1 #ifndef _ASM_CRIS_SIGNAL_H
2 #define _ASM_CRIS_SIGNAL_H
4 #include <linux/types.h>
6 /* Avoid too many header ordering problems. */
10 /* Most things should be clean enough to redefine this at will, if care
11 is taken to make libc match. */
15 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
17 typedef unsigned long old_sigset_t; /* at least 32 bits */
20 unsigned long sig[_NSIG_WORDS];
24 /* Here we must cater to libcs that poke about in kernel headers. */
27 typedef unsigned long sigset_t;
29 #endif /* __KERNEL__ */
69 /* These should not be considered constants from userland. */
71 #define SIGRTMAX _NSIG
76 * SA_ONSTACK indicates that a registered stack_t will be used.
77 * SA_RESTART flag to get restarting signals (which were the default long ago)
78 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
79 * SA_RESETHAND clears the handler when the signal is delivered.
80 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
81 * SA_NODEFER prevents the current signal from being masked in the handler.
83 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
84 * Unix names RESETHAND and NODEFER respectively.
87 #define SA_NOCLDSTOP 0x00000001u
88 #define SA_NOCLDWAIT 0x00000002u
89 #define SA_SIGINFO 0x00000004u
90 #define SA_ONSTACK 0x08000000u
91 #define SA_RESTART 0x10000000u
92 #define SA_NODEFER 0x40000000u
93 #define SA_RESETHAND 0x80000000u
95 #define SA_NOMASK SA_NODEFER
96 #define SA_ONESHOT SA_RESETHAND
98 #define SA_RESTORER 0x04000000
101 * sigaltstack controls
106 #define MINSIGSTKSZ 2048
107 #define SIGSTKSZ 8192
109 #include <asm-generic/signal.h>
112 struct old_sigaction {
113 __sighandler_t sa_handler;
114 old_sigset_t sa_mask;
115 unsigned long sa_flags;
116 void (*sa_restorer)(void);
120 __sighandler_t sa_handler;
121 unsigned long sa_flags;
122 void (*sa_restorer)(void);
123 sigset_t sa_mask; /* mask last for extensibility */
130 /* Here we must cater to libcs that poke about in kernel headers. */
134 __sighandler_t _sa_handler;
135 void (*_sa_sigaction)(int, struct siginfo *, void *);
138 unsigned long sa_flags;
139 void (*sa_restorer)(void);
142 #define sa_handler _u._sa_handler
143 #define sa_sigaction _u._sa_sigaction
145 #endif /* __KERNEL__ */
147 typedef struct sigaltstack {
154 #include <asm/sigcontext.h>
156 /* here we could define asm-optimized sigaddset, sigdelset etc. operations.
157 * if we don't, generic ones are used from linux/signal.h
159 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
161 #endif /* __KERNEL__ */