+"setresuid(ruid, euid, suid)\n\n\
+Set the current process's real, effective, and saved user ids.");
+
+static PyObject*
+posix_setresuid (PyObject *self, PyObject *args)
+{
+	int ruid, euid, suid;
+	if (!PyArg_ParseTuple(args, "iii", &ruid, &euid, &suid))
+		return NULL;
+	if (setresuid(ruid, euid, suid) < 0)
+		return posix_error();
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+#endif
+
+#ifdef HAVE_SETRESGID
+PyDoc_STRVAR(posix_setresgid__doc__,
+"setresgid(rgid, egid, sgid)\n\n\
+Set the current process's real, effective, and saved group ids.");
+
+static PyObject*
+posix_setresgid (PyObject *self, PyObject *args)
+{
+	int rgid, egid, sgid;
+	if (!PyArg_ParseTuple(args, "iii", &rgid, &egid, &sgid))
+		return NULL;
+	if (setresgid(rgid, egid, sgid) < 0) {
+		return posix_error();
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+#endif
+
+#ifdef HAVE_GETRESUID
+PyDoc_STRVAR(posix_getresuid__doc__,
+"getresuid() -> (ruid, euid, sgid)\n\n\
+Get tuple of the current process's real, effective, and saved user ids.");
+
+static PyObject*
+posix_getresuid (PyObject *self, PyObject *noargs)
+{
+	int ruid, euid, suid;
+	n = getresuid(&ruid, &euid, &suid);
+	if (n < 0)
+		posix_error();
+	} else {
+		return PyTuple_Pack(3,
+				    PyInt_FromLong((long)ruid),
+				    PyInt_FromLong((long)euid),
+				    PyInt_FromLong((long)suid));
+	}
+}
+#endif
+
+#ifdef HAVE_GETRESGID
+PyDoc_STRVAR(posix_getresgid__doc__,
+"getresgid() -> (rgid, egid, sgid)\n\n\
+Get tuple of the current process's real, effective, and saved user ids.");
+
+static PyObject*
+posix_getresgid (PyObject *self, PyObject *noargs)
+{
+	int rgid, egid, sgid;
+	n = getresgid(&rgid, &egid, &sgid);
+	if (n < 0)
+		posix_error();
+	} else {
+		return PyTuple_Pack(3,
+				    PyInt_FromLong((long)rgid),
+				    PyInt_FromLong((long)egid),
+				    PyInt_FromLong((long)sgid));
+	}
+}
+#endif
+
 static PyMethodDef posix_methods[] = {
 	{"access",	posix_access, METH_VARARGS, posix_access__doc__},
 #ifdef HAVE_TTYNAME
@@ -8661,6 +8739,19 @@
  #ifdef __VMS
  	{"urandom", vms_urandom, METH_VARARGS, vms_urandom__doc__},
  #endif
+#ifdef HAVE_SETRESUID
+        {"setresuid",	posix_setresuid, METH_VARARGS, posix_setresuid__doc__),
+#endif
+#ifdef HAVE_SETRESGID
+        {"setresgid",	posix_setresgid, METH_VARARGS, posix_setresgid__doc__),
+#endif
+#ifdef HAVE_GETRESUID
+        {"getresuid",	posix_getresuid, METH_VARARGS, posix_getresuid__doc__),
+#endif
+#ifdef HAVE_GETRESGID
+        {"getresgid",	posix_getresgid, METH_VARARGS, posix_getresgid__doc__),
+#endif
+
 	{NULL,		NULL}		 /* Sentinel */
 };
 
Only in Python-2.6.2-res: autom4te.cache
diff -ur Python-2.6.2/configure Python-2.6.2-res/configure
--- Python-2.6.2/configure	2009-03-30 12:56:14.000000000 -0500
+++ Python-2.6.2-res/configure	2009-09-17 13:16:53.000000000 -0500
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 68599 .
+# From configure.in Revision: 70731 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.6.
 #
@@ -16183,15 +16183,20 @@
 
 
 
+
+
+
+
 for ac_func in alarm setitimer getitimer bind_textdomain_codeset chown \
  clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
- getpriority getpwent getspnam getspent getsid getwd \
+ getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
  kill killpg lchmod lchown lstat mkfifo mknod mktime \
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink realpath \
  select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
+ setlocale setregid setreuid setresuid setresgid \
+ setsid setpgid setpgrp setuid setvbuf snprintf \
  sigaction siginterrupt sigrelse strftime \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
  truncate uname unsetenv utimes waitpid wait3 wait4 wcscoll _getpty
diff -ur Python-2.6.2/configure.in Python-2.6.2-res/configure.in
--- Python-2.6.2/configure.in	2009-03-30 12:56:14.000000000 -0500
+++ Python-2.6.2-res/configure.in	2009-09-17 13:12:04.000000000 -0500
@@ -2457,12 +2457,13 @@
 AC_CHECK_FUNCS(alarm setitimer getitimer bind_textdomain_codeset chown \
  clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
- getpriority getpwent getspnam getspent getsid getwd \
+ getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
  kill killpg lchmod lchown lstat mkfifo mknod mktime \
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink realpath \
  select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
+ setlocale setregid setreuid setresuid setresgid \
+ setsid setpgid setpgrp setuid setvbuf snprintf \
  sigaction siginterrupt sigrelse strftime \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
  truncate uname unsetenv utimes waitpid wait3 wait4 wcscoll _getpty)