Greg Clayton 75a19344ad Added an Python operating system plug-in test to verify that python can be used to add threads to an existing process.
The test does the following:
1 - runs a program to main without the OS plug-in and verifies no OS threads are in the process
2 - loads the OS plug-in and verifies the 3 OS plug-in threads are now in the current process
3 - verify the register contents of each thread that shows up
4 - unload the python OS plug-in and verify that the OS threads are gone.

llvm-svn: 232401
2015-03-16 19:54:22 +00:00
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