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      1 #ifndef _UAPI_ASM_X86_SIGNAL_H
      2 #define _UAPI_ASM_X86_SIGNAL_H
      3 
      4 #ifndef __ASSEMBLY__
      5 #include <linux/types.h>
      6 #include <linux/time.h>
      7 #include <linux/compiler.h>
      8 
      9 /* Avoid too many header ordering problems.  */
     10 struct siginfo;
     11 
     12 #ifndef __KERNEL__
     13 /* Here we must cater to libcs that poke about in kernel headers.  */
     14 
     15 #define NSIG		32
     16 typedef unsigned long sigset_t;
     17 
     18 #endif /* __KERNEL__ */
     19 #endif /* __ASSEMBLY__ */
     20 
     21 
     22 #define SIGHUP		 1
     23 #define SIGINT		 2
     24 #define SIGQUIT		 3
     25 #define SIGILL		 4
     26 #define SIGTRAP		 5
     27 #define SIGABRT		 6
     28 #define SIGIOT		 6
     29 #define SIGBUS		 7
     30 #define SIGFPE		 8
     31 #define SIGKILL		 9
     32 #define SIGUSR1		10
     33 #define SIGSEGV		11
     34 #define SIGUSR2		12
     35 #define SIGPIPE		13
     36 #define SIGALRM		14
     37 #define SIGTERM		15
     38 #define SIGSTKFLT	16
     39 #define SIGCHLD		17
     40 #define SIGCONT		18
     41 #define SIGSTOP		19
     42 #define SIGTSTP		20
     43 #define SIGTTIN		21
     44 #define SIGTTOU		22
     45 #define SIGURG		23
     46 #define SIGXCPU		24
     47 #define SIGXFSZ		25
     48 #define SIGVTALRM	26
     49 #define SIGPROF		27
     50 #define SIGWINCH	28
     51 #define SIGIO		29
     52 #define SIGPOLL		SIGIO
     53 /*
     54 #define SIGLOST		29
     55 */
     56 #define SIGPWR		30
     57 #define SIGSYS		31
     58 #define	SIGUNUSED	31
     59 
     60 /* These should not be considered constants from userland.  */
     61 #define SIGRTMIN	32
     62 #define SIGRTMAX	_NSIG
     63 
     64 /*
     65  * SA_FLAGS values:
     66  *
     67  * SA_ONSTACK indicates that a registered stack_t will be used.
     68  * SA_RESTART flag to get restarting signals (which were the default long ago)
     69  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
     70  * SA_RESETHAND clears the handler when the signal is delivered.
     71  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
     72  * SA_NODEFER prevents the current signal from being masked in the handler.
     73  *
     74  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
     75  * Unix names RESETHAND and NODEFER respectively.
     76  */
     77 #define SA_NOCLDSTOP	0x00000001u
     78 #define SA_NOCLDWAIT	0x00000002u
     79 #define SA_SIGINFO	0x00000004u
     80 #define SA_ONSTACK	0x08000000u
     81 #define SA_RESTART	0x10000000u
     82 #define SA_NODEFER	0x40000000u
     83 #define SA_RESETHAND	0x80000000u
     84 
     85 #define SA_NOMASK	SA_NODEFER
     86 #define SA_ONESHOT	SA_RESETHAND
     87 
     88 #define SA_RESTORER	0x04000000
     89 
     90 #define MINSIGSTKSZ	2048
     91 #define SIGSTKSZ	8192
     92 
     93 #include <asm-generic/signal-defs.h>
     94 
     95 #ifndef __ASSEMBLY__
     96 
     97 
     98 # ifndef __KERNEL__
     99 /* Here we must cater to libcs that poke about in kernel headers.  */
    100 #ifdef __i386__
    101 
    102 struct sigaction {
    103 	union {
    104 	  __sighandler_t _sa_handler;
    105 	  void (*_sa_sigaction)(int, struct siginfo *, void *);
    106 	} _u;
    107 	sigset_t sa_mask;
    108 	unsigned long sa_flags;
    109 	void (*sa_restorer)(void);
    110 };
    111 
    112 #define sa_handler	_u._sa_handler
    113 #define sa_sigaction	_u._sa_sigaction
    114 
    115 #else /* __i386__ */
    116 
    117 struct sigaction {
    118 	__sighandler_t sa_handler;
    119 	unsigned long sa_flags;
    120 	__sigrestore_t sa_restorer;
    121 	sigset_t sa_mask;		/* mask last for extensibility */
    122 };
    123 
    124 #endif /* !__i386__ */
    125 # endif /* ! __KERNEL__ */
    126 
    127 typedef struct sigaltstack {
    128 	void __user *ss_sp;
    129 	int ss_flags;
    130 	size_t ss_size;
    131 } stack_t;
    132 
    133 #endif /* __ASSEMBLY__ */
    134 
    135 #endif /* _UAPI_ASM_X86_SIGNAL_H */
    136