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

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  1 #ifndef _UAPI_ASMARM_SIGNAL_H
  2 #define _UAPI_ASMARM_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 #define SIGHUP           1
 18 #define SIGINT           2
 19 #define SIGQUIT          3
 20 #define SIGILL           4
 21 #define SIGTRAP          5
 22 #define SIGABRT          6
 23 #define SIGIOT           6
 24 #define SIGBUS           7
 25 #define SIGFPE           8
 26 #define SIGKILL          9
 27 #define SIGUSR1         10
 28 #define SIGSEGV         11
 29 #define SIGUSR2         12
 30 #define SIGPIPE         13
 31 #define SIGALRM         14
 32 #define SIGTERM         15
 33 #define SIGSTKFLT       16
 34 #define SIGCHLD         17
 35 #define SIGCONT         18
 36 #define SIGSTOP         19
 37 #define SIGTSTP         20
 38 #define SIGTTIN         21
 39 #define SIGTTOU         22
 40 #define SIGURG          23
 41 #define SIGXCPU         24
 42 #define SIGXFSZ         25
 43 #define SIGVTALRM       26
 44 #define SIGPROF         27
 45 #define SIGWINCH        28
 46 #define SIGIO           29
 47 #define SIGPOLL         SIGIO
 48 /*
 49 #define SIGLOST         29
 50 */
 51 #define SIGPWR          30
 52 #define SIGSYS          31
 53 #define SIGUNUSED       31
 54 
 55 /* These should not be considered constants from userland.  */
 56 #define SIGRTMIN        32
 57 #define SIGRTMAX        _NSIG
 58 
 59 #define SIGSWI          32
 60 
 61 /*
 62  * SA_FLAGS values:
 63  *
 64  * SA_NOCLDSTOP         flag to turn off SIGCHLD when children stop.
 65  * SA_NOCLDWAIT         flag on SIGCHLD to inhibit zombies.
 66  * SA_SIGINFO           deliver the signal with SIGINFO structs
 67  * SA_THIRTYTWO         delivers the signal in 32-bit mode, even if the task 
 68  *                      is running in 26-bit.
 69  * SA_ONSTACK           allows alternate signal stacks (see sigaltstack(2)).
 70  * SA_RESTART           flag to get restarting signals (which were the default long ago)
 71  * SA_NODEFER           prevents the current signal from being masked in the handler.
 72  * SA_RESETHAND         clears the handler when the signal is delivered.
 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    0x00000001
 78 #define SA_NOCLDWAIT    0x00000002
 79 #define SA_SIGINFO      0x00000004
 80 #define SA_THIRTYTWO    0x02000000
 81 #define SA_RESTORER     0x04000000
 82 #define SA_ONSTACK      0x08000000
 83 #define SA_RESTART      0x10000000
 84 #define SA_NODEFER      0x40000000
 85 #define SA_RESETHAND    0x80000000
 86 
 87 #define SA_NOMASK       SA_NODEFER
 88 #define SA_ONESHOT      SA_RESETHAND
 89 
 90 #define MINSIGSTKSZ     2048
 91 #define SIGSTKSZ        8192
 92 
 93 #include <asm-generic/signal-defs.h>
 94 
 95 #ifndef __KERNEL__
 96 /* Here we must cater to libcs that poke about in kernel headers.  */
 97 
 98 struct sigaction {
 99         union {
100           __sighandler_t _sa_handler;
101           void (*_sa_sigaction)(int, struct siginfo *, void *);
102         } _u;
103         sigset_t sa_mask;
104         unsigned long sa_flags;
105         void (*sa_restorer)(void);
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 
120 #endif /* _UAPI_ASMARM_SIGNAL_H */
121 

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