LXR linux/arch/s390/include/uapi/asm/signal.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 *  S390 version
   4 *
   5 *  Derived from "include/asm-i386/signal.h"
   6 */
   7
   8#ifndef _UAPI_ASMS390_SIGNAL_H
   9#define _UAPI_ASMS390_SIGNAL_H
  10
  11#include <linux/types.h>
  12#include <linux/time.h>
  13
  14/* Avoid too many header ordering problems.  */
  15struct siginfo;
  16struct pt_regs;
  17
  18#ifndef __KERNEL__
  19/* Here we must cater to libcs that poke about in kernel headers.  */
  20
  21#define NSIG            32
  22typedef unsigned long sigset_t;
  23
  24#endif /* __KERNEL__ */
  25
  26#define SIGHUP           1
  27#define SIGINT           2
  28#define SIGQUIT          3
  29#define SIGILL           4
  30#define SIGTRAP          5
  31#define SIGABRT          6
  32#define SIGIOT           6
  33#define SIGBUS           7
  34#define SIGFPE           8
  35#define SIGKILL          9
  36#define SIGUSR1         10
  37#define SIGSEGV         11
  38#define SIGUSR2         12
  39#define SIGPIPE         13
  40#define SIGALRM         14
  41#define SIGTERM         15
  42#define SIGSTKFLT       16
  43#define SIGCHLD         17
  44#define SIGCONT         18
  45#define SIGSTOP         19
  46#define SIGTSTP         20
  47#define SIGTTIN         21
  48#define SIGTTOU         22
  49#define SIGURG          23
  50#define SIGXCPU         24
  51#define SIGXFSZ         25
  52#define SIGVTALRM       26
  53#define SIGPROF         27
  54#define SIGWINCH        28
  55#define SIGIO           29
  56#define SIGPOLL         SIGIO
  57/*
  58#define SIGLOST         29
  59*/
  60#define SIGPWR          30
  61#define SIGSYS          31
  62#define SIGUNUSED       31
  63
  64/* These should not be considered constants from userland.  */
  65#define SIGRTMIN        32
  66#define SIGRTMAX        _NSIG
  67
  68/*
  69 * SA_FLAGS values:
  70 *
  71 * SA_ONSTACK indicates that a registered stack_t will be used.
  72 * SA_RESTART flag to get restarting signals (which were the default long ago)
  73 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  74 * SA_RESETHAND clears the handler when the signal is delivered.
  75 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  76 * SA_NODEFER prevents the current signal from being masked in the handler.
  77 *
  78 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  79 * Unix names RESETHAND and NODEFER respectively.
  80 */
  81#define SA_NOCLDSTOP    0x00000001
  82#define SA_NOCLDWAIT    0x00000002
  83#define SA_SIGINFO      0x00000004
  84#define SA_ONSTACK      0x08000000
  85#define SA_RESTART      0x10000000
  86#define SA_NODEFER      0x40000000
  87#define SA_RESETHAND    0x80000000
  88
  89#define SA_NOMASK       SA_NODEFER
  90#define SA_ONESHOT      SA_RESETHAND
  91
  92#define SA_RESTORER     0x04000000
  93
  94#define MINSIGSTKSZ     2048
  95#define SIGSTKSZ        8192
  96
  97#include <asm-generic/signal-defs.h>
  98
  99#ifndef __KERNEL__
 100/* Here we must cater to libcs that poke about in kernel headers.  */
 101
 102struct sigaction {
 103        union {
 104          __sighandler_t _sa_handler;
 105          void (*_sa_sigaction)(int, struct siginfo *, void *);
 106        } _u;
 107#ifndef __s390x__ /* lovely */
 108        sigset_t sa_mask;
 109        unsigned long sa_flags;
 110        void (*sa_restorer)(void);
 111#else  /* __s390x__ */
 112        unsigned long sa_flags;
 113        void (*sa_restorer)(void);
 114        sigset_t sa_mask;
 115#endif /* __s390x__ */
 116};
 117
 118#define sa_handler      _u._sa_handler
 119#define sa_sigaction    _u._sa_sigaction
 120
 121#endif /* __KERNEL__ */
 122
 123typedef struct sigaltstack {
 124        void __user *ss_sp;
 125        int ss_flags;
 126        size_t ss_size;
 127} stack_t;
 128
 129
 130#endif /* _UAPI_ASMS390_SIGNAL_H */
 131