1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_GENERIC_SIGNAL_DEFS_H
3 #define __ASM_GENERIC_SIGNAL_DEFS_H
4 
5 #include <linux/compiler.h>
6 
7 #ifndef SIG_BLOCK
8 #define SIG_BLOCK          0	/* for blocking signals */
9 #endif
10 #ifndef SIG_UNBLOCK
11 #define SIG_UNBLOCK        1	/* for unblocking signals */
12 #endif
13 #ifndef SIG_SETMASK
14 #define SIG_SETMASK        2	/* for setting the signal mask */
15 #endif
16 
17 #ifndef __ASSEMBLY__
18 typedef void __signalfn_t(int);
19 typedef __signalfn_t __user *__sighandler_t;
20 
21 typedef void __restorefn_t(void);
22 typedef __restorefn_t __user *__sigrestore_t;
23 
24 #define SIG_DFL	((__force __sighandler_t)0)	/* default signal handling */
25 #define SIG_IGN	((__force __sighandler_t)1)	/* ignore signal */
26 #define SIG_ERR	((__force __sighandler_t)-1)	/* error return from signal */
27 #endif
28 
29 #endif /* __ASM_GENERIC_SIGNAL_DEFS_H */
30