stop signals propagation in 3.9

kvmd/aioproc.py

@@ -20,9 +20,9 @@
 # ========================================================================== #
 
 
+import os
 import asyncio
 import asyncio.subprocess
-import signal
 import logging
 
 from typing import Tuple
@@ -37,7 +37,7 @@ async def run_process(cmd: List[str], err_to_null: bool=False) -> asyncio.subpro
         *cmd,
         stdout=asyncio.subprocess.PIPE,
         stderr=(asyncio.subprocess.DEVNULL if err_to_null else asyncio.subprocess.STDOUT),
-        preexec_fn=ignore_sigint,
+        preexec_fn=os.setpgrp,
     ))
 
 
@@ -69,9 +69,5 @@ async def log_stdout_infinite(proc: asyncio.subprocess.Process, logger: logging.
                 raise RuntimeError("asyncio process: too many empty lines")
 
 
-def ignore_sigint() -> None:
-    signal.signal(signal.SIGINT, signal.SIG_IGN)
-
-
 def rename_process(suffix: str, prefix: str="kvmd") -> None:
     setproctitle.setproctitle(f"{prefix}/{suffix}: {setproctitle.getproctitle()}")

kvmd/plugins/hid/_mcu/__init__.py

@@ -273,7 +273,7 @@ class BaseMcuHid(BaseHid, multiprocessing.Process):  # pylint: disable=too-many-
         logger = get_logger(0)
 
         logger.info("Started HID pid=%d", os.getpid())
-        aioproc.ignore_sigint()
+        os.setpgrp()
         aioproc.rename_process("hid")
 
         while not self.__stop_event.is_set():

kvmd/plugins/hid/bt/__init__.py

@@ -197,7 +197,7 @@ class Plugin(BaseHid):  # pylint: disable=too-many-instance-attributes
         logger = get_logger(0)
 
         logger.info("Started HID pid=%d", os.getpid())
-        aioproc.ignore_sigint()
+        os.setpgrp()
         aioproc.rename_process("hid")
 
         while not self.__stop_event.is_set():

kvmd/plugins/hid/otg/device.py

@@ -81,7 +81,7 @@ class BaseDeviceProcess(multiprocessing.Process):  # pylint: disable=too-many-in
         logger = get_logger(0)
 
         logger.info("Started HID-%s pid=%d", self.__name, os.getpid())
-        aioproc.ignore_sigint()
+        os.setpgrp()
         aioproc.rename_process(f"hid-{self.__name}")
 
         while not self.__stop_event.is_set():

kvmd/plugins/ugpio/ezcoo.py

@@ -133,7 +133,7 @@ class Plugin(BaseUserGpioDriver):  # pylint: disable=too-many-instance-attribute
         logger = get_logger(0)
 
         logger.info("Started %s pid=%d", self, os.getpid())
-        aioproc.ignore_sigint()
+        os.setpgrp()
         aioproc.rename_process(f"gpio-ezcoo-{self._instance_name}")
 
         while not self.__stop_event.is_set():

testenv/tests/plugins/auth/test_pam.py

@@ -20,6 +20,7 @@
 # ========================================================================== #
 
 
+import os
 import asyncio
 import pwd
 
@@ -29,8 +30,6 @@ from typing import Optional
 
 import pytest
 
-from kvmd import aioproc
-
 from . import get_configured_auth_service
 
 
@@ -45,7 +44,7 @@ async def _run_process(cmd: str, input: Optional[str]=None) -> None:  # pylint:
     proc = await asyncio.create_subprocess_exec(
         *cmd.split(" "),
         stdin=(asyncio.subprocess.PIPE if input is not None else None),
-        preexec_fn=aioproc.ignore_sigint,
+        preexec_fn=os.setpgrp,
     )
     await proc.communicate(input.encode() if input is not None else None)
     assert proc.returncode == 0