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Linux/arch/alpha/include/uapi/asm/signal.h

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  1 #ifndef _UAPI_ASMAXP_SIGNAL_H
  2 #define _UAPI_ASMAXP_SIGNAL_H
  3 
  4 #include <linux/types.h>
  5 
  6 /* Avoid too many header ordering problems.  */
  7 struct siginfo;
  8 
  9 #ifndef __KERNEL__
 10 /* Here we must cater to libcs that poke about in kernel headers.  */
 11 
 12 #define NSIG            32
 13 typedef unsigned long sigset_t;
 14 
 15 #endif /* __KERNEL__ */
 16 
 17 
 18 /*
 19  * Linux/AXP has different signal numbers that Linux/i386: I'm trying
 20  * to make it OSF/1 binary compatible, at least for normal binaries.
 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 SIGEMT           7
 29 #define SIGFPE           8
 30 #define SIGKILL          9
 31 #define SIGBUS          10
 32 #define SIGSEGV         11
 33 #define SIGSYS          12
 34 #define SIGPIPE         13
 35 #define SIGALRM         14
 36 #define SIGTERM         15
 37 #define SIGURG          16
 38 #define SIGSTOP         17
 39 #define SIGTSTP         18
 40 #define SIGCONT         19
 41 #define SIGCHLD         20
 42 #define SIGTTIN         21
 43 #define SIGTTOU         22
 44 #define SIGIO           23
 45 #define SIGXCPU         24
 46 #define SIGXFSZ         25
 47 #define SIGVTALRM       26
 48 #define SIGPROF         27
 49 #define SIGWINCH        28
 50 #define SIGINFO         29
 51 #define SIGUSR1         30
 52 #define SIGUSR2         31
 53 
 54 #define SIGPOLL SIGIO
 55 #define SIGPWR  SIGINFO
 56 #define SIGIOT  SIGABRT
 57 
 58 /* These should not be considered constants from userland.  */
 59 #define SIGRTMIN        32
 60 #define SIGRTMAX        _NSIG
 61 
 62 /*
 63  * SA_FLAGS values:
 64  *
 65  * SA_ONSTACK indicates that a registered stack_t will be used.
 66  * SA_RESTART flag to get restarting signals (which were the default long ago)
 67  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 68  * SA_RESETHAND clears the handler when the signal is delivered.
 69  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 70  * SA_NODEFER prevents the current signal from being masked in the handler.
 71  *
 72  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 73  * Unix names RESETHAND and NODEFER respectively.
 74  */
 75 
 76 #define SA_ONSTACK      0x00000001
 77 #define SA_RESTART      0x00000002
 78 #define SA_NOCLDSTOP    0x00000004
 79 #define SA_NODEFER      0x00000008
 80 #define SA_RESETHAND    0x00000010
 81 #define SA_NOCLDWAIT    0x00000020
 82 #define SA_SIGINFO      0x00000040
 83 
 84 #define SA_ONESHOT      SA_RESETHAND
 85 #define SA_NOMASK       SA_NODEFER
 86 
 87 #define MINSIGSTKSZ     4096
 88 #define SIGSTKSZ        16384
 89 
 90 #define SIG_BLOCK          1    /* for blocking signals */
 91 #define SIG_UNBLOCK        2    /* for unblocking signals */
 92 #define SIG_SETMASK        3    /* for setting the signal mask */
 93 
 94 #include <asm-generic/signal-defs.h>
 95 
 96 #ifndef __KERNEL__
 97 /* Here we must cater to libcs that poke about in kernel headers.  */
 98 
 99 struct sigaction {
100         union {
101           __sighandler_t        _sa_handler;
102           void (*_sa_sigaction)(int, struct siginfo *, void *);
103         } _u;
104         sigset_t        sa_mask;
105         int             sa_flags;
106 };
107 
108 #define sa_handler      _u._sa_handler
109 #define sa_sigaction    _u._sa_sigaction
110 
111 #endif /* __KERNEL__ */
112 
113 typedef struct sigaltstack {
114         void __user *ss_sp;
115         int ss_flags;
116         size_t ss_size;
117 } stack_t;
118 
119 /* sigstack(2) is deprecated, and will be withdrawn in a future version
120    of the X/Open CAE Specification.  Use sigaltstack instead.  It is only
121    implemented here for OSF/1 compatibility.  */
122 
123 struct sigstack {
124         void __user *ss_sp;
125         int ss_onstack;
126 };
127 
128 
129 #endif /* _UAPI_ASMAXP_SIGNAL_H */
130 

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