Merged revisions 78527,78550 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r78527 | gregory.p.smith | 2010-02-28 17:22:39 -0800 (Sun, 28 Feb 2010) | 4 lines
Issue #7242: On Solaris 9 and earlier calling os.fork() from within a
thread could raise an incorrect RuntimeError about not holding the import
lock. The import lock is now reinitialized after fork.
........
r78550 | gregory.p.smith | 2010-02-28 22:01:02 -0800 (Sun, 28 Feb 2010) | 2 lines
Fix test to be skipped on windows.
........
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index 70d89fe..2601c36 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -4,6 +4,7 @@
from test import support
import _thread as thread
import time
+import sys
import weakref
from test import lock_tests
@@ -193,8 +194,47 @@
locktype = thread.allocate_lock
+class TestForkInThread(unittest.TestCase):
+ def setUp(self):
+ self.read_fd, self.write_fd = os.pipe()
+
+ @unittest.skipIf(sys.platform.startswith('win'),
+ "This test is only appropriate for POSIX-like systems.")
+ def test_forkinthread(self):
+ def thread1():
+ try:
+ pid = os.fork() # fork in a thread
+ except RuntimeError:
+ os._exit(1) # exit the child
+
+ if pid == 0: # child
+ try:
+ os.close(self.read_fd)
+ os.write(self.write_fd, b"OK")
+ finally:
+ os._exit(0)
+ else: # parent
+ os.close(self.write_fd)
+
+ thread.start_new_thread(thread1, ())
+ self.assertEqual(os.read(self.read_fd, 2), b"OK",
+ "Unable to fork() in thread")
+
+ def tearDown(self):
+ try:
+ os.close(self.read_fd)
+ except OSError:
+ pass
+
+ try:
+ os.close(self.write_fd)
+ except OSError:
+ pass
+
+
def test_main():
- support.run_unittest(ThreadRunningTests, BarrierTest, LockTests)
+ support.run_unittest(ThreadRunningTests, BarrierTest, LockTests,
+ TestForkInThread)
if __name__ == "__main__":
test_main()