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Use Boost.Process instead of pid_t (#6510)

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* Use Boost.Process instead of pid_t

This will let us handle child processes (mostly) uniformly across platforms.
TODO: There is no SIGTERM on Windows; achieving something equivalent is fairly involved.
This commit is contained in:
mehrdadn
2020-01-15 20:05:02 -08:00
committed by Philipp Moritz
parent f9fa93eaf1
commit fb8e3615d5
11 changed files with 333 additions and 202 deletions
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python/ray/test_utils.py
+3 -3
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@@ -39,7 +39,7 @@ def wait_for_pid_to_exit(pid, timeout=20):
return
time.sleep(0.1)
raise RayTestTimeoutException(
"Timed out while waiting for process to exit.")
"Timed out while waiting for process {} to exit.".format(pid))
def wait_for_children_of_pid(pid, num_children=1, timeout=20):
@@ -51,8 +51,8 @@ def wait_for_children_of_pid(pid, num_children=1, timeout=20):
return
time.sleep(0.1)
raise RayTestTimeoutException(
"Timed out while waiting for process children to start "
"({}/{} started).".format(num_alive, num_children))
"Timed out while waiting for process {} children to start "
"({}/{} started).".format(pid, num_alive, num_children))
def wait_for_children_of_pid_to_exit(pid, timeout=20):