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cherry pick f41a53458d12b19027f02e5ec34f51d187a63368 #2889

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Merged
merged 1 commit into from
Apr 16, 2021
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cherry pick f41a53458d12b19027f02e5ec34f51d187a63368 #2889

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8 changes: 5 additions & 3 deletions torch_xla/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,11 @@


def server_is_alive():
return len(
subprocess.Popen(['pgrep', '-f', XRT_SERVER_REGEX],
stdout=subprocess.PIPE).stdout.readline()) != 0
# pgrep returns 0 when at least one running process matches the requested name.
# Otherwise, the exit code is 1. If pgrep is not availiable in the system, it
# will return an exit code 127.
return subprocess.getstatusoutput(
'pgrep -f "{}"'.format(XRT_SERVER_REGEX))[0] == 0


def _maybe_select_tpu_version():
Expand Down