[glibc.git] / sysdeps / unix / sysv / linux / alpha / bits / siginfo.h

/* siginfo_t, sigevent and constants.  Linux/Alpha version.
   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#if !defined _SIGNAL_H && !defined __need_siginfo_t
# error "Never include this file directly.  Use <signal.h> instead"
#endif

#include <bits/wordsize.h>

#if (!defined __have_siginfo_t \
     && (defined _SIGNAL_H || defined __need_siginfo_t))
# define __have_siginfo_t	1

/* Type for data associated with a signal.  */
typedef union sigval
  {
    int sival_int;
    void *sival_ptr;
  } sigval_t;

# define __SI_MAX_SIZE     128
# if __WORDSIZE == 64
#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
# else
#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
# endif

typedef struct siginfo
  {
    int si_signo;		/* Signal number.  */
    int si_errno;		/* If non-zero, an errno value associated with
				   this signal, as defined in <errno.h>.  */
    int si_code;		/* Signal code.  */

    union
      {
	int _pad[__SI_PAD_SIZE];

	 /* kill().  */
	struct
	  {
	    __pid_t si_pid;	/* Sending process ID.  */
	    __uid_t si_uid;	/* Real user ID of sending process.  */
	  } _kill;

	/* POSIX.1b timers.  */
	struct
	  {
	    unsigned int _timer1;
	    unsigned int _timer2;
	  } _timer;

	/* POSIX.1b signals.  */
	struct
	  {
	    __pid_t si_pid;	/* Sending process ID.  */
	    __uid_t si_uid;	/* Real user ID of sending process.  */
	    sigval_t si_sigval;	/* Signal value.  */
	  } _rt;

	/* SIGCHLD.  */
	struct
	  {
	    __pid_t si_pid;	/* Which child.  */
	    __uid_t si_uid;	/* Real user ID of sending process.  */
	    int si_status;	/* Exit value or signal.  */
	    __clock_t si_utime;
	    __clock_t si_stime;
	  } _sigchld;

	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
	struct
	  {
	    void *si_addr;	/* Faulting insn/memory ref.  */
	  } _sigfault;

	/* SIGPOLL.  */
	struct
	  {
	    int si_band;	/* Band event for SIGPOLL.  */
	    int si_fd;
	  } _sigpoll;
      } _sifields;
  } siginfo_t;


/* X/Open requires some more fields with fixed names.  */
# define si_pid		_sifields._kill.si_pid
# define si_uid		_sifields._kill.si_uid
# define si_timer1	_sifields._timer._timer1
# define si_timer2	_sifields._timer._timer2
# define si_status	_sifields._sigchld.si_status
# define si_utime	_sifields._sigchld.si_utime
# define si_stime	_sifields._sigchld.si_stime
# define si_value	_sifields._rt.si_sigval
# define si_int		_sifields._rt.si_sigval.sival_int
# define si_ptr		_sifields._rt.si_sigval.sival_ptr
# define si_addr	_sifields._sigfault.si_addr
# define si_band	_sifields._sigpoll.si_band
# define si_fd		_sifields._sigpoll.si_fd


/* Values for `si_code'.  Positive values are reserved for kernel-generated
   signals.  */
enum
{
  SI_SIGIO = -5,		/* Sent by queued SIGIO. */
# define SI_SIGIO	SI_SIGIO
  SI_ASYNCIO,			/* Sent by AIO completion.  */
# define SI_ASYNCIO	SI_ASYNCIO
  SI_MESGQ,			/* Sent by real time mesq state change.  */
# define SI_MESGQ	SI_MESGQ
  SI_TIMER,			/* Sent by timer expiration.  */
# define SI_TIMER	SI_TIMER
  SI_QUEUE,			/* Sent by sigqueue.  */
# define SI_QUEUE	SI_QUEUE
  SI_USER,			/* Sent by kill, sigsend, raise.  */
# define SI_USER	SI_USER
  SI_KERNEL = 0x80		/* Send by kernel.  */
#define SI_KERNEL	SI_KERNEL
};


/* `si_code' values for SIGILL signal.  */
enum
{
  ILL_ILLOPC = 1,		/* Illegal opcode.  */
# define ILL_ILLOPC	ILL_ILLOPC
  ILL_ILLOPN,			/* Illegal operand.  */
# define ILL_ILLOPN	ILL_ILLOPN
  ILL_ILLADR,			/* Illegal addressing mode.  */
# define ILL_ILLADR	ILL_ILLADR
  ILL_ILLTRP,			/* Illegal trap. */
# define ILL_ILLTRP	ILL_ILLTRP
  ILL_PRVOPC,			/* Privileged opcode.  */
# define ILL_PRVOPC	ILL_PRVOPC
  ILL_PRVREG,			/* Privileged register.  */
# define ILL_PRVREG	ILL_PRVREG
  ILL_COPROC,			/* Coprocessor error.  */
# define ILL_COPROC	ILL_COPROC
  ILL_BADSTK			/* Internal stack error.  */
# define ILL_BADSTK	ILL_BADSTK
};

/* `si_code' values for SIGFPE signal.  */
enum
{
  FPE_INTDIV = 1,		/* Integer divide by zero.  */
# define FPE_INTDIV	FPE_INTDIV
  FPE_INTOVF,			/* Integer overflow.  */
# define FPE_INTOVF	FPE_INTOVF
  FPE_FLTDIV,			/* Floating point divide by zero.  */
# define FPE_FLTDIV	FPE_FLTDIV
  FPE_FLTOVF,			/* Floating point overflow.  */
# define FPE_FLTOVF	FPE_FLTOVF
  FPE_FLTUND,			/* Floating point underflow.  */
# define FPE_FLTUND	FPE_FLTUND
  FPE_FLTRES,			/* Floating point inexact result.  */
# define FPE_FLTRES	FPE_FLTRES
  FPE_FLTINV,			/* Floating point invalid operation.  */
# define FPE_FLTINV	FPE_FLTINV
  FPE_FLTSUB			/* Subscript out of range.  */
# define FPE_FLTSUB	FPE_FLTSUB
};

/* `si_code' values for SIGSEGV signal.  */
enum
{
  SEGV_MAPERR = 1,		/* Address not mapped to object.  */
# define SEGV_MAPERR	SEGV_MAPERR
  SEGV_ACCERR			/* Invalid permissions for mapped object.  */
# define SEGV_ACCERR	SEGV_ACCERR
};

/* `si_code' values for SIGBUS signal.  */
enum
{
  BUS_ADRALN = 1,		/* Invalid address alignment.  */
# define BUS_ADRALN	BUS_ADRALN
  BUS_ADRERR,			/* Non-existant physical address.  */
# define BUS_ADRERR	BUS_ADRERR
  BUS_OBJERR			/* Object specific hardware error.  */
# define BUS_OBJERR	BUS_OBJERR
};

/* `si_code' values for SIGTRAP signal.  */
enum
{
  TRAP_BRKPT = 1,		/* Process breakpoint.  */
# define TRAP_BRKPT	TRAP_BRKPT
  TRAP_TRACE			/* Process trace trap.  */
# define TRAP_TRACE	TRAP_TRACE
};

/* `si_code' values for SIGCHLD signal.  */
enum
{
  CLD_EXITED = 1,		/* Child has exited.  */
# define CLD_EXITED	CLD_EXITED
  CLD_KILLED,			/* Child was killed.  */
# define CLD_KILLED	CLD_KILLED
  CLD_DUMPED,			/* Child terminated abnormally.  */
# define CLD_DUMPED	CLD_DUMPED
  CLD_TRAPPED,			/* Traced child has trapped.  */
# define CLD_TRAPPED	CLD_TRAPPED
  CLD_STOPPED,			/* Child has stopped.  */
# define CLD_STOPPED	CLD_STOPPED
  CLD_CONTINUED			/* Stopped child has continued.  */
# define CLD_CONTINUED	CLD_CONTINUED
};

/* `si_code' values for SIGPOLL signal.  */
enum
{
  POLL_IN = 1,			/* Data input available.  */
# define POLL_IN	POLL_IN
  POLL_OUT,			/* Output buffers available.  */
# define POLL_OUT	POLL_OUT
  POLL_MSG,			/* Input message available.   */
# define POLL_MSG	POLL_MSG
  POLL_ERR,			/* I/O error.  */
# define POLL_ERR	POLL_ERR
  POLL_PRI,			/* High priority input available.  */
# define POLL_PRI	POLL_PRI
  POLL_HUP			/* Device disconnected.  */
# define POLL_HUP	POLL_HUP
};

# undef __need_siginfo_t
#endif	/* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */


#if defined _SIGNAL_H && !defined __have_sigevent_t
# define __have_sigevent_t	1

/* Structure to transport application-defined values with signals.  */
# define __SIGEV_MAX_SIZE	64
# if __WORDSIZE == 64
#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
# else
#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
# endif

/* Forward declaration of the `pthread_attr_t' type.  */
struct __pthread_attr_s;

typedef struct sigevent
  {
    sigval_t sigev_value;
    int sigev_signo;
    int sigev_notify;

    union
      {
	int _pad[__SIGEV_PAD_SIZE];

	struct
	  {
	    void (*_function) (sigval_t);	  /* Function to start.  */
	    struct __pthread_attr_s *_attribute;  /* Really pthread_attr_t.  */
	  } _sigev_thread;
      } _sigev_un;
  } sigevent_t;

/* POSIX names to access some of the members.  */
# define sigev_notify_function   _sigev_un._sigev_thread._function
# define sigev_notify_attributes _sigev_un._sigev_thread._attribute

/* `sigev_notify' values.  */
enum
{
  SIGEV_SIGNAL = 0,		/* Notify via signal.  */
# define SIGEV_SIGNAL	SIGEV_SIGNAL
  SIGEV_NONE,			/* Other notification: meaningless.  */
# define SIGEV_NONE	SIGEV_NONE
  SIGEV_THREAD			/* Deliver via thread creation.  */
# define SIGEV_THREAD	SIGEV_THREAD
};

#endif	/* have _SIGNAL_H.  */
Commit	Line	Data
5a9339d5 UD	1	/* siginfo_t, sigevent and constants. Linux/Alpha version.
5a9339d5 UD	2	Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
8ce9ea0c UD	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Library General Public License as
	7	published by the Free Software Foundation; either version 2 of the
	8	License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Library General Public License for more details.
	14
	15	You should have received a copy of the GNU Library General Public
	16	License along with the GNU C Library; see the file COPYING.LIB. If not,
	17	write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	18	Boston, MA 02111-1307, USA. */
	19
	20	#if !defined _SIGNAL_H && !defined __need_siginfo_t
	21	# error "Never include this file directly. Use <signal.h> instead"
	22	#endif
	23
	24	#include <bits/wordsize.h>
	25
	26	#if (!defined __have_siginfo_t \
	27	&& (defined _SIGNAL_H \|\| defined __need_siginfo_t))
	28	# define __have_siginfo_t 1
	29
	30	/* Type for data associated with a signal. */
	31	typedef union sigval
	32	{
	33	int sival_int;
	34	void *sival_ptr;
	35	} sigval_t;
	36
	37	# define __SI_MAX_SIZE 128
	38	# if __WORDSIZE == 64
	39	# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
	40	# else
	41	# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
	42	# endif
	43
	44	typedef struct siginfo
	45	{
	46	int si_signo; /* Signal number. */
	47	int si_errno; /* If non-zero, an errno value associated with
	48	this signal, as defined in <errno.h>. */
	49	int si_code; /* Signal code. */
	50
	51	union
	52	{
	53	int _pad[__SI_PAD_SIZE];
	54
	55	/* kill(). */
	56	struct
	57	{
	58	__pid_t si_pid; /* Sending process ID. */
	59	__uid_t si_uid; /* Real user ID of sending process. */
	60	} _kill;
	61
	62	/* POSIX.1b timers. */
	63	struct
	64	{
	65	unsigned int _timer1;
	66	unsigned int _timer2;
67	} _timer;
68
69	/* POSIX.1b signals. */
70	struct
71	{
72	__pid_t si_pid; /* Sending process ID. */
73	__uid_t si_uid; /* Real user ID of sending process. */
74	sigval_t si_sigval; /* Signal value. */
75	} _rt;
76
77	/* SIGCHLD. */
78	struct
79	{
80	__pid_t si_pid; /* Which child. */
81	__uid_t si_uid; /* Real user ID of sending process. */
82	int si_status; /* Exit value or signal. */
83	__clock_t si_utime;
84	__clock_t si_stime;
85	} _sigchld;
86
87	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
88	struct
89	{
90	void si_addr; / Faulting insn/memory ref. */
91	} _sigfault;
92
93	/* SIGPOLL. */
94	struct
95	{
96	int si_band; /* Band event for SIGPOLL. */
97	int si_fd;
98	} _sigpoll;
99	} _sifields;
100	} siginfo_t;
101
102
103	/* X/Open requires some more fields with fixed names. */
104	# define si_pid _sifields._kill.si_pid
105	# define si_uid _sifields._kill.si_uid
106	# define si_timer1 _sifields._timer._timer1
107	# define si_timer2 _sifields._timer._timer2
108	# define si_status _sifields._sigchld.si_status
109	# define si_utime _sifields._sigchld.si_utime
110	# define si_stime _sifields._sigchld.si_stime
111	# define si_value _sifields._rt.si_sigval
112	# define si_int _sifields._rt.si_sigval.sival_int
113	# define si_ptr _sifields._rt.si_sigval.sival_ptr
114	# define si_addr _sifields._sigfault.si_addr
115	# define si_band _sifields._sigpoll.si_band
116	# define si_fd _sifields._sigpoll.si_fd
117
118
119	/* Values for `si_code'. Positive values are reserved for kernel-generated
120	signals. */
121	enum
122	{
123	SI_SIGIO = -5, /* Sent by queued SIGIO. */
124	# define SI_SIGIO SI_SIGIO
125	SI_ASYNCIO, /* Sent by AIO completion. */
126	# define SI_ASYNCIO SI_ASYNCIO
127	SI_MESGQ, /* Sent by real time mesq state change. */
128	# define SI_MESGQ SI_MESGQ
129	SI_TIMER, /* Sent by timer expiration. */
130	# define SI_TIMER SI_TIMER
131	SI_QUEUE, /* Sent by sigqueue. */
132	# define SI_QUEUE SI_QUEUE
133	SI_USER, /* Sent by kill, sigsend, raise. */
134	# define SI_USER SI_USER
135	SI_KERNEL = 0x80 /* Send by kernel. */
136	#define SI_KERNEL SI_KERNEL
137	};
138
139
140	/* `si_code' values for SIGILL signal. */
141	enum
142	{
143	ILL_ILLOPC = 1, /* Illegal opcode. */
144	# define ILL_ILLOPC ILL_ILLOPC
145	ILL_ILLOPN, /* Illegal operand. */
146	# define ILL_ILLOPN ILL_ILLOPN
147	ILL_ILLADR, /* Illegal addressing mode. */
148	# define ILL_ILLADR ILL_ILLADR
149	ILL_ILLTRP, /* Illegal trap. */
150	# define ILL_ILLTRP ILL_ILLTRP
151	ILL_PRVOPC, /* Privileged opcode. */
152	# define ILL_PRVOPC ILL_PRVOPC
153	ILL_PRVREG, /* Privileged register. */
154	# define ILL_PRVREG ILL_PRVREG
155	ILL_COPROC, /* Coprocessor error. */
156	# define ILL_COPROC ILL_COPROC
157	ILL_BADSTK /* Internal stack error. */
158	# define ILL_BADSTK ILL_BADSTK
159	};
160
161	/* `si_code' values for SIGFPE signal. */
162	enum
163	{
164	FPE_INTDIV = 1, /* Integer divide by zero. */
165	# define FPE_INTDIV FPE_INTDIV
166	FPE_INTOVF, /* Integer overflow. */
167	# define FPE_INTOVF FPE_INTOVF
168	FPE_FLTDIV, /* Floating point divide by zero. */
169	# define FPE_FLTDIV FPE_FLTDIV
170	FPE_FLTOVF, /* Floating point overflow. */
171	# define FPE_FLTOVF FPE_FLTOVF
172	FPE_FLTUND, /* Floating point underflow. */
173	# define FPE_FLTUND FPE_FLTUND
174	FPE_FLTRES, /* Floating point inexact result. */
175	# define FPE_FLTRES FPE_FLTRES
176	FPE_FLTINV, /* Floating point invalid operation. */
177	# define FPE_FLTINV FPE_FLTINV
178	FPE_FLTSUB /* Subscript out of range. */
179	# define FPE_FLTSUB FPE_FLTSUB
180	};
181
182	/* `si_code' values for SIGSEGV signal. */
183	enum
184	{
185	SEGV_MAPERR = 1, /* Address not mapped to object. */
186	# define SEGV_MAPERR SEGV_MAPERR
187	SEGV_ACCERR /* Invalid permissions for mapped object. */
188	# define SEGV_ACCERR SEGV_ACCERR
189	};
190
191	/* `si_code' values for SIGBUS signal. */
192	enum
193	{
194	BUS_ADRALN = 1, /* Invalid address alignment. */
195	# define BUS_ADRALN BUS_ADRALN
196	BUS_ADRERR, /* Non-existant physical address. */
197	# define BUS_ADRERR BUS_ADRERR
198	BUS_OBJERR /* Object specific hardware error. */
199	# define BUS_OBJERR BUS_OBJERR
200	};
201
202	/* `si_code' values for SIGTRAP signal. */
203	enum
204	{
205	TRAP_BRKPT = 1, /* Process breakpoint. */
206	# define TRAP_BRKPT TRAP_BRKPT
207	TRAP_TRACE /* Process trace trap. */
208	# define TRAP_TRACE TRAP_TRACE
209	};
210
211	/* `si_code' values for SIGCHLD signal. */
212	enum
213	{
214	CLD_EXITED = 1, /* Child has exited. */
215	# define CLD_EXITED CLD_EXITED
216	CLD_KILLED, /* Child was killed. */
217	# define CLD_KILLED CLD_KILLED
218	CLD_DUMPED, /* Child terminated abnormally. */
219	# define CLD_DUMPED CLD_DUMPED
220	CLD_TRAPPED, /* Traced child has trapped. */
221	# define CLD_TRAPPED CLD_TRAPPED
222	CLD_STOPPED, /* Child has stopped. */
223	# define CLD_STOPPED CLD_STOPPED
224	CLD_CONTINUED /* Stopped child has continued. */
225	# define CLD_CONTINUED CLD_CONTINUED
226	};
227
228	/* `si_code' values for SIGPOLL signal. */
229	enum
230	{
231	POLL_IN = 1, /* Data input available. */
232	# define POLL_IN POLL_IN
233	POLL_OUT, /* Output buffers available. */
234	# define POLL_OUT POLL_OUT
235	POLL_MSG, /* Input message available. */
236	# define POLL_MSG POLL_MSG
237	POLL_ERR, /* I/O error. */
238	# define POLL_ERR POLL_ERR
239	POLL_PRI, /* High priority input available. */
240	# define POLL_PRI POLL_PRI
241	POLL_HUP /* Device disconnected. */
242	# define POLL_HUP POLL_HUP
243	};
244
245	# undef __need_siginfo_t
246	#endif /* !have siginfo_t && (have _SIGNAL_H \|\| need siginfo_t). */
247
248
249	#if defined _SIGNAL_H && !defined __have_sigevent_t
250	# define __have_sigevent_t 1
251
252	/* Structure to transport application-defined values with signals. */
253	# define __SIGEV_MAX_SIZE 64
254	# if __WORDSIZE == 64
255	# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
256	# else
257	# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
258	# endif
259
5a9339d5 UD	260	/* Forward declaration of the `pthread_attr_t' type. */
	261	struct __pthread_attr_s;
	262
8ce9ea0c UD	263	typedef struct sigevent
	264	{
	265	sigval_t sigev_value;
	266	int sigev_signo;
	267	int sigev_notify;
	268
	269	union
	270	{
	271	int _pad[__SIGEV_PAD_SIZE];
	272
	273	struct
	274	{
	275	void (_function) (sigval_t); / Function to start. */
5a9339d5	276	struct __pthread_attr_s _attribute; / Really pthread_attr_t. */
8ce9ea0c UD	277	} _sigev_thread;
	278	} _sigev_un;
	279	} sigevent_t;
	280
	281	/* POSIX names to access some of the members. */
	282	# define sigev_notify_function _sigev_un._sigev_thread._function
	283	# define sigev_notify_attributes _sigev_un._sigev_thread._attribute
	284
	285	/* `sigev_notify' values. */
	286	enum
	287	{
	288	SIGEV_SIGNAL = 0, /* Notify via signal. */
	289	# define SIGEV_SIGNAL SIGEV_SIGNAL
	290	SIGEV_NONE, /* Other notification: meaningless. */
	291	# define SIGEV_NONE SIGEV_NONE
	292	SIGEV_THREAD /* Deliver via thread creation. */
	293	# define SIGEV_THREAD SIGEV_THREAD
	294	};
	295
	296	#endif /* have _SIGNAL_H. */