1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4  */
5 
6 #ifndef __IRQ_USER_H__
7 #define __IRQ_USER_H__
8 
9 #include <sysdep/ptrace.h>
10 
11 enum um_irq_type {
12 	IRQ_READ,
13 	IRQ_WRITE,
14 	NUM_IRQ_TYPES,
15 };
16 
17 struct siginfo;
18 extern void sigio_handler(int sig, struct siginfo *unused_si,
19 			  struct uml_pt_regs *regs, void *mc);
20 extern void sigchld_handler(int sig, struct siginfo *unused_si,
21 			   struct uml_pt_regs *regs, void *mc);
22 void sigio_run_timetravel_handlers(void);
23 extern void free_irq_by_fd(int fd);
24 extern void deactivate_fd(int fd, int irqnum);
25 extern int deactivate_all_fds(void);
26 
27 #endif
28