1 #ifndef _ASM_PARISC_SIGNAL_H
2 #define _ASM_PARISC_SIGNAL_H
16 #define SIGSYS 12 /* Linux doesn't use this */
35 #define SIGLOST 30 /* Linux doesn't use this either */
37 #define SIGRESERVE SIGUNUSED
43 /* These should not be considered constants from userland. */
45 #define SIGRTMAX _NSIG /* it's 44 under HP/UX */
50 * SA_ONSTACK indicates that a registered stack_t will be used.
51 * SA_RESTART flag to get restarting signals (which were the default long ago)
52 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
53 * SA_RESETHAND clears the handler when the signal is delivered.
54 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
55 * SA_NODEFER prevents the current signal from being masked in the handler.
57 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
58 * Unix names RESETHAND and NODEFER respectively.
60 #define SA_ONSTACK 0x00000001
61 #define SA_RESETHAND 0x00000004
62 #define SA_NOCLDSTOP 0x00000008
63 #define SA_SIGINFO 0x00000010
64 #define SA_NODEFER 0x00000020
65 #define SA_RESTART 0x00000040
66 #define SA_NOCLDWAIT 0x00000080
67 #define _SA_SIGGFAULT 0x00000100 /* HPUX */
69 #define SA_NOMASK SA_NODEFER
70 #define SA_ONESHOT SA_RESETHAND
72 #define SA_RESTORER 0x04000000 /* obsolete -- ignored */
75 * sigaltstack controls
80 #define MINSIGSTKSZ 2048
86 /* bits-per-word, where word apparently means 'long' not 'int' */
87 #define _NSIG_BPW BITS_PER_LONG
88 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
90 #endif /* __KERNEL__ */
92 #define SIG_BLOCK 0 /* for blocking signals */
93 #define SIG_UNBLOCK 1 /* for unblocking signals */
94 #define SIG_SETMASK 2 /* for setting the signal mask */
96 #define SIG_DFL ((__sighandler_t)0) /* default signal handling */
97 #define SIG_IGN ((__sighandler_t)1) /* ignore signal */
98 #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
100 # ifndef __ASSEMBLY__
102 # include <linux/types.h>
104 /* Avoid too many header ordering problems. */
107 /* Type of a signal handler. */
109 /* function pointers on 64-bit parisc are pointers to little structs and the
110 * compiler doesn't support code which changes or tests the address of
111 * the function in the little struct. This is really ugly -PB
113 typedef char __user *__sighandler_t;
115 typedef void __signalfn_t(int);
116 typedef __signalfn_t __user *__sighandler_t;
119 typedef struct sigaltstack {
127 /* Most things should be clean enough to redefine this at will, if care
128 is taken to make libc match. */
130 typedef unsigned long old_sigset_t; /* at least 32 bits */
133 /* next_signal() assumes this is a long - no choice */
134 unsigned long sig[_NSIG_WORDS];
138 __sighandler_t sa_handler;
139 unsigned long sa_flags;
140 sigset_t sa_mask; /* mask last for extensibility */
147 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
149 #include <asm/sigcontext.h>
151 #endif /* __KERNEL__ */
152 #endif /* !__ASSEMBLY */
153 #endif /* _ASM_PARISC_SIGNAL_H */