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[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [ucontext.h] - Blame information for rev 1765

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1 1325 phoenix
/* Copyright (C) 1997, 1998, 1999, 2000 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, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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/* System V ABI compliant user-level context switching support.  */
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#ifndef _UCONTEXT_H
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#define _UCONTEXT_H     1
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#include <features.h>
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/* Get machine dependent definition of data structures.  */
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#include <sys/ucontext.h>
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__BEGIN_DECLS
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/* Get user context and store it in variable pointed to by UCP.  */
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extern int getcontext (ucontext_t *__ucp) __THROW;
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/* Set user context from information of variable pointed to by UCP.  */
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extern int setcontext (__const ucontext_t *__ucp) __THROW;
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/* Save current context in context variable pointed to by OUCP and set
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   context from variable pointed to by UCP.  */
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extern int swapcontext (ucontext_t *__restrict __oucp,
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                        __const ucontext_t *__restrict __ucp) __THROW;
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/* Manipulate user context UCP to continue with calling functions FUNC
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   and the ARGC-1 parameters following ARGC when the context is used
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   the next time in `setcontext' or `swapcontext'.
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   We cannot say anything about the parameters FUNC takes; `void'
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   is as good as any other choice.  */
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extern void makecontext (ucontext_t *__ucp, void (*__func) (void),
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                         int __argc, ...) __THROW;
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__END_DECLS
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#endif /* ucontext.h */

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