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test framework: ignore sighups

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On OS X, we're occasionally seeing sighups come in to what
looks like the whole test runner process group (all the
multiprocessing workers and the main process).  It's not due
to a lost console.  This change has the main parallel test runner
process and the child worker processes ignore sighup.

Covers:
https://llvm.org/bugs/show_bug.cgi?id=24846

llvm-svn: 248141
This commit is contained in:
Todd Fiala 2015-09-21 05:42:26 +00:00
parent 0013be16ff
commit 1cc97b4399
1 changed files with 5 additions and 0 deletions
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5
lldb/test/dosep.py
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@ -83,6 +83,7 @@ RESULTS_LISTENER_CHANNEL = None
for the given thread/process calling it. Returns a 0-based index."""
GET_WORKER_INDEX = None
def setup_global_variables(
lock, counter, total, name_len, options, worker_index_map):
global output_lock, test_counter, total_tests, test_name_len
@ -277,6 +278,7 @@ def process_dir_worker_multiprocessing(
# Shut off interrupt handling in the child process.
signal.signal(signal.SIGINT, signal.SIG_IGN)
signal.signal(signal.SIGHUP, signal.SIG_IGN)
# Setup the global state for the worker process.
setup_global_variables(
@ -1164,6 +1166,9 @@ def main(print_details_on_success, num_threads, test_subdir,
test runner, which will forward them on to results_formatter.
"""
# Do not shut down on sighup.
signal.signal(signal.SIGHUP, signal.SIG_IGN)
dotest_argv = sys.argv[1:]
global output_on_success, RESULTS_FORMATTER, output_lock