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/* Declaration of ucontext_t.
Copyright (C) 2008 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#ifndef __stack_t_defined
# define __need_stack_t
# include <bits/sigstack.h>
#endif
#include <bits/sigset.h>
#include <bits/regset.h>
#include <features.h>
typedef struct ucontext
{
unsigned long uc_flags;
struct ucontext *uc_link;
__sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
long uc_filler[5];
} ucontext_t;
/* uc_flags */
#define UC_SIGMASK 0x01
#define UC_STACK 0x02
#define UC_CPU 0x04
#define UC_MAU 0x08
#define UC_FPU UC_MAU
#define UC_MCONTEXT (UC_CPU | UC_FPU)
#define UC_ALL (UC_SIGMASK | UC_STACK | UC_MCONTEXT)
#define GETCONTEXT 0
#define SETCONTEXT 1
#define GETUSTACK 2
#define SETUSTACK 3
__BEGIN_DECLS
int getustack (stack_t **);
int setustack (stack_t *);
int stack_getbounds (stack_t *);
__END_DECLS
#endif /* _SYS_UCONTEXT_H */
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