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forked from bot/app

🐛 Ctrl+C 无法终止Channel接收线程的问题

This commit is contained in:
2024-08-16 23:43:43 +08:00
parent 0417805e46
commit 85a13251a5
6 changed files with 123 additions and 51 deletions

View File

@ -11,6 +11,7 @@ Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved
import atexit
import signal
import sys
import threading
from multiprocessing import Process
from typing import Any, Callable, TYPE_CHECKING, TypeAlias
@ -63,10 +64,6 @@ class ProcessManager:
self.targets: dict[str, tuple[callable, tuple, dict]] = {}
self.processes: dict[str, Process] = {}
atexit.register(self.terminate_all)
signal.signal(signal.SIGINT, self._handle_exit)
signal.signal(signal.SIGTERM, self._handle_exit)
def start(self, name: str):
"""
开启后自动监控进程,并添加到进程字典中
@ -82,34 +79,31 @@ class ProcessManager:
def _start_process():
process = Process(target=self.targets[name][0], args=self.targets[name][1],
kwargs=self.targets[name][2])
kwargs=self.targets[name][2], daemon=True)
self.processes[name] = process
process.start()
# 启动进程并监听信号
_start_process()
def _start_monitor():
while True:
data = chan_active.receive()
if data == 0:
# 停止
logger.info(f"Stopping process {name}")
self.bot.lifespan.before_process_shutdown()
self.terminate(name)
break
elif data == 1:
# 重启
logger.info(f"Restarting process {name}")
self.bot.lifespan.before_process_shutdown()
self.bot.lifespan.before_process_restart()
self.terminate(name)
_start_process()
continue
else:
logger.warning("Unknown data received, ignored.")
_start_monitor()
while True:
data = chan_active.receive()
if data == 0:
# 停止
logger.info(f"Stopping process {name}")
self.bot.lifespan.before_process_shutdown()
self.terminate(name)
break
elif data == 1:
# 重启
logger.info(f"Restarting process {name}")
self.bot.lifespan.before_process_shutdown()
self.bot.lifespan.before_process_restart()
self.terminate(name)
_start_process()
continue
else:
logger.warning("Unknown data received, ignored.")
def start_all(self):
"""
@ -118,11 +112,6 @@ class ProcessManager:
for name in self.targets:
threading.Thread(target=self.start, args=(name,), daemon=True).start()
def _handle_exit(self, signum, frame):
logger.info("Received signal, stopping all processes.")
self.terminate_all()
exit(0)
def add_target(self, name: str, target: TARGET_FUNC, args: tuple = (), kwargs=None):
"""
添加进程
@ -159,8 +148,9 @@ class ProcessManager:
Returns:
"""
if name not in self.targets:
raise logger.warning(f"Process {name} not found.")
if name not in self.processes:
logger.warning(f"Process {name} not found.")
return
process = self.processes[name]
process.terminate()
process.join(TIMEOUT)