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## Show that SIGINT and similar signals don't cause crash messages to be
## reported.
# RUN: %python %s wrapper llvm-symbolizer 2> %t.err
# RUN: FileCheck -DMSG=%errc_ENOENT --input-file=%t.err %s
# CHECK: {{.*}} error: 'foo': [[MSG]]
# CHECK-NOT: {{.+}}
import os
import signal
import subprocess
import sys
import time
def run_symbolizer():
proc = subprocess.Popen([sys.argv[2]], stdout=subprocess.PIPE,
stdin=subprocess.PIPE, stderr=sys.stderr)
# Write then read some output to ensure the process has started fully.
proc.stdin.write(b'foo bar\n')
proc.stdin.flush()
proc.stdout.readline()
# Windows handles signals differently.
if os.name == 'nt':
os.kill(0, signal.CTRL_BREAK_EVENT)
else:
proc.send_signal(signal.SIGINT)
# On Windows, this function spawns the subprocess in its own (hidden) console,
# so that signals do not interfere with the calling test. This isn't necessary
# on other systems.
def run_wrapper():
args = [sys.executable, __file__, 'symbolizer'] + sys.argv[2:]
if os.name == 'nt':
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
subprocess.run(args, stderr=sys.stderr, startupinfo=startupinfo,
creationflags=subprocess.CREATE_NEW_CONSOLE)
else:
subprocess.run(args, stderr=sys.stderr)
if sys.argv[1] == 'wrapper':
run_wrapper()
else:
run_symbolizer()
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