treewide: remove redundant IS_ERR() before error code check

[linux/fpc-iii.git] / arch / um / include / shared / sigio.h

/* SPDX-License-Identifier: GPL-2.0 */
/* 
 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
 */

#ifndef __SIGIO_H__
#define __SIGIO_H__

extern int write_sigio_irq(int fd);
extern int register_sigio_fd(int fd);
extern void sigio_lock(void);
extern void sigio_unlock(void);

#endif