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- #ifndef _ASM_X86_SIGNAL_H
- #define _ASM_X86_SIGNAL_H
-
- #ifndef __ASSEMBLY__
- #include <linux/types.h>
- #include <linux/time.h>
-
-
- /* Avoid too many header ordering problems. */
- struct siginfo;
-
- /* Here we must cater to libcs that poke about in kernel headers. */
-
- #define NSIG 32
- typedef unsigned long sigset_t;
-
- #endif /* __ASSEMBLY__ */
-
- #define SIGHUP 1
- #define SIGINT 2
- #define SIGQUIT 3
- #define SIGILL 4
- #define SIGTRAP 5
- #define SIGABRT 6
- #define SIGIOT 6
- #define SIGBUS 7
- #define SIGFPE 8
- #define SIGKILL 9
- #define SIGUSR1 10
- #define SIGSEGV 11
- #define SIGUSR2 12
- #define SIGPIPE 13
- #define SIGALRM 14
- #define SIGTERM 15
- #define SIGSTKFLT 16
- #define SIGCHLD 17
- #define SIGCONT 18
- #define SIGSTOP 19
- #define SIGTSTP 20
- #define SIGTTIN 21
- #define SIGTTOU 22
- #define SIGURG 23
- #define SIGXCPU 24
- #define SIGXFSZ 25
- #define SIGVTALRM 26
- #define SIGPROF 27
- #define SIGWINCH 28
- #define SIGIO 29
- #define SIGPOLL SIGIO
- /*
- #define SIGLOST 29
- */
- #define SIGPWR 30
- #define SIGSYS 31
- #define SIGUNUSED 31
-
- /* These should not be considered constants from userland. */
- #define SIGRTMIN 32
- #define SIGRTMAX _NSIG
-
- /*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
- #define SA_NOCLDSTOP 0x00000001u
- #define SA_NOCLDWAIT 0x00000002u
- #define SA_SIGINFO 0x00000004u
- #define SA_ONSTACK 0x08000000u
- #define SA_RESTART 0x10000000u
- #define SA_NODEFER 0x40000000u
- #define SA_RESETHAND 0x80000000u
-
- #define SA_NOMASK SA_NODEFER
- #define SA_ONESHOT SA_RESETHAND
-
- #define SA_RESTORER 0x04000000
-
- /*
- * sigaltstack controls
- */
- #define SS_ONSTACK 1
- #define SS_DISABLE 2
-
- #define MINSIGSTKSZ 2048
- #define SIGSTKSZ 8192
-
- #include <asm-generic/signal-defs.h>
-
- #ifndef __ASSEMBLY__
-
-
- #ifdef __i386__
- /* Here we must cater to libcs that poke about in kernel headers. */
-
- struct sigaction {
- union {
- __sighandler_t _sa_handler;
- void (*_sa_sigaction)(int, struct siginfo *, void *);
- } _u;
- sigset_t sa_mask;
- unsigned long sa_flags;
- void (*sa_restorer)(void);
- };
-
- #define sa_handler _u._sa_handler
- #define sa_sigaction _u._sa_sigaction
-
- #else /* __i386__ */
-
- struct sigaction {
- __sighandler_t sa_handler;
- unsigned long sa_flags;
- __sigrestore_t sa_restorer;
- sigset_t sa_mask; /* mask last for extensibility */
- };
-
- struct k_sigaction {
- struct sigaction sa;
- };
-
- #endif /* !__i386__ */
-
- typedef struct sigaltstack {
- void *ss_sp;
- int ss_flags;
- size_t ss_size;
- } stack_t;
-
- #endif /* __ASSEMBLY__ */
-
- #endif /* _ASM_X86_SIGNAL_H */
-