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Linux/arch/s390/include/uapi/asm/signal.h

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  1 /*
  2  *  S390 version
  3  *
  4  *  Derived from "include/asm-i386/signal.h"
  5  */
  6 
  7 #ifndef _UAPI_ASMS390_SIGNAL_H
  8 #define _UAPI_ASMS390_SIGNAL_H
  9 
 10 #include <linux/types.h>
 11 #include <linux/time.h>
 12 
 13 /* Avoid too many header ordering problems.  */
 14 struct siginfo;
 15 struct pt_regs;
 16 
 17 #ifndef __KERNEL__
 18 /* Here we must cater to libcs that poke about in kernel headers.  */
 19 
 20 #define NSIG            32
 21 typedef unsigned long sigset_t;
 22 
 23 #endif /* __KERNEL__ */
 24 
 25 #define SIGHUP           1
 26 #define SIGINT           2
 27 #define SIGQUIT          3
 28 #define SIGILL           4
 29 #define SIGTRAP          5
 30 #define SIGABRT          6
 31 #define SIGIOT           6
 32 #define SIGBUS           7
 33 #define SIGFPE           8
 34 #define SIGKILL          9
 35 #define SIGUSR1         10
 36 #define SIGSEGV         11
 37 #define SIGUSR2         12
 38 #define SIGPIPE         13
 39 #define SIGALRM         14
 40 #define SIGTERM         15
 41 #define SIGSTKFLT       16
 42 #define SIGCHLD         17
 43 #define SIGCONT         18
 44 #define SIGSTOP         19
 45 #define SIGTSTP         20
 46 #define SIGTTIN         21
 47 #define SIGTTOU         22
 48 #define SIGURG          23
 49 #define SIGXCPU         24
 50 #define SIGXFSZ         25
 51 #define SIGVTALRM       26
 52 #define SIGPROF         27
 53 #define SIGWINCH        28
 54 #define SIGIO           29
 55 #define SIGPOLL         SIGIO
 56 /*
 57 #define SIGLOST         29
 58 */
 59 #define SIGPWR          30
 60 #define SIGSYS          31
 61 #define SIGUNUSED       31
 62 
 63 /* These should not be considered constants from userland.  */
 64 #define SIGRTMIN        32
 65 #define SIGRTMAX        _NSIG
 66 
 67 /*
 68  * SA_FLAGS values:
 69  *
 70  * SA_ONSTACK indicates that a registered stack_t will be used.
 71  * SA_RESTART flag to get restarting signals (which were the default long ago)
 72  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 73  * SA_RESETHAND clears the handler when the signal is delivered.
 74  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 75  * SA_NODEFER prevents the current signal from being masked in the handler.
 76  *
 77  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 78  * Unix names RESETHAND and NODEFER respectively.
 79  */
 80 #define SA_NOCLDSTOP    0x00000001
 81 #define SA_NOCLDWAIT    0x00000002
 82 #define SA_SIGINFO      0x00000004
 83 #define SA_ONSTACK      0x08000000
 84 #define SA_RESTART      0x10000000
 85 #define SA_NODEFER      0x40000000
 86 #define SA_RESETHAND    0x80000000
 87 
 88 #define SA_NOMASK       SA_NODEFER
 89 #define SA_ONESHOT      SA_RESETHAND
 90 
 91 #define SA_RESTORER     0x04000000
 92 
 93 #define MINSIGSTKSZ     2048
 94 #define SIGSTKSZ        8192
 95 
 96 #include <asm-generic/signal-defs.h>
 97 
 98 #ifndef __KERNEL__
 99 /* Here we must cater to libcs that poke about in kernel headers.  */
100 
101 struct sigaction {
102         union {
103           __sighandler_t _sa_handler;
104           void (*_sa_sigaction)(int, struct siginfo *, void *);
105         } _u;
106 #ifndef __s390x__ /* lovely */
107         sigset_t sa_mask;
108         unsigned long sa_flags;
109         void (*sa_restorer)(void);
110 #else  /* __s390x__ */
111         unsigned long sa_flags;
112         void (*sa_restorer)(void);
113         sigset_t sa_mask;
114 #endif /* __s390x__ */
115 };
116 
117 #define sa_handler      _u._sa_handler
118 #define sa_sigaction    _u._sa_sigaction
119 
120 #endif /* __KERNEL__ */
121 
122 typedef struct sigaltstack {
123         void __user *ss_sp;
124         int ss_flags;
125         size_t ss_size;
126 } stack_t;
127 
128 
129 #endif /* _UAPI_ASMS390_SIGNAL_H */
130 

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