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jcastillo |
#ifndef __ASM_MIPS_SIGNAL_H
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#define __ASM_MIPS_SIGNAL_H
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/*
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* For now ...
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*/
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#include <linux/types.h>
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typedef __u64 sigset_t;
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#if 0
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/*
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* This is what we should really use but the kernel can't handle
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* a non-scalar type yet. Since we use 64 signals only anyway we
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* just use __u64 and pad another 64 bits in the kernel for now ...
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*/
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typedef struct {
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unsigned int sigbits[4];
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} sigset_t;
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#endif
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#define _NSIG 65
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#define NSIG _NSIG
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/*
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* For 1.3.0 Linux/MIPS changed the signal numbers to be compatible the ABI.
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*/
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#define SIGHUP 1 /* Hangup (POSIX). */
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#define SIGINT 2 /* Interrupt (ANSI). */
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#define SIGQUIT 3 /* Quit (POSIX). */
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#define SIGILL 4 /* Illegal instruction (ANSI). */
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#define SIGTRAP 5 /* Trace trap (POSIX). */
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#define SIGIOT 6 /* IOT trap (4.2 BSD). */
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#define SIGABRT SIGIOT /* Abort (ANSI). */
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#define SIGEMT 7
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#define SIGFPE 8 /* Floating-point exception (ANSI). */
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#define SIGKILL 9 /* Kill, unblockable (POSIX). */
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#define SIGBUS 10 /* BUS error (4.2 BSD). */
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#define SIGSEGV 11 /* Segmentation violation (ANSI). */
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#define SIGSYS 12
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#define SIGPIPE 13 /* Broken pipe (POSIX). */
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#define SIGALRM 14 /* Alarm clock (POSIX). */
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#define SIGTERM 15 /* Termination (ANSI). */
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#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
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#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
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#define SIGCHLD 18 /* Child status has changed (POSIX). */
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#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
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#define SIGPWR 19 /* Power failure restart (System V). */
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#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
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#define SIGURG 21 /* Urgent condition on socket (4.2 BSD). */
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#define SIGIO 22 /* I/O now possible (4.2 BSD). */
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#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
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#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
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#define SIGTSTP 24 /* Keyboard stop (POSIX). */
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#define SIGCONT 25 /* Continue (POSIX). */
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#define SIGTTIN 26 /* Background read from tty (POSIX). */
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#define SIGTTOU 27 /* Background write to tty (POSIX). */
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#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
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#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
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#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
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#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
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/*
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* sa_flags values: SA_STACK is not currently supported, but will allow the
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* usage of signal stacks by using the (now obsolete) sa_restorer field in
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* the sigaction structure as a stack pointer. This is now possible due to
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* the changes in signal handling. LBT 010493.
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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_SHIRQ flag is for shared interrupt support on PCI and EISA.
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*/
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#define SA_STACK 0x1
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#define SA_ONSTACK SA_STACK
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#define SA_RESTART 0x4
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#define SA_NOCLDSTOP 0x20000
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/* Non ABI signals */
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#define SA_INTERRUPT 0x01000000
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#define SA_NOMASK 0x02000000
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#define SA_ONESHOT 0x04000000
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#define SA_SHIRQ 0x08000000
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#ifdef __KERNEL__
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/*
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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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*
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* SA_INTERRUPT is also used by the irq handling routines.
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*/
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#define SA_PROBE SA_ONESHOT
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#define SA_SAMPLE_RANDOM SA_RESTART
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#endif
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#define SIG_BLOCK 1 /* for blocking signals */
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#define SIG_UNBLOCK 2 /* for unblocking signals */
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#define SIG_SETMASK 3 /* 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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/* Fake signal functions */
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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 sigaction {
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unsigned int sa_flags;
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__sighandler_t sa_handler;
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sigset_t sa_mask;
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/*
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* To keep the ABI structure size we have to fill a little gap ...
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*/
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unsigned int sa_mask_pad[2];
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/* Abi says here follows reserved int[2] */
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void (*sa_restorer)(void);
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#if __mips < 3
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/*
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* For 32 bit code we have to pad struct sigaction to get
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* constant size for the ABI
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*/
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int pad0[1]; /* reserved */
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#endif
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};
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#ifdef __KERNEL__
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#include <asm/sigcontext.h>
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#endif
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#endif /* __ASM_MIPS_SIGNAL_H */
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