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| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-04-16 22:12:42 +0000 |
| commit | 4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2 (patch) | |
| tree | 2d17d2388a78082e32f6a97120d707328143543b /AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py | |
| parent | cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6 (diff) | |
| download | edk2-platforms-4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2.tar.xz | |
AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.
Signed-off-by: daryl.mcdaniel@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py b/AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py new file mode 100644 index 0000000000..abf697b01e --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_fork1.py @@ -0,0 +1,71 @@ +"""This test checks for correct fork() behavior.
+"""
+
+import imp
+import os
+import signal
+import sys
+import time
+
+from test.fork_wait import ForkWait
+from test.test_support import run_unittest, reap_children, get_attribute, import_module
+threading = import_module('threading')
+
+#Skip test if fork does not exist.
+get_attribute(os, 'fork')
+
+
+class ForkTest(ForkWait):
+ def wait_impl(self, cpid):
+ for i in range(10):
+ # waitpid() shouldn't hang, but some of the buildbots seem to hang
+ # in the forking tests. This is an attempt to fix the problem.
+ spid, status = os.waitpid(cpid, os.WNOHANG)
+ if spid == cpid:
+ break
+ time.sleep(1.0)
+
+ self.assertEqual(spid, cpid)
+ self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
+
+ def test_import_lock_fork(self):
+ import_started = threading.Event()
+ fake_module_name = "fake test module"
+ partial_module = "partial"
+ complete_module = "complete"
+ def importer():
+ imp.acquire_lock()
+ sys.modules[fake_module_name] = partial_module
+ import_started.set()
+ time.sleep(0.01) # Give the other thread time to try and acquire.
+ sys.modules[fake_module_name] = complete_module
+ imp.release_lock()
+ t = threading.Thread(target=importer)
+ t.start()
+ import_started.wait()
+ pid = os.fork()
+ try:
+ if not pid:
+ m = __import__(fake_module_name)
+ if m == complete_module:
+ os._exit(0)
+ else:
+ os._exit(1)
+ else:
+ t.join()
+ # Exitcode 1 means the child got a partial module (bad.) No
+ # exitcode (but a hang, which manifests as 'got pid 0')
+ # means the child deadlocked (also bad.)
+ self.wait_impl(pid)
+ finally:
+ try:
+ os.kill(pid, signal.SIGKILL)
+ except OSError:
+ pass
+
+def test_main():
+ run_unittest(ForkTest)
+ reap_children()
+
+if __name__ == "__main__":
+ test_main()
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