1 #ifndef _X8664_SIGINFO_H
2 #define _X8664_SIGINFO_H
4 #include <linux/types.h>
11 #define SI_MAX_SIZE 128
12 #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3)
14 typedef struct siginfo {
20 int _pad[SI_PAD_SIZE];
24 pid_t _pid; /* sender's pid */
25 uid_t _uid; /* sender's uid */
34 /* POSIX.1b signals */
36 pid_t _pid; /* sender's pid */
37 uid_t _uid; /* sender's uid */
43 pid_t _pid; /* which child */
44 uid_t _uid; /* sender's uid */
45 int _status; /* exit code */
50 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
52 void *_addr; /* faulting insn/memory ref. */
57 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
64 * How these fields are to be accessed.
66 #define si_pid _sifields._kill._pid
67 #define si_uid _sifields._kill._uid
68 #define si_status _sifields._sigchld._status
69 #define si_utime _sifields._sigchld._utime
70 #define si_stime _sifields._sigchld._stime
71 #define si_value _sifields._rt._sigval
72 #define si_int _sifields._rt._sigval.sival_int
73 #define si_ptr _sifields._rt._sigval.sival_ptr
74 #define si_addr _sifields._sigfault._addr
75 #define si_band _sifields._sigpoll._band
76 #define si_fd _sifields._sigpoll._fd
79 #define __SI_MASK 0xffff0000
80 #define __SI_KILL (0 << 16)
81 #define __SI_TIMER (1 << 16)
82 #define __SI_POLL (2 << 16)
83 #define __SI_FAULT (3 << 16)
84 #define __SI_CHLD (4 << 16)
85 #define __SI_RT (5 << 16)
86 #define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff))
94 #define __SI_CODE(T,N) (N)
99 * Digital reserves positive values for kernel-generated signals.
100 * ... And Linux ignores that convention -AK.
102 #define SI_USER 0 /* sent by kill, sigsend, raise */
103 #define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
104 #define SI_QUEUE -1 /* sent by sigqueue */
105 #define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
106 #define SI_MESGQ -3 /* sent by real time mesq state change */
107 #define SI_ASYNCIO -4 /* sent by AIO completion */
108 #define SI_SIGIO -5 /* sent by queued SIGIO */
109 #define SI_TKILL -6 /* sent by tkill system call */
111 #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
112 #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
117 #define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */
118 #define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */
119 #define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */
120 #define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */
121 #define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */
122 #define ILL_PRVREG (__SI_FAULT|6) /* privileged register */
123 #define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */
124 #define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */
130 #define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */
131 #define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */
132 #define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */
133 #define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */
134 #define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */
135 #define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */
136 #define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */
137 #define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */
143 #define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */
144 #define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */
150 #define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */
151 #define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */
152 #define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */
158 #define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */
159 #define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */
165 #define CLD_EXITED (__SI_CHLD|1) /* child has exited */
166 #define CLD_KILLED (__SI_CHLD|2) /* child was killed */
167 #define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */
168 #define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */
169 #define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */
170 #define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */
176 #define POLL_IN (__SI_POLL|1) /* data input available */
177 #define POLL_OUT (__SI_POLL|2) /* output buffers available */
178 #define POLL_MSG (__SI_POLL|3) /* input message available */
179 #define POLL_ERR (__SI_POLL|4) /* i/o error */
180 #define POLL_PRI (__SI_POLL|5) /* high priority input available */
181 #define POLL_HUP (__SI_POLL|6) /* device disconnected */
185 * sigevent definitions
187 * It seems likely that SIGEV_THREAD will have to be handled from
188 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
189 * thread manager then catches and does the appropriate nonsense.
190 * However, everything is written out here so as to not get lost.
192 #define SIGEV_SIGNAL 0 /* notify via signal */
193 #define SIGEV_NONE 1 /* other notification: meaningless */
194 #define SIGEV_THREAD 2 /* deliver via thread creation */
196 #define SIGEV_MAX_SIZE 64
197 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
199 typedef struct sigevent {
200 sigval_t sigev_value;
204 int _pad[SIGEV_PAD_SIZE];
207 void (*_function)(sigval_t);
208 void *_attribute; /* really pthread_attr_t */
213 #define sigev_notify_function _sigev_un._sigev_thread._function
214 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
217 #include <linux/string.h>
219 extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
221 if (from->si_code < 0)
222 memcpy(to, from, sizeof(siginfo_t));
224 /* _sigchld is currently the largest know union member */
225 memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
228 extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
230 #endif /* __KERNEL__ */