from __future__ import annotations

import faulthandler
from pathlib import Path


def enable_crash_handler(log_dir: str | Path) -> None:
    """启用faulthandler，将崩溃堆栈写入日志文件"""
    log_dir = Path(log_dir)
    log_dir.mkdir(parents=True, exist_ok=True)
    crash_log = open(log_dir / "posefit-crash.log", "a", buffering=1)
    faulthandler.enable(file=crash_log, all_threads=True)