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/* Data structures for user-level context switching. Generic version.
Copyright (C) 1997-1999, 2001-2002 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. */
/* This file's definitions suffice for any platform where all
the machine-specific state is described in `struct sigcontext'. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <signal.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
/* This include file defines the type 'mcontext_t'. */
#include <bits/mcontext.h>
/* Userlevel context. */
typedef struct ucontext
{
__sigset_t uc_sigmask;
mcontext_t uc_mcontext;
struct ucontext *uc_link;
stack_t uc_stack;
int uc_flags;
#define UCF_SWAPPED 0x00000001 /* Used by swapcontext(3). */
int __unused1[4];
} ucontext_t;
#endif /* sys/ucontext.h */
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