arch/um/include/shared/sigio.h - third_party/kernel - Git at Google

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

 #ifndef __SIGIO_H__
 #define __SIGIO_H__

 extern void sigio_lock(void);
 extern void sigio_unlock(void);

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

	#ifndef __SIGIO_H__
	#define __SIGIO_H__

	extern void sigio_lock(void);
	extern void sigio_unlock(void);

	#endif