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

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  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 */
123 

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