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#ifndef _ASMPPC_SIGNAL_H
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#define _ASMPPC_SIGNAL_H
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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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/* These should not be considered constants from userland. */
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#define SIGRTMAX (_NSIG-1)
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* SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
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* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
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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 /* not supported yet */
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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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#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
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#define SA_RESTORER 0x04000000
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* sigaltstack controls
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#define MINSIGSTKSZ 2048
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* These values of sa_flags are used only by the kernel as part of the
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* irq handling routines.
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* SA_INTERRUPT is also used by the irq handling routines.
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* SA_SHIRQ is for shared interrupt support on PCI and EISA.
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#define SA_PROBE SA_ONESHOT
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#define SA_SAMPLE_RANDOM SA_RESTART
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#define SA_SHIRQ 0x04000000
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#define SIG_BLOCK 0 /* for blocking signals */
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#define SIG_UNBLOCK 1 /* for unblocking signals */
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#define SIG_SETMASK 2 /* for setting the signal mask */
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/* Type of a signal handler. */
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typedef void (*__sighandler_t)(int);
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#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
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#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
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#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
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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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void (*sa_restorer)(void);
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__sighandler_t sa_handler;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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sigset_t sa_mask; /* mask last for extensibility */
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typedef struct sigaltstack {
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#include <asm/sigcontext.h>