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

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  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 /*
  3  * include/asm-xtensa/signal.h
  4  *
  5  * Swiped from SH.
  6  *
  7  * This file is subject to the terms and conditions of the GNU General Public
  8  * License.  See the file "COPYING" in the main directory of this archive
  9  * for more details.
 10  *
 11  * Copyright (C) 2001 - 2005 Tensilica Inc.
 12  */
 13 
 14 #ifndef _UAPI_XTENSA_SIGNAL_H
 15 #define _UAPI_XTENSA_SIGNAL_H
 16 
 17 
 18 #define _NSIG           64
 19 #define _NSIG_BPW       32
 20 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
 21 
 22 #ifndef __ASSEMBLY__
 23 
 24 #include <linux/types.h>
 25 
 26 /* Avoid too many header ordering problems.  */
 27 struct siginfo;
 28 typedef unsigned long old_sigset_t;             /* at least 32 bits */
 29 typedef struct {
 30         unsigned long sig[_NSIG_WORDS];
 31 } sigset_t;
 32 
 33 #endif
 34 
 35 #define SIGHUP           1
 36 #define SIGINT           2
 37 #define SIGQUIT          3
 38 #define SIGILL           4
 39 #define SIGTRAP          5
 40 #define SIGABRT          6
 41 #define SIGIOT           6
 42 #define SIGBUS           7
 43 #define SIGFPE           8
 44 #define SIGKILL          9
 45 #define SIGUSR1         10
 46 #define SIGSEGV         11
 47 #define SIGUSR2         12
 48 #define SIGPIPE         13
 49 #define SIGALRM         14
 50 #define SIGTERM         15
 51 #define SIGSTKFLT       16
 52 #define SIGCHLD         17
 53 #define SIGCONT         18
 54 #define SIGSTOP         19
 55 #define SIGTSTP         20
 56 #define SIGTTIN         21
 57 #define SIGTTOU         22
 58 #define SIGURG          23
 59 #define SIGXCPU         24
 60 #define SIGXFSZ         25
 61 #define SIGVTALRM       26
 62 #define SIGPROF         27
 63 #define SIGWINCH        28
 64 #define SIGIO           29
 65 #define SIGPOLL         SIGIO
 66 /* #define SIGLOST              29 */
 67 #define SIGPWR          30
 68 #define SIGSYS          31
 69 #define SIGUNUSED       31
 70 
 71 /* These should not be considered constants from userland.  */
 72 #define SIGRTMIN        32
 73 #define SIGRTMAX        (_NSIG-1)
 74 
 75 #define SA_RESTORER     0x04000000
 76 
 77 #define MINSIGSTKSZ     2048
 78 #define SIGSTKSZ        8192
 79 
 80 #ifndef __ASSEMBLY__
 81 
 82 #include <asm-generic/signal-defs.h>
 83 
 84 #ifndef __KERNEL__
 85 
 86 /* Here we must cater to libcs that poke about in kernel headers.  */
 87 
 88 struct sigaction {
 89         union {
 90           __sighandler_t _sa_handler;
 91           void (*_sa_sigaction)(int, struct siginfo *, void *);
 92         } _u;
 93         sigset_t sa_mask;
 94         unsigned long sa_flags;
 95         void (*sa_restorer)(void);
 96 };
 97 
 98 #define sa_handler      _u._sa_handler
 99 #define sa_sigaction    _u._sa_sigaction
100 
101 #endif /* __KERNEL__ */
102 
103 typedef struct sigaltstack {
104         void *ss_sp;
105         int ss_flags;
106         size_t ss_size;
107 } stack_t;
108 
109 #endif  /* __ASSEMBLY__ */
110 #endif /* _UAPI_XTENSA_SIGNAL_H */
111 

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