mirror of
https://github.com/Wind4/vlmcsd.git
synced 2024-11-28 21:11:03 +08:00
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
|
/* Copyright (C) 1997-2016 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, see
|
||
|
|
<http://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
/* System V ABI compliant user-level context switching support. */
|
||
|
|
|
||
|
|
#ifndef _UCONTEXT_H
|
||
|
|
#define _UCONTEXT_H 1
|
||
|
|
|
||
|
|
#include <features.h>
|
||
|
|
|
||
|
|
/* Get machine dependent definition of data structures. */
|
||
|
|
#include <sys/ucontext.h>
|
||
|
|
|
||
|
|
__BEGIN_DECLS
|
||
|
|
|
||
|
|
/* Get user context and store it in variable pointed to by UCP. */
|
||
|
|
extern int getcontext (ucontext_t *__ucp) __THROWNL;
|
||
|
|
|
||
|
|
/* Set user context from information of variable pointed to by UCP. */
|
||
|
|
extern int setcontext (const ucontext_t *__ucp) __THROWNL;
|
||
|
|
|
||
|
|
/* Save current context in context variable pointed to by OUCP and set
|
||
|
|
context from variable pointed to by UCP. */
|
||
|
|
extern int swapcontext (ucontext_t *__restrict __oucp,
|
||
|
|
const ucontext_t *__restrict __ucp) __THROWNL;
|
||
|
|
|
||
|
|
/* Manipulate user context UCP to continue with calling functions FUNC
|
||
|
|
and the ARGC-1 parameters following ARGC when the context is used
|
||
|
|
the next time in `setcontext' or `swapcontext'.
|
||
|
|
|
||
|
|
We cannot say anything about the parameters FUNC takes; `void'
|
||
|
|
is as good as any other choice. */
|
||
|
|
extern void makecontext (ucontext_t *__ucp, void (*__func) (void),
|
||
|
|
int __argc, ...) __THROW;
|
||
|
|
|
||
|
|
__END_DECLS
|
||
|
|
|
||
|
|
#endif /* ucontext.h */
|