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65893c6f9c
Make the setlogmask() function in the syslog module thread-safe. These changes are relevant for scenarios where the GIL is disabled or when using subinterpreters.
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
import unittest
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import threading
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from test.support import import_helper, threading_helper
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from test.support.threading_helper import run_concurrently
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syslog = import_helper.import_module("syslog")
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NTHREADS = 32
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# Similar to Lib/test/test_syslog.py, this test's purpose is to verify that
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# the code neither crashes nor leaks.
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@threading_helper.requires_working_threading()
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class TestSyslog(unittest.TestCase):
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def test_racing_syslog(self):
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def worker():
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"""
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The syslog module provides the following functions:
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openlog(), syslog(), closelog(), and setlogmask().
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"""
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thread_id = threading.get_ident()
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syslog.openlog(f"thread-id: {thread_id}")
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try:
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for _ in range(5):
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syslog.syslog("logline")
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syslog.setlogmask(syslog.LOG_MASK(syslog.LOG_INFO))
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syslog.syslog(syslog.LOG_INFO, "logline LOG_INFO")
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syslog.setlogmask(syslog.LOG_MASK(syslog.LOG_ERR))
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syslog.syslog(syslog.LOG_ERR, "logline LOG_ERR")
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syslog.setlogmask(syslog.LOG_UPTO(syslog.LOG_DEBUG))
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finally:
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syslog.closelog()
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# Run the worker concurrently to exercise all these syslog functions
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run_concurrently(
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worker_func=worker,
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nthreads=NTHREADS,
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)
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if __name__ == "__main__":
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unittest.main()
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