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							67 lines
						
					
					
						
							1.8 KiB
						
					
					
				
			
		
		
	
	
							67 lines
						
					
					
						
							1.8 KiB
						
					
					
				| import errno
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| import fcntl
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| import os
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| import sys
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| import pathlib
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| import shutil
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| import signal
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| import subprocess
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| import tempfile
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| import threading
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| 
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| from openpilot.common.basedir import BASEDIR
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| from openpilot.common.params import Params
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| 
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| def unblock_stdout() -> None:
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|   # get a non-blocking stdout
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|   child_pid, child_pty = os.forkpty()
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|   if child_pid != 0:  # parent
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| 
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|     # child is in its own process group, manually pass kill signals
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|     signal.signal(signal.SIGINT, lambda signum, frame: os.kill(child_pid, signal.SIGINT))
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|     signal.signal(signal.SIGTERM, lambda signum, frame: os.kill(child_pid, signal.SIGTERM))
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| 
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|     fcntl.fcntl(sys.stdout, fcntl.F_SETFL, fcntl.fcntl(sys.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
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| 
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|     while True:
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|       try:
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|         dat = os.read(child_pty, 4096)
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|       except OSError as e:
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|         if e.errno == errno.EIO:
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|           break
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|         continue
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| 
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|       if not dat:
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|         break
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| 
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|       try:
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|         sys.stdout.write(dat.decode('utf8'))
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|       except (OSError, UnicodeDecodeError):
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|         pass
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| 
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|     # os.wait() returns a tuple with the pid and a 16 bit value
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|     # whose low byte is the signal number and whose high byte is the exit status
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|     exit_status = os.wait()[1] >> 8
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|     os._exit(exit_status)
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| 
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| 
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| def write_onroad_params(started, params):
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|   params.put_bool("IsOnroad", started)
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|   params.put_bool("IsOffroad", not started)
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| 
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| 
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| def save_bootlog():
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|   # copy current params
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|   tmp = tempfile.mkdtemp()
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|   params_dirname = pathlib.Path(Params().get_param_path()).name
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|   params_dir = os.path.join(tmp, params_dirname)
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|   shutil.copytree(Params().get_param_path(), params_dir, dirs_exist_ok=True)
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| 
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|   def fn(tmpdir):
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|     env = os.environ.copy()
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|     env['PARAMS_COPY_PATH'] = tmpdir
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|     subprocess.call("./bootlog", cwd=os.path.join(BASEDIR, "system/loggerd"), env=env)
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|     shutil.rmtree(tmpdir)
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|   t = threading.Thread(target=fn, args=(tmp, ))
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|   t.daemon = True
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|   t.start()
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| 
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