/* $Id: signal.h,v 1.21 1996/04/25 06:13:28 davem Exp $ */
#ifndef _ASMSPARC_SIGNAL_H
#define _ASMSPARC_SIGNAL_H
#include <asm/sigcontext.h>
/* On the Sparc the signal handlers get passed a 'sub-signal' code
* for certain signal types, which we document here.
*/
#define _NSIG 32
#define NSIG _NSIG
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SUBSIG_STACK 0
#define SUBSIG_ILLINST 2
#define SUBSIG_PRIVINST 3
#define SUBSIG_BADTRAP(t) (0x80 + (t))
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT 6
#define SIGEMT 7
#define SUBSIG_TAG 10
#define SIGFPE 8
#define SUBSIG_FPDISABLED 0x400
#define SUBSIG_FPERROR 0x404
#define SUBSIG_FPINTOVFL 0x001
#define SUBSIG_FPSTSIG 0x002
#define SUBSIG_IDIVZERO 0x014
#define SUBSIG_FPINEXACT 0x0c4
#define SUBSIG_FPDIVZERO 0x0c8
#define SUBSIG_FPUNFLOW 0x0cc
#define SUBSIG_FPOPERROR 0x0d0
#define SUBSIG_FPOVFLOW 0x0d4
#define SIGKILL 9
#define SIGBUS 10
#define SUBSIG_BUSTIMEOUT 1
#define SUBSIG_ALIGNMENT 2
#define SUBSIG_MISCERROR 5
#define SIGSEGV 11
#define SUBSIG_NOMAPPING 3
#define SUBSIG_PROTECTION 4
#define SUBSIG_SEGERROR 5
#define SIGSYS 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGURG 16
/* SunOS values which deviate from the Linux/i386 ones */
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGIO 23
#define SIGPOLL SIGIO /* SysV name for SIGIO */
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGLOST 29
#define SIGUSR1 30
#define SIGUSR2 31
#ifndef __ASSEMBLY__
typedef unsigned long sigset_t;
#ifdef __KERNEL__
#include <asm/sigcontext.h>
#endif
/* A SunOS sigstack */
struct sigstack {
char *the_stack;
int cur_status;
};
/* Sigvec flags */
#define SV_SSTACK 1 /* This signal handler should use sig-stack */
#define SV_INTR 2 /* Sig return should not restart system call */
#define SV_RESET 4 /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8 /* Do not send SIGCHLD */
/*
* sa_flags values: SA_STACK is not currently supported, but will allow the
* usage of signal stacks by using the (now obsolete) sa_restorer field in
* the sigaction structure as a stack pointer. This is now possible due to
* the changes in signal handling. LBT 010493.
* SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
*/
#define SA_NOCLDSTOP SV_IGNCHILD
#define SA_STACK SV_SSTACK
#define SA_RESTART SV_INTR
#define SA_ONESHOT SV_RESET
#define SA_INTERRUPT 0x10
#define SA_NOMASK 0x20
#define SA_SHIRQ 0x40
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */
#define SIG_SETMASK 0x04 /* for setting the signal mask */
#ifdef __KERNEL__
/*
* These values of sa_flags are used only by the kernel as part of the
* irq handling routines.
*
* SA_INTERRUPT is also used by the irq handling routines.
*
* DJHR
* SA_STATIC_ALLOC is used for the SPARC system to indicate that this
* interrupt handler's irq structure should be statically allocated
* by the request_irq routine.
* The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
* of interrupt usage and that sucks. Also without a flag like this
* it may be possible for the free_irq routine to attempt to free
* statically allocated data.. which is NOT GOOD.
*
*/
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_STATIC_ALLOC 0x80
#endif
/* Type of a signal handler. */
#ifdef __KERNEL__
typedef void (*__sighandler_t)(int, int, struct sigcontext_struct *, char *);
#else
typedef void (*__sighandler_t)(int);
#endif
#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
struct sigaction {
__sighandler_t sa_handler;
sigset_t sa_mask;
unsigned long sa_flags;
};
#endif /* !(__ASSEMBLY__) */
#endif /* !(_ASMSPARC_SIGNAL_H) */
