blob: f08cec04cc9559081391be94aca9faefa4232989 [file] [log] [blame]
xf.libfc6e712025-02-07 01:54:34 -08001/* Data structures for user-level context switching. Generic version.
2 Copyright (C) 1997-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19/* This file's definitions suffice for any platform where all
20 the machine-specific state is described in `struct sigcontext'. */
21
22#ifndef _SYS_UCONTEXT_H
23#define _SYS_UCONTEXT_H 1
24
25#include <features.h>
26#include <signal.h>
27
28/* We need the signal context definitions even if they are not used
29 included in <signal.h>. */
30#include <bits/sigcontext.h>
31
32typedef struct sigcontext mcontext_t;
33
34/* Userlevel context. */
35typedef struct ucontext
36 {
37 unsigned long int uc_flags;
38 struct ucontext *uc_link;
39 stack_t uc_stack;
40 mcontext_t uc_mcontext;
41 __sigset_t uc_sigmask;
42 } ucontext_t;
43
44#endif /* sys/ucontext.h */