1 #ifndef _M68KNOMMU_SIGNAL_H
2 #define _M68KNOMMU_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.
86 #define SA_NOCLDSTOP 0x00000001
87 #define SA_NOCLDWAIT 0x00000002
88 #define SA_SIGINFO 0x00000004
89 #define SA_ONSTACK 0x08000000
90 #define SA_RESTART 0x10000000
91 #define SA_NODEFER 0x40000000
92 #define SA_RESETHAND 0x80000000
94 #define SA_NOMASK SA_NODEFER
95 #define SA_ONESHOT SA_RESETHAND
98 * sigaltstack controls
103 #define MINSIGSTKSZ 2048
104 #define SIGSTKSZ 8192
106 #include <asm-generic/signal.h>
109 struct old_sigaction {
110 __sighandler_t sa_handler;
111 old_sigset_t sa_mask;
112 unsigned long sa_flags;
113 void (*sa_restorer)(void);
117 __sighandler_t sa_handler;
118 unsigned long sa_flags;
119 void (*sa_restorer)(void);
120 sigset_t sa_mask; /* mask last for extensibility */
127 /* Here we must cater to libcs that poke about in kernel headers. */
131 __sighandler_t _sa_handler;
132 void (*_sa_sigaction)(int, struct siginfo *, void *);
135 unsigned long sa_flags;
136 void (*sa_restorer)(void);
139 #define sa_handler _u._sa_handler
140 #define sa_sigaction _u._sa_sigaction
142 #endif /* __KERNEL__ */
144 typedef struct sigaltstack {
152 #include <asm/sigcontext.h>
153 #undef __HAVE_ARCH_SIG_BITOPS
155 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
157 #endif /* __KERNEL__ */
159 #endif /* _M68KNOMMU_SIGNAL_H */