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Add x86-64 <bits/siginfo.h>
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H.J. Lu
parent
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commit
84a6878674
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2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/unix/sysv/linux/x86_64/bits/siginfo.h: New file.
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2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/x86_64/x32/divdi3.c: New dummy file.
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330
sysdeps/unix/sysv/linux/x86_64/bits/siginfo.h
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330
sysdeps/unix/sysv/linux/x86_64/bits/siginfo.h
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/* siginfo_t, sigevent and constants. Linux x86-64 version.
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Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if !defined _SIGNAL_H && !defined __need_siginfo_t \
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&& !defined __need_sigevent_t
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# error "Never include this file directly. Use <signal.h> instead"
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#endif
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#include <bits/wordsize.h>
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#if (!defined __have_sigval_t \
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&& (defined _SIGNAL_H || defined __need_siginfo_t \
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|| defined __need_sigevent_t))
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# define __have_sigval_t 1
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/* Type for data associated with a signal. */
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typedef union sigval
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{
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int sival_int;
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void *sival_ptr;
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} sigval_t;
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#endif
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#if (!defined __have_siginfo_t \
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&& (defined _SIGNAL_H || defined __need_siginfo_t))
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# define __have_siginfo_t 1
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# define __SI_MAX_SIZE 128
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# if __WORDSIZE == 64
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# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
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# else
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# define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
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# endif
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# if defined __x86_64__ && __WORDSIZE == 32
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/* si_utime and si_stime must be 4 byte aligned for x32 to match the
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kernel. We align siginfo_t to 8 bytes so that si_utime and si_stime
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are actually aligned to 8 bytes since their offsets are multiple of
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8 bytes. */
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typedef __clock_t __attribute__ ((__aligned__ (4))) __sigchld_clock_t;
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# define __SI_ALIGNMENT __attribute__ ((__aligned__ (8)))
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# else
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typedef __clock_t __sigchld_clock_t;
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# define __SI_ALIGNMENT
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# endif
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typedef struct
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{
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int si_signo; /* Signal number. */
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int si_errno; /* If non-zero, an errno value associated with
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this signal, as defined in <errno.h>. */
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int si_code; /* Signal code. */
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union
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{
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int _pad[__SI_PAD_SIZE];
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/* kill(). */
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struct
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{
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__pid_t si_pid; /* Sending process ID. */
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__uid_t si_uid; /* Real user ID of sending process. */
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} _kill;
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/* POSIX.1b timers. */
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struct
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{
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int si_tid; /* Timer ID. */
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int si_overrun; /* Overrun count. */
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sigval_t si_sigval; /* Signal value. */
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} _timer;
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/* POSIX.1b signals. */
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struct
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{
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__pid_t si_pid; /* Sending process ID. */
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__uid_t si_uid; /* Real user ID of sending process. */
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sigval_t si_sigval; /* Signal value. */
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} _rt;
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/* SIGCHLD. */
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struct
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{
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__pid_t si_pid; /* Which child. */
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__uid_t si_uid; /* Real user ID of sending process. */
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int si_status; /* Exit value or signal. */
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__sigchld_clock_t si_utime;
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__sigchld_clock_t si_stime;
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} _sigchld;
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/* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
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struct
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{
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void *si_addr; /* Faulting insn/memory ref. */
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} _sigfault;
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/* SIGPOLL. */
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struct
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{
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long int si_band; /* Band event for SIGPOLL. */
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int si_fd;
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} _sigpoll;
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} _sifields;
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} siginfo_t __SI_ALIGNMENT;
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/* X/Open requires some more fields with fixed names. */
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# define si_pid _sifields._kill.si_pid
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# define si_uid _sifields._kill.si_uid
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# define si_timerid _sifields._timer.si_tid
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# define si_overrun _sifields._timer.si_overrun
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# define si_status _sifields._sigchld.si_status
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# define si_utime _sifields._sigchld.si_utime
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# define si_stime _sifields._sigchld.si_stime
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# define si_value _sifields._rt.si_sigval
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# define si_int _sifields._rt.si_sigval.sival_int
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# define si_ptr _sifields._rt.si_sigval.sival_ptr
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# define si_addr _sifields._sigfault.si_addr
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# define si_band _sifields._sigpoll.si_band
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# define si_fd _sifields._sigpoll.si_fd
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/* Values for `si_code'. Positive values are reserved for kernel-generated
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signals. */
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enum
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{
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SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */
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# define SI_ASYNCNL SI_ASYNCNL
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SI_TKILL = -6, /* Sent by tkill. */
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# define SI_TKILL SI_TKILL
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SI_SIGIO, /* Sent by queued SIGIO. */
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# define SI_SIGIO SI_SIGIO
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SI_ASYNCIO, /* Sent by AIO completion. */
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# define SI_ASYNCIO SI_ASYNCIO
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SI_MESGQ, /* Sent by real time mesq state change. */
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# define SI_MESGQ SI_MESGQ
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SI_TIMER, /* Sent by timer expiration. */
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# define SI_TIMER SI_TIMER
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SI_QUEUE, /* Sent by sigqueue. */
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# define SI_QUEUE SI_QUEUE
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SI_USER, /* Sent by kill, sigsend. */
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# define SI_USER SI_USER
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SI_KERNEL = 0x80 /* Send by kernel. */
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#define SI_KERNEL SI_KERNEL
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};
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/* `si_code' values for SIGILL signal. */
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enum
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{
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ILL_ILLOPC = 1, /* Illegal opcode. */
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# define ILL_ILLOPC ILL_ILLOPC
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ILL_ILLOPN, /* Illegal operand. */
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# define ILL_ILLOPN ILL_ILLOPN
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ILL_ILLADR, /* Illegal addressing mode. */
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# define ILL_ILLADR ILL_ILLADR
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ILL_ILLTRP, /* Illegal trap. */
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# define ILL_ILLTRP ILL_ILLTRP
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ILL_PRVOPC, /* Privileged opcode. */
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# define ILL_PRVOPC ILL_PRVOPC
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ILL_PRVREG, /* Privileged register. */
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# define ILL_PRVREG ILL_PRVREG
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ILL_COPROC, /* Coprocessor error. */
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# define ILL_COPROC ILL_COPROC
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ILL_BADSTK /* Internal stack error. */
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# define ILL_BADSTK ILL_BADSTK
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};
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/* `si_code' values for SIGFPE signal. */
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enum
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{
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FPE_INTDIV = 1, /* Integer divide by zero. */
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# define FPE_INTDIV FPE_INTDIV
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FPE_INTOVF, /* Integer overflow. */
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# define FPE_INTOVF FPE_INTOVF
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FPE_FLTDIV, /* Floating point divide by zero. */
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# define FPE_FLTDIV FPE_FLTDIV
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FPE_FLTOVF, /* Floating point overflow. */
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# define FPE_FLTOVF FPE_FLTOVF
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FPE_FLTUND, /* Floating point underflow. */
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# define FPE_FLTUND FPE_FLTUND
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FPE_FLTRES, /* Floating point inexact result. */
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# define FPE_FLTRES FPE_FLTRES
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FPE_FLTINV, /* Floating point invalid operation. */
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# define FPE_FLTINV FPE_FLTINV
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FPE_FLTSUB /* Subscript out of range. */
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# define FPE_FLTSUB FPE_FLTSUB
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};
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/* `si_code' values for SIGSEGV signal. */
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enum
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{
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SEGV_MAPERR = 1, /* Address not mapped to object. */
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# define SEGV_MAPERR SEGV_MAPERR
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SEGV_ACCERR /* Invalid permissions for mapped object. */
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# define SEGV_ACCERR SEGV_ACCERR
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};
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/* `si_code' values for SIGBUS signal. */
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enum
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{
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BUS_ADRALN = 1, /* Invalid address alignment. */
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# define BUS_ADRALN BUS_ADRALN
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BUS_ADRERR, /* Non-existant physical address. */
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# define BUS_ADRERR BUS_ADRERR
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BUS_OBJERR /* Object specific hardware error. */
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# define BUS_OBJERR BUS_OBJERR
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};
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/* `si_code' values for SIGTRAP signal. */
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enum
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{
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TRAP_BRKPT = 1, /* Process breakpoint. */
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# define TRAP_BRKPT TRAP_BRKPT
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TRAP_TRACE /* Process trace trap. */
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# define TRAP_TRACE TRAP_TRACE
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};
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/* `si_code' values for SIGCHLD signal. */
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enum
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{
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CLD_EXITED = 1, /* Child has exited. */
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# define CLD_EXITED CLD_EXITED
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CLD_KILLED, /* Child was killed. */
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# define CLD_KILLED CLD_KILLED
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CLD_DUMPED, /* Child terminated abnormally. */
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# define CLD_DUMPED CLD_DUMPED
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CLD_TRAPPED, /* Traced child has trapped. */
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# define CLD_TRAPPED CLD_TRAPPED
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CLD_STOPPED, /* Child has stopped. */
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# define CLD_STOPPED CLD_STOPPED
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CLD_CONTINUED /* Stopped child has continued. */
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# define CLD_CONTINUED CLD_CONTINUED
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};
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/* `si_code' values for SIGPOLL signal. */
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enum
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{
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POLL_IN = 1, /* Data input available. */
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# define POLL_IN POLL_IN
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POLL_OUT, /* Output buffers available. */
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# define POLL_OUT POLL_OUT
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POLL_MSG, /* Input message available. */
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# define POLL_MSG POLL_MSG
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POLL_ERR, /* I/O error. */
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# define POLL_ERR POLL_ERR
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POLL_PRI, /* High priority input available. */
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# define POLL_PRI POLL_PRI
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POLL_HUP /* Device disconnected. */
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# define POLL_HUP POLL_HUP
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};
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# undef __need_siginfo_t
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#endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
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#if (defined _SIGNAL_H || defined __need_sigevent_t) \
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&& !defined __have_sigevent_t
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# define __have_sigevent_t 1
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/* Structure to transport application-defined values with signals. */
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# define __SIGEV_MAX_SIZE 64
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# if __WORDSIZE == 64
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# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
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# else
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# define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
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# endif
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/* Forward declaration. */
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# ifndef __have_pthread_attr_t
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typedef union pthread_attr_t pthread_attr_t;
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# define __have_pthread_attr_t 1
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# endif
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typedef struct sigevent
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{
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sigval_t sigev_value;
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int sigev_signo;
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int sigev_notify;
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union
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{
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int _pad[__SIGEV_PAD_SIZE];
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/* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
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thread to receive the signal. */
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__pid_t _tid;
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struct
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{
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void (*_function) (sigval_t); /* Function to start. */
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pthread_attr_t *_attribute; /* Thread attributes. */
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} _sigev_thread;
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} _sigev_un;
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} sigevent_t;
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/* POSIX names to access some of the members. */
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# define sigev_notify_function _sigev_un._sigev_thread._function
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# define sigev_notify_attributes _sigev_un._sigev_thread._attribute
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/* `sigev_notify' values. */
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enum
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{
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SIGEV_SIGNAL = 0, /* Notify via signal. */
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# define SIGEV_SIGNAL SIGEV_SIGNAL
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SIGEV_NONE, /* Other notification: meaningless. */
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# define SIGEV_NONE SIGEV_NONE
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SIGEV_THREAD, /* Deliver via thread creation. */
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# define SIGEV_THREAD SIGEV_THREAD
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SIGEV_THREAD_ID = 4 /* Send signal to specific thread. */
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#define SIGEV_THREAD_ID SIGEV_THREAD_ID
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};
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#endif /* have _SIGNAL_H. */
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