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#include <linux/types.h>
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/* Avoid too many header ordering problems. */
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/* Most things should be clean enough to redefine this at will, if care
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is taken to make libc match. */
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#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
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typedef unsigned long old_sigset_t; /* at least 32 bits */
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unsigned long sig[_NSIG_WORDS];
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/* Here we must cater to libcs that poke about in kernel headers. */
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typedef unsigned long sigset_t;
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#endif /* __KERNEL__ */
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/* These should not be considered constants from userland. */
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#define SIGRTMAX _NSIG
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* SA_ONSTACK indicates that a registered stack_t will be used.
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* SA_RESTART flag to get restarting signals (which were the default long ago)
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* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
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* SA_RESETHAND clears the handler when the signal is delivered.
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* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
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* SA_NODEFER prevents the current signal from being masked in the handler.
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* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
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* Unix names RESETHAND and NODEFER respectively.
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#define SA_NOCLDSTOP 0x00000001
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#define SA_NOCLDWAIT 0x00000002
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#define SA_SIGINFO 0x00000004
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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* sigaltstack controls
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#define MINSIGSTKSZ 2048
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#define SIGSTKSZ 8192
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#include <asm-generic/signal-defs.h>
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struct old_sigaction {
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__sighandler_t sa_handler;
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old_sigset_t sa_mask;
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unsigned long sa_flags;
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__sigrestore_t sa_restorer;
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__sighandler_t sa_handler;
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unsigned long sa_flags;
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__sigrestore_t sa_restorer;
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sigset_t sa_mask; /* mask last for extensibility */
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/* Here we must cater to libcs that poke about in kernel headers. */
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__sighandler_t _sa_handler;
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void (*_sa_sigaction)(int, struct siginfo *, void *);
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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#define sa_handler _u._sa_handler
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#define sa_sigaction _u._sa_sigaction
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#endif /* __KERNEL__ */
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typedef struct sigaltstack {
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#include <asm/sigcontext.h>
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#ifndef CONFIG_CPU_HAS_NO_BITFIELDS
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#define __HAVE_ARCH_SIG_BITOPS
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static inline void sigaddset(sigset_t *set, int _sig)
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asm ("bfset %0{%1,#1}"
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: "id" ((_sig - 1) ^ 31)
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static inline void sigdelset(sigset_t *set, int _sig)
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asm ("bfclr %0{%1,#1}"
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: "id" ((_sig - 1) ^ 31)
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static inline int __const_sigismember(sigset_t *set, int _sig)
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unsigned long sig = _sig - 1;
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return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
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static inline int __gen_sigismember(sigset_t *set, int _sig)
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asm ("bfextu %1{%2,#1},%0"
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: "od" (*set), "id" ((_sig-1) ^ 31)
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#define sigismember(set,sig) \
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(__builtin_constant_p(sig) ? \
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__const_sigismember(set,sig) : \
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__gen_sigismember(set,sig))
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static inline int sigfindinword(unsigned long word)
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asm ("bfffo %1{#0,#0},%0"
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#endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
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#define ptrace_signal_deliver(regs, cookie) do { } while (0)
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extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
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#endif /* __uClinux__ */
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#endif /* __KERNEL__ */
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#endif /* _M68K_SIGNAL_H */