diff options
Diffstat (limited to 'include/asm-mips/signal.h')
| -rw-r--r-- | include/asm-mips/signal.h | 50 |
1 files changed, 28 insertions, 22 deletions
diff --git a/include/asm-mips/signal.h b/include/asm-mips/signal.h index f2c470f1d36..6fe903e09c6 100644 --- a/include/asm-mips/signal.h +++ b/include/asm-mips/signal.h @@ -98,12 +98,39 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */ #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 +#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. + * SA_SHIRQ flag is for shared interrupt support on PCI and EISA. + */ +#define SA_SAMPLE_RANDOM SA_RESTART + +#ifdef CONFIG_TRAD_SIGNALS +#define sig_uses_siginfo(ka) ((ka)->sa.sa_flags & SA_SIGINFO) +#else +#define sig_uses_siginfo(ka) (1) +#endif + +#endif /* __KERNEL__ */ + #define SIG_BLOCK 1 /* for blocking signals */ #define SIG_UNBLOCK 2 /* for unblocking signals */ #define SIG_SETMASK 3 /* for setting the signal mask */ #define SIG_SETMASK32 256 /* Goodie from SGI for BSD compatibility: set only the low 32 bit of the sigset. */ -#include <asm-generic/signal.h> + +/* Type of a signal handler. */ +typedef void __signalfn_t(int); +typedef __signalfn_t __user *__sighandler_t; + +/* 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; @@ -128,27 +155,6 @@ typedef struct sigaltstack { #ifdef __KERNEL__ #include <asm/sigcontext.h> -/* - * The following break codes are or were in use for specific purposes in - * other MIPS operating systems. Linux/MIPS doesn't use all of them. The - * unused ones are here as placeholders; we might encounter them in - * non-Linux/MIPS object files or make use of them in the future. - */ -#define BRK_USERBP 0 /* User bp (used by debuggers) */ -#define BRK_KERNELBP 1 /* Break in the kernel */ -#define BRK_ABORT 2 /* Sometimes used by abort(3) to SIGIOT */ -#define BRK_BD_TAKEN 3 /* For bd slot emulation - not implemented */ -#define BRK_BD_NOTTAKEN 4 /* For bd slot emulation - not implemented */ -#define BRK_SSTEPBP 5 /* User bp (used by debuggers) */ -#define BRK_OVERFLOW 6 /* Overflow check */ -#define BRK_DIVZERO 7 /* Divide by zero check */ -#define BRK_RANGE 8 /* Range error check */ -#define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */ -#define BRK_NORLD 10 /* No rld found - not used by Linux/MIPS */ -#define _BRK_THREADBP 11 /* For threads, user bp (used by debuggers) */ -#define BRK_MULOVF 1023 /* Multiply overflow */ -#define BRK_BUG 512 /* Used by BUG() */ - #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif /* __KERNEL__ */ |