1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) 4 */ 5 6#include <linux/interrupt.h> 7#include <irq_kern.h> 8#include <os.h> 9#include <sigio.h> 10 11/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */ 12static DEFINE_MUTEX(sigio_mutex); 13 14void sigio_lock(void) 15{ 16 mutex_lock(&sigio_mutex); 17} 18 19void sigio_unlock(void) 20{ 21 mutex_unlock(&sigio_mutex); 22} 23 24