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-rw-r--r--resources/libraries/python/PLRsearch/PLRsearch.py8
1 files changed, 5 insertions, 3 deletions
diff --git a/resources/libraries/python/PLRsearch/PLRsearch.py b/resources/libraries/python/PLRsearch/PLRsearch.py
index fb4ee1a4d0..ec58fbd10f 100644
--- a/resources/libraries/python/PLRsearch/PLRsearch.py
+++ b/resources/libraries/python/PLRsearch/PLRsearch.py
@@ -601,15 +601,17 @@ class PLRsearch:
dilled_function = dill.dumps(value_logweight_func)
boss_pipe_end, worker_pipe_end = multiprocessing.Pipe()
- boss_pipe_end.send(
- (dimension, dilled_function, focus_tracker, max_samples)
- )
+ # Do not send yet, run the worker first to avoid a deadlock.
+ # See https://stackoverflow.com/a/15716500
worker = multiprocessing.Process(
target=Integrator.try_estimate_nd,
args=(worker_pipe_end, 10.0, self.trace_enabled)
)
worker.daemon = True
worker.start()
+ boss_pipe_end.send(
+ (dimension, dilled_function, focus_tracker, max_samples)
+ )
return boss_pipe_end
erf_pipe = start_computing(self.lfit_erf, erf_focus_tracker)