xref: /openbmc/linux/arch/ia64/include/uapi/asm/signal.h (revision ca55b2fe)
1 /*
2  * Modified 1998-2001, 2003
3  *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
4  *
5  * Unfortunately, this file is being included by bits/signal.h in
6  * glibc-2.x.  Hence the #ifdef __KERNEL__ ugliness.
7  */
8 #ifndef _UAPI_ASM_IA64_SIGNAL_H
9 #define _UAPI_ASM_IA64_SIGNAL_H
10 
11 
12 #define SIGHUP		 1
13 #define SIGINT		 2
14 #define SIGQUIT		 3
15 #define SIGILL		 4
16 #define SIGTRAP		 5
17 #define SIGABRT		 6
18 #define SIGIOT		 6
19 #define SIGBUS		 7
20 #define SIGFPE		 8
21 #define SIGKILL		 9
22 #define SIGUSR1		10
23 #define SIGSEGV		11
24 #define SIGUSR2		12
25 #define SIGPIPE		13
26 #define SIGALRM		14
27 #define SIGTERM		15
28 #define SIGSTKFLT	16
29 #define SIGCHLD		17
30 #define SIGCONT		18
31 #define SIGSTOP		19
32 #define SIGTSTP		20
33 #define SIGTTIN		21
34 #define SIGTTOU		22
35 #define SIGURG		23
36 #define SIGXCPU		24
37 #define SIGXFSZ		25
38 #define SIGVTALRM	26
39 #define SIGPROF		27
40 #define SIGWINCH	28
41 #define SIGIO		29
42 #define SIGPOLL		SIGIO
43 /*
44 #define SIGLOST		29
45 */
46 #define SIGPWR		30
47 #define SIGSYS		31
48 /* signal 31 is no longer "unused", but the SIGUNUSED macro remains for backwards compatibility */
49 #define	SIGUNUSED	31
50 
51 /* These should not be considered constants from userland.  */
52 #define SIGRTMIN	32
53 #define SIGRTMAX	_NSIG
54 
55 /*
56  * SA_FLAGS values:
57  *
58  * SA_ONSTACK indicates that a registered stack_t will be used.
59  * SA_RESTART flag to get restarting signals (which were the default long ago)
60  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
61  * SA_RESETHAND clears the handler when the signal is delivered.
62  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
63  * SA_NODEFER prevents the current signal from being masked in the handler.
64  *
65  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
66  * Unix names RESETHAND and NODEFER respectively.
67  */
68 #define SA_NOCLDSTOP	0x00000001
69 #define SA_NOCLDWAIT	0x00000002
70 #define SA_SIGINFO	0x00000004
71 #define SA_ONSTACK	0x08000000
72 #define SA_RESTART	0x10000000
73 #define SA_NODEFER	0x40000000
74 #define SA_RESETHAND	0x80000000
75 
76 #define SA_NOMASK	SA_NODEFER
77 #define SA_ONESHOT	SA_RESETHAND
78 
79 #define SA_RESTORER	0x04000000
80 
81 /*
82  * The minimum stack size needs to be fairly large because we want to
83  * be sure that an app compiled for today's CPUs will continue to run
84  * on all future CPU models.  The CPU model matters because the signal
85  * frame needs to have space for the complete machine state, including
86  * all physical stacked registers.  The number of physical stacked
87  * registers is CPU model dependent, but given that the width of
88  * ar.rsc.loadrs is 14 bits, we can assume that they'll never take up
89  * more than 16KB of space.
90  */
91 #if 1
92   /*
93    * This is a stupid typo: the value was _meant_ to be 131072 (0x20000), but I typed it
94    * in wrong. ;-(  To preserve backwards compatibility, we leave the kernel at the
95    * incorrect value and fix libc only.
96    */
97 # define MINSIGSTKSZ	131027	/* min. stack size for sigaltstack() */
98 #else
99 # define MINSIGSTKSZ	131072	/* min. stack size for sigaltstack() */
100 #endif
101 #define SIGSTKSZ	262144	/* default stack size for sigaltstack() */
102 
103 
104 #include <asm-generic/signal-defs.h>
105 
106 # ifndef __ASSEMBLY__
107 
108 #  include <linux/types.h>
109 
110 /* Avoid too many header ordering problems.  */
111 struct siginfo;
112 
113 typedef struct sigaltstack {
114 	void __user *ss_sp;
115 	int ss_flags;
116 	size_t ss_size;
117 } stack_t;
118 
119 
120 # endif /* !__ASSEMBLY__ */
121 #endif /* _UAPI_ASM_IA64_SIGNAL_H */
122