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-rw-r--r--Lib/test/test_os.py16
-rw-r--r--Modules/posixmodule.c6
2 files changed, 21 insertions, 1 deletions
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 0c8e597..6134c93 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -10,6 +10,17 @@ import sys
import shutil
from test import support
+# Detect whether we're on a Linux system that uses the (now outdated
+# and unmaintained) linuxthreads threading library. There's an issue
+# when combining linuxthreads with a failed execv call: see
+# http://bugs.python.org/issue4970.
+if (hasattr(os, "confstr_names") and
+ "CS_GNU_LIBPTHREAD_VERSION" in os.confstr_names):
+ libpthread = os.confstr("CS_GNU_LIBPTHREAD_VERSION")
+ USING_LINUXTHREADS= libpthread.startswith("linuxthreads")
+else:
+ USING_LINUXTHREADS= False
+
# Tests creating TESTFN
class FileTests(unittest.TestCase):
def setUp(self):
@@ -566,8 +577,11 @@ class URandomTests(unittest.TestCase):
pass
class ExecTests(unittest.TestCase):
+ @unittest.skipIf(USING_LINUXTHREADS,
+ "avoid triggering a linuxthreads bug: see issue #4970")
def test_execvpe_with_bad_program(self):
- self.assertRaises(OSError, os.execvpe, 'no such app-', ['no such app-'], None)
+ self.assertRaises(OSError, os.execvpe, 'no such app-',
+ ['no such app-'], None)
def test_execvpe_with_bad_arglist(self):
self.assertRaises(ValueError, os.execvpe, 'notepad', [], None)
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index bba75af..c7e0736 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6028,6 +6028,12 @@ static struct constdef posix_constants_confstr[] = {
#ifdef _CS_ARCHITECTURE
{"CS_ARCHITECTURE", _CS_ARCHITECTURE},
#endif
+#ifdef _CS_GNU_LIBC_VERSION
+ {"CS_GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION},
+#endif
+#ifdef _CS_GNU_LIBPTHREAD_VERSION
+ {"CS_GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION},
+#endif
#ifdef _CS_HOSTNAME
{"CS_HOSTNAME", _CS_HOSTNAME},
#endif