1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_ASM_PARISC_SIGNAL_H
3 #define _UAPI_ASM_PARISC_SIGNAL_H
38 #define SIGSYS 31 /* Linux doesn't use this */
40 /* These should not be considered constants from userland. */
42 #define SIGRTMAX _NSIG /* it's 44 under HP/UX */
47 * SA_ONSTACK indicates that a registered stack_t will be used.
48 * SA_RESTART flag to get restarting signals (which were the default long ago)
49 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
50 * SA_RESETHAND clears the handler when the signal is delivered.
51 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
52 * SA_NODEFER prevents the current signal from being masked in the handler.
54 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
55 * Unix names RESETHAND and NODEFER respectively.
57 #define SA_ONSTACK 0x00000001
58 #define SA_RESETHAND 0x00000004
59 #define SA_NOCLDSTOP 0x00000008
60 #define SA_SIGINFO 0x00000010
61 #define SA_NODEFER 0x00000020
62 #define SA_RESTART 0x00000040
63 #define SA_NOCLDWAIT 0x00000080
64 #define _SA_SIGGFAULT 0x00000100 /* HPUX */
66 #define SA_NOMASK SA_NODEFER
67 #define SA_ONESHOT SA_RESETHAND
69 #define MINSIGSTKSZ 2048
73 #define SIG_BLOCK 0 /* for blocking signals */
74 #define SIG_UNBLOCK 1 /* for unblocking signals */
75 #define SIG_SETMASK 2 /* for setting the signal mask */
77 #define SIG_DFL ((__sighandler_t)0) /* default signal handling */
78 #define SIG_IGN ((__sighandler_t)1) /* ignore signal */
79 #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
83 # include <linux/types.h>
85 /* Avoid too many header ordering problems. */
88 /* Type of a signal handler. */
90 /* function pointers on 64-bit parisc are pointers to little structs and the
91 * compiler doesn't support code which changes or tests the address of
92 * the function in the little struct. This is really ugly -PB
94 typedef char __user
*__sighandler_t
;
96 typedef void __signalfn_t(int);
97 typedef __signalfn_t __user
*__sighandler_t
;
100 typedef struct sigaltstack
{
106 #endif /* !__ASSEMBLY */
107 #endif /* _UAPI_ASM_PARISC_SIGNAL_H */