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-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/sigaction.h3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/siginfo.h293
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigaction.h3
-rw-r--r--sysdeps/unix/sysv/linux/bits/siginfo.h2
-rw-r--r--sysdeps/unix/sysv/linux/mips/bits/sigaction.h1
-rw-r--r--sysdeps/unix/sysv/linux/sigstack.c4
-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/sigaction.h3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h293
8 files changed, 596 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h b/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
index be04235981..605c4f3fa3 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/Alpha sigaction.
-   Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999, 2000 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
@@ -49,6 +49,7 @@ struct sigaction
 
 /* Bits in `sa_flags'.  */
 #define	SA_NOCLDSTOP  0x00000004 /* Don't send SIGCHLD when children stop.  */
+#define SA_NOCLDWAIT  0x00000020 /* Don't create zombie on child death.  */
 #define SA_SIGINFO    0x00000040 /* Invoke signal-catching function with
 				    three arguments instead of one.  */
 #if defined __USE_UNIX98 || defined __USE_MISC
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h b/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h
new file mode 100644
index 0000000000..9426c13ee7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h
@@ -0,0 +1,293 @@
+/* siginfo_t, sigevent and constants.  Linux/SPARC version.
+   Copyright (C) 1997, 1998, 1999, 2000 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
+
+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.  */
+	    void *_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.  */
diff --git a/sysdeps/unix/sysv/linux/bits/sigaction.h b/sysdeps/unix/sysv/linux/bits/sigaction.h
index d4ba74dfa8..fcf0a86179 100644
--- a/sysdeps/unix/sysv/linux/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux's sigaction.
-   Copyright (C) 1993, 94, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
+   Copyright (C) 1993-1999, 2000 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
@@ -52,6 +52,7 @@ struct sigaction
 
 /* Bits in `sa_flags'.  */
 #define	SA_NOCLDSTOP  1		 /* Don't send SIGCHLD when children stop.  */
+#define SA_NOCLDWAIT  2		 /* Don't create zombie on child death.  */
 #define SA_SIGINFO    4		 /* Invoke signal-catching function with
 				    three arguments instead of one.  */
 #if defined __USE_UNIX98 || defined __USE_MISC
diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h
index 9426c13ee7..fca2612c48 100644
--- a/sysdeps/unix/sysv/linux/bits/siginfo.h
+++ b/sysdeps/unix/sysv/linux/bits/siginfo.h
@@ -93,7 +93,7 @@ typedef struct siginfo
 	/* SIGPOLL.  */
 	struct
 	  {
-	    int si_band;	/* Band event for SIGPOLL.  */
+	    long int si_band;	/* Band event for SIGPOLL.  */
 	    int si_fd;
 	  } _sigpoll;
       } _sifields;
diff --git a/sysdeps/unix/sysv/linux/mips/bits/sigaction.h b/sysdeps/unix/sysv/linux/mips/bits/sigaction.h
index 04179d2982..0225078652 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/sigaction.h
@@ -58,6 +58,7 @@ struct sigaction
 /* Please note that some Linux kernels versions use different values for these
    flags which is a bug in those kernel versions.  */
 #define SA_NOCLDSTOP  0x00000001 /* Don't send SIGCHLD when children stop.  */
+#define SA_NOCLDWAIT  0x00010000 /* Don't create zombie on child death.  */
 #define SA_SIGINFO    0x00000008 /* Invoke signal-catching function with
 				    three arguments instead of one.  */
 #if defined __USE_UNIX98 || defined __USE_MISC
diff --git a/sysdeps/unix/sysv/linux/sigstack.c b/sysdeps/unix/sysv/linux/sigstack.c
index ab66360c93..c08aab3151 100644
--- a/sysdeps/unix/sysv/linux/sigstack.c
+++ b/sysdeps/unix/sysv/linux/sigstack.c
@@ -1,5 +1,5 @@
 /* Emulate sigstack function using sigaltstack.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -26,7 +26,7 @@
 #ifdef __NR_sigaltstack
 int
 sigstack (ss, oss)
-     const struct sigstack *ss;
+     struct sigstack *ss;
      struct sigstack *oss;
 {
   stack_t sas;
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h
index d00990569f..c8036b8406 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/sigaction.h
@@ -1,5 +1,5 @@
 /* The proper definitions for Linux/SPARC sigaction.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2000 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
@@ -53,6 +53,7 @@ struct sigaction
 
 /* Bits in `sa_flags'.  */
 #define	SA_NOCLDSTOP 0x00000008  /* Don't send SIGCHLD when children stop.  */
+#define SA_NOCLDWAIT 0x00000100  /* Don't create zombie on child death.  */
 #define SA_SIGINFO   0x00000200  /* Invoke signal-catching function with
 				    three arguments instead of one.  */
 #ifdef __USE_MISC
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h
new file mode 100644
index 0000000000..9426c13ee7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h
@@ -0,0 +1,293 @@
+/* siginfo_t, sigevent and constants.  Linux/SPARC version.
+   Copyright (C) 1997, 1998, 1999, 2000 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
+
+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.  */
+	    void *_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.  */