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18 lines
799 B
18 lines
799 B
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py |
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index 413889a..fb312aa 100644 |
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--- a/Lib/test/test_thread.py |
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+++ b/Lib/test/test_thread.py |
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@@ -237,7 +237,12 @@ class TestForkInThread(unittest.TestCase): |
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if pid == 0: # child |
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os.close(self.read_fd) |
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os.write(self.write_fd, "OK") |
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- sys.exit(0) |
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+ # Exiting the thread normally in the child process can leave |
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+ # any additional threads (such as the one started by |
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+ # importing _tkinter) still running, and this can prevent |
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+ # the half-zombie child process from being cleaned up. See |
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+ # Issue #26456. |
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+ os._exit(0) |
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else: # parent |
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os.close(self.write_fd) |
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