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

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  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 #ifndef _UAPI_ASMAXP_SIGNAL_H
  3 #define _UAPI_ASMAXP_SIGNAL_H
  4 
  5 #include <linux/types.h>
  6 
  7 /* Avoid too many header ordering problems.  */
  8 struct siginfo;
  9 
 10 #ifndef __KERNEL__
 11 /* Here we must cater to libcs that poke about in kernel headers.  */
 12 
 13 #define NSIG            32
 14 typedef unsigned long sigset_t;
 15 
 16 #endif /* __KERNEL__ */
 17 
 18 
 19 /*
 20  * Linux/AXP has different signal numbers that Linux/i386: I'm trying
 21  * to make it OSF/1 binary compatible, at least for normal binaries.
 22  */
 23 #define SIGHUP           1
 24 #define SIGINT           2
 25 #define SIGQUIT          3
 26 #define SIGILL           4
 27 #define SIGTRAP          5
 28 #define SIGABRT          6
 29 #define SIGEMT           7
 30 #define SIGFPE           8
 31 #define SIGKILL          9
 32 #define SIGBUS          10
 33 #define SIGSEGV         11
 34 #define SIGSYS          12
 35 #define SIGPIPE         13
 36 #define SIGALRM         14
 37 #define SIGTERM         15
 38 #define SIGURG          16
 39 #define SIGSTOP         17
 40 #define SIGTSTP         18
 41 #define SIGCONT         19
 42 #define SIGCHLD         20
 43 #define SIGTTIN         21
 44 #define SIGTTOU         22
 45 #define SIGIO           23
 46 #define SIGXCPU         24
 47 #define SIGXFSZ         25
 48 #define SIGVTALRM       26
 49 #define SIGPROF         27
 50 #define SIGWINCH        28
 51 #define SIGINFO         29
 52 #define SIGUSR1         30
 53 #define SIGUSR2         31
 54 
 55 #define SIGPOLL SIGIO
 56 #define SIGPWR  SIGINFO
 57 #define SIGIOT  SIGABRT
 58 
 59 /* These should not be considered constants from userland.  */
 60 #define SIGRTMIN        32
 61 #define SIGRTMAX        _NSIG
 62 
 63 #define SA_ONSTACK      0x00000001
 64 #define SA_RESTART      0x00000002
 65 #define SA_NOCLDSTOP    0x00000004
 66 #define SA_NODEFER      0x00000008
 67 #define SA_RESETHAND    0x00000010
 68 #define SA_NOCLDWAIT    0x00000020
 69 #define SA_SIGINFO      0x00000040
 70 
 71 #define SA_ONESHOT      SA_RESETHAND
 72 #define SA_NOMASK       SA_NODEFER
 73 
 74 #define MINSIGSTKSZ     4096
 75 #define SIGSTKSZ        16384
 76 
 77 #define SIG_BLOCK          1    /* for blocking signals */
 78 #define SIG_UNBLOCK        2    /* for unblocking signals */
 79 #define SIG_SETMASK        3    /* for setting the signal mask */
 80 
 81 #include <asm-generic/signal-defs.h>
 82 
 83 #ifndef __KERNEL__
 84 /* Here we must cater to libcs that poke about in kernel headers.  */
 85 
 86 struct sigaction {
 87         union {
 88           __sighandler_t        _sa_handler;
 89           void (*_sa_sigaction)(int, struct siginfo *, void *);
 90         } _u;
 91         sigset_t        sa_mask;
 92         int             sa_flags;
 93 };
 94 
 95 #define sa_handler      _u._sa_handler
 96 #define sa_sigaction    _u._sa_sigaction
 97 
 98 #endif /* __KERNEL__ */
 99 
100 typedef struct sigaltstack {
101         void __user *ss_sp;
102         int ss_flags;
103         size_t ss_size;
104 } stack_t;
105 
106 /* sigstack(2) is deprecated, and will be withdrawn in a future version
107    of the X/Open CAE Specification.  Use sigaltstack instead.  It is only
108    implemented here for OSF/1 compatibility.  */
109 
110 struct sigstack {
111         void __user *ss_sp;
112         int ss_onstack;
113 };
114 
115 
116 #endif /* _UAPI_ASMAXP_SIGNAL_H */
117 

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