| // SPDX-License-Identifier: GPL-2.0 | |
| /* | |
| * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) | |
| */ | |
| #include <linux/interrupt.h> | |
| #include <irq_kern.h> | |
| #include <os.h> | |
| #include <sigio.h> | |
| /* These are called from os-Linux/sigio.c to protect its pollfds arrays. */ | |
| static DEFINE_MUTEX(sigio_mutex); | |
| void sigio_lock(void) | |
| { | |
| mutex_lock(&sigio_mutex); | |
| } | |
| void sigio_unlock(void) | |
| { | |
| mutex_unlock(&sigio_mutex); | |
| } |