arch/ia64/include/uapi/asm/signal.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Modified 1998-2001, 2003
   4  *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
   5  *
   6  * Unfortunately, this file is being included by bits/signal.h in
   7  * glibc-2.x.  Hence the #ifdef __KERNEL__ ugliness.
   8  */
   9 #ifndef _UAPI_ASM_IA64_SIGNAL_H
  10 #define _UAPI_ASM_IA64_SIGNAL_H
  11
  12
  13 #define SIGHUP           1
  14 #define SIGINT           2
  15 #define SIGQUIT          3
  16 #define SIGILL           4
  17 #define SIGTRAP          5
  18 #define SIGABRT          6
  19 #define SIGIOT           6
  20 #define SIGBUS           7
  21 #define SIGFPE           8
  22 #define SIGKILL          9
  23 #define SIGUSR1         10
  24 #define SIGSEGV         11
  25 #define SIGUSR2         12
  26 #define SIGPIPE         13
  27 #define SIGALRM         14
  28 #define SIGTERM         15
  29 #define SIGSTKFLT       16
  30 #define SIGCHLD         17
  31 #define SIGCONT         18
  32 #define SIGSTOP         19
  33 #define SIGTSTP         20
  34 #define SIGTTIN         21
  35 #define SIGTTOU         22
  36 #define SIGURG          23
  37 #define SIGXCPU         24
  38 #define SIGXFSZ         25
  39 #define SIGVTALRM       26
  40 #define SIGPROF         27
  41 #define SIGWINCH        28
  42 #define SIGIO           29
  43 #define SIGPOLL         SIGIO
  44 /*
  45 #define SIGLOST         29
  46 */
  47 #define SIGPWR          30
  48 #define SIGSYS          31
  49 /* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
  50 #define SIGUNUSED       31
  51
  52 /* These should not be considered constants from userland.  */
  53 #define SIGRTMIN        32
  54 #define SIGRTMAX        _NSIG
  55
  56 /*
  57  * SA_FLAGS values:
  58  *
  59  * SA_ONSTACK indicates that a registered stack_t will be used.
  60  * SA_RESTART flag to get restarting signals (which were the default long ago)
  61  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  62  * SA_RESETHAND clears the handler when the signal is delivered.
  63  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  64  * SA_NODEFER prevents the current signal from being masked in the handler.
  65  *
  66  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  67  * Unix names RESETHAND and NODEFER respectively.
  68  */
  69 #define SA_NOCLDSTOP    0x00000001
  70 #define SA_NOCLDWAIT    0x00000002
  71 #define SA_SIGINFO      0x00000004
  72 #define SA_ONSTACK      0x08000000
  73 #define SA_RESTART      0x10000000
  74 #define SA_NODEFER      0x40000000
  75 #define SA_RESETHAND    0x80000000
  76
  77 #define SA_NOMASK       SA_NODEFER
  78 #define SA_ONESHOT      SA_RESETHAND
  79
  80 #define SA_RESTORER     0x04000000
  81
  82 /*
  83  * The minimum stack size needs to be fairly large because we want to
  84  * be sure that an app compiled for today's CPUs will continue to run
  85  * on all future CPU models.  The CPU model matters because the signal
  86  * frame needs to have space for the complete machine state, including
  87  * all physical stacked registers.  The number of physical stacked
  88  * registers is CPU model dependent, but given that the width of
  89  * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
  90  * more than 16KB of space.
  91  */
  92 #if 1
  93   /*
  94    * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
  95    * in wrong. ;-(  To preserve backwards compatibility, we leave the kernel at the
  96    * incorrect value and fix libc only.
  97    */
  98 # define MINSIGSTKSZ    131027  /* min. stack size for sigaltstack() */
  99 #else
 100 # define MINSIGSTKSZ    131072  /* min. stack size for sigaltstack() */
 101 #endif
 102 #define SIGSTKSZ        262144  /* default stack size for sigaltstack() */
 103
 104
 105 #include <asm-generic/signal-defs.h>
 106
 107 # ifndef __ASSEMBLY__
 108
 109 #  include <linux/types.h>
 110
 111 /* Avoid too many header ordering problems.  */
 112 struct siginfo;
 113
 114 typedef struct sigaltstack {
 115         void __user *ss_sp;
 116         int ss_flags;
 117         size_t ss_size;
 118 } stack_t;
 119
 120
 121 # endif /* !__ASSEMBLY__ */
 122 #endif /* _UAPI_ASM_IA64_SIGNAL_H */