45 lines · plain
1## Show that SIGINT and similar signals don't cause crash messages to be2## reported.3# RUN: %python %s wrapper llvm-symbolizer 2> %t.err4# RUN: FileCheck -DMSG=%errc_ENOENT --input-file=%t.err %s5 6# CHECK: {{.*}} error: 'foo': [[MSG]]7# CHECK-NOT: {{.+}}8 9import os10import signal11import subprocess12import sys13import time14 15def run_symbolizer():16 proc = subprocess.Popen([sys.argv[2]], stdout=subprocess.PIPE,17 stdin=subprocess.PIPE, stderr=sys.stderr)18 # Write then read some output to ensure the process has started fully.19 proc.stdin.write(b'foo bar\n')20 proc.stdin.flush()21 proc.stdout.readline()22 # Windows handles signals differently.23 if os.name == 'nt':24 os.kill(0, signal.CTRL_BREAK_EVENT)25 else:26 proc.send_signal(signal.SIGINT)27 28# On Windows, this function spawns the subprocess in its own (hidden) console,29# so that signals do not interfere with the calling test. This isn't necessary30# on other systems.31def run_wrapper():32 args = [sys.executable, __file__, 'symbolizer'] + sys.argv[2:]33 if os.name == 'nt':34 startupinfo = subprocess.STARTUPINFO()35 startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW36 subprocess.run(args, stderr=sys.stderr, startupinfo=startupinfo,37 creationflags=subprocess.CREATE_NEW_CONSOLE)38 else:39 subprocess.run(args, stderr=sys.stderr)40 41if sys.argv[1] == 'wrapper':42 run_wrapper()43else:44 run_symbolizer()45