Function waitForProcessExit

utils/utils.go:950–977

waitForProcessExit waits for the process to exit or times out after the specified duration

(pid int, timeout time.Duration, logger *zap.Logger)

// waitForProcessExit waits for the process to exit or times out after the specified duration
func waitForProcessExit(pid int, timeout time.Duration, logger *zap.Logger) error {
	// Create a timeout channel
	timeoutCh := time.After(timeout)

	// Loop to check if the process is running
	for {
		select {
		case <-timeoutCh:
			// If the timeout is reached, log the timeout and break
			logger.Debug("Timed out waiting for process to exit", zap.Int("pid", pid))
			return nil
		default:
			// Check if the process is running
			isRunning, err := isProcessRunning(pid)
			if err != nil {
				return err
			}

			if !isRunning {
				logger.Debug("Process exited", zap.Int("pid", pid))
				return nil
			}

			// Wait for 1 second before checking again
			time.Sleep(300 * time.Millisecond)
		}
	}
}

// isProcessRunning checks if a particular process is still running using os.FindProcess
func isProcessRunning(pid int) (bool, error) {