xref: /linux/arch/mips/include/uapi/asm/siginfo.h (revision 6ed7ffddcf61f668114edb676417e5fb33773b59)
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
7  * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8  */
9 #ifndef _UAPI_ASM_SIGINFO_H
10 #define _UAPI_ASM_SIGINFO_H
11 
12 
13 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
14 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */
15 
16 #define HAVE_ARCH_SIGINFO_T
17 
18 /*
19  * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
20  * by design ...
21  */
22 #define HAVE_ARCH_COPY_SIGINFO
23 struct siginfo;
24 
25 /*
26  * Careful to keep union _sifields from shifting ...
27  */
28 #ifdef CONFIG_32BIT
29 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
30 #endif
31 #ifdef CONFIG_64BIT
32 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
33 #endif
34 
35 #include <asm-generic/siginfo.h>
36 
37 typedef struct siginfo {
38 	int si_signo;
39 	int si_code;
40 	int si_errno;
41 	int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
42 
43 	union {
44 		int _pad[SI_PAD_SIZE];
45 
46 		/* kill() */
47 		struct {
48 			pid_t _pid;		/* sender's pid */
49 			__ARCH_SI_UID_T _uid;	/* sender's uid */
50 		} _kill;
51 
52 		/* POSIX.1b timers */
53 		struct {
54 			timer_t _tid;		/* timer id */
55 			int _overrun;		/* overrun count */
56 			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
57 			sigval_t _sigval;	/* same as below */
58 			int _sys_private;	/* not to be passed to user */
59 		} _timer;
60 
61 		/* POSIX.1b signals */
62 		struct {
63 			pid_t _pid;		/* sender's pid */
64 			__ARCH_SI_UID_T _uid;	/* sender's uid */
65 			sigval_t _sigval;
66 		} _rt;
67 
68 		/* SIGCHLD */
69 		struct {
70 			pid_t _pid;		/* which child */
71 			__ARCH_SI_UID_T _uid;	/* sender's uid */
72 			int _status;		/* exit code */
73 			clock_t _utime;
74 			clock_t _stime;
75 		} _sigchld;
76 
77 		/* IRIX SIGCHLD */
78 		struct {
79 			pid_t _pid;		/* which child */
80 			clock_t _utime;
81 			int _status;		/* exit code */
82 			clock_t _stime;
83 		} _irix_sigchld;
84 
85 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
86 		struct {
87 			void __user *_addr; /* faulting insn/memory ref. */
88 #ifdef __ARCH_SI_TRAPNO
89 			int _trapno;	/* TRAP # which caused the signal */
90 #endif
91 			short _addr_lsb;
92 		} _sigfault;
93 
94 		/* SIGPOLL, SIGXFSZ (To do ...)	 */
95 		struct {
96 			__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
97 			int _fd;
98 		} _sigpoll;
99 	} _sifields;
100 } siginfo_t;
101 
102 /*
103  * si_code values
104  * Again these have been chosen to be IRIX compatible.
105  */
106 #undef SI_ASYNCIO
107 #undef SI_TIMER
108 #undef SI_MESGQ
109 #define SI_ASYNCIO	-2	/* sent by AIO completion */
110 #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
111 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
112 
113 
114 #endif /* _UAPI_ASM_SIGINFO_H */
115