Function tryKillProcess

packages/agent-core/src/session/hooks/runner.ts:210–229

(child: ChildProcessWithoutNullStreams, signal: NodeJS.Signals)

}

function tryKillProcess(child: ChildProcessWithoutNullStreams, signal: NodeJS.Signals): void {
  if (process.platform === 'win32') {
    // On Windows, `ChildProcess.kill()` only signals the shell spawned by
    // `shell: true`, leaving grandchildren (the actual hook command) alive
    // and holding the cwd. `taskkill /T` terminates the whole process tree.
    killProcessTreeWindows(child, signal === 'SIGKILL');
    return;
  }
  try {
    if (child.pid !== undefined) {
      process.kill(-child.pid, signal);
    } else {
      child.kill(signal);
    }
  } catch {
    try {
      child.kill(signal);
    } catch {}
  }
}

function killProcessTreeWindows(child: ChildProcessWithoutNullStreams, force: boolean): void {
  if (child.pid === undefined) return;