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#ifndef __ASM_MIPS_SIGNAL_H
#define __ASM_MIPS_SIGNAL_H
/*
* For now ...
*/
#include <linux/types.h>
typedef __u64 sigset_t;
#if 0
/*
* This is what we should really use but the kernel can't handle
* a non-scalar type yet. Since we use 64 signals only anyway we
* just use __u64 and pad another 64 bits in the kernel for now ...
*/
typedef struct {
unsigned int sigbits[4];
} sigset_t;
#endif
#define _NSIG 65
#define NSIG _NSIG
/*
* For 1.3.0 Linux/MIPS changed the signal numbers to be compatible the ABI.
*/
#define SIGHUP 1 /* Hangup (POSIX). */
#define SIGINT 2 /* Interrupt (ANSI). */
#define SIGQUIT 3 /* Quit (POSIX). */
#define SIGILL 4 /* Illegal instruction (ANSI). */
#define SIGTRAP 5 /* Trace trap (POSIX). */
#define SIGIOT 6 /* IOT trap (4.2 BSD). */
#define SIGABRT SIGIOT /* Abort (ANSI). */
#define SIGEMT 7
#define SIGFPE 8 /* Floating-point exception (ANSI). */
#define SIGKILL 9 /* Kill, unblockable (POSIX). */
#define SIGBUS 10 /* BUS error (4.2 BSD). */
#define SIGSEGV 11 /* Segmentation violation (ANSI). */
#define SIGSYS 12
#define SIGPIPE 13 /* Broken pipe (POSIX). */
#define SIGALRM 14 /* Alarm clock (POSIX). */
#define SIGTERM 15 /* Termination (ANSI). */
#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
#define SIGCHLD 18 /* Child status has changed (POSIX). */
#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
#define SIGPWR 19 /* Power failure restart (System V). */
#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
#define SIGURG 21 /* Urgent condition on socket (4.2 BSD). */
#define SIGIO 22 /* I/O now possible (4.2 BSD). */
#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
#define SIGTSTP 24 /* Keyboard stop (POSIX). */
#define SIGCONT 25 /* Continue (POSIX). */
#define SIGTTIN 26 /* Background read from tty (POSIX). */
#define SIGTTOU 27 /* Background write to tty (POSIX). */
#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
/*
* 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_STACK 0x1
#define SA_ONSTACK SA_STACK
#define SA_RESTART 0x4
#define SA_NOCLDSTOP 0x20000
/* Non ABI signals */
#define SA_INTERRUPT 0x01000000
#define SA_NOMASK 0x02000000
#define SA_ONESHOT 0x04000000
#define SA_SHIRQ 0x08000000
#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.
*/
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#endif
#define SIG_BLOCK 1 /* for blocking signals */
#define SIG_UNBLOCK 2 /* for unblocking signals */
#define SIG_SETMASK 3 /* for setting the signal mask */
/* Type of a signal handler. */
typedef void (*__sighandler_t)(int);
/* Fake signal functions */
#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 {
unsigned int sa_flags;
__sighandler_t sa_handler;
sigset_t sa_mask;
/*
* To keep the ABI structure size we have to fill a little gap ...
*/
unsigned int sa_mask_pad[2];
/* Abi says here follows reserved int[2] */
void (*sa_restorer)(void);
#if __mips < 3
/*
* For 32 bit code we have to pad struct sigaction to get
* constant size for the ABI
*/
int pad0[1]; /* reserved */
#endif
};
#ifdef __KERNEL__
#include <asm/sigcontext.h>
#endif
#endif /* __ASM_MIPS_SIGNAL_H */
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