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1 /* Data structures for user-level context switching. Generic version.
2 Copyright (C) 1997-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 /* This file's definitions suffice for any platform where all
20 the machine-specific state is described in `struct sigcontext', but
21 use of struct sigcontext does not conform to POSIX namespace
24 #ifndef _SYS_UCONTEXT_H
25 #define _SYS_UCONTEXT_H 1
29 #include <bits/types/sigset_t.h>
30 #include <bits/sigcontext.h>
31 #include <bits/types/stack_t.h>
34 typedef struct sigcontext mcontext_t
;
37 # define __ctx(fld) fld
39 # define __ctx(fld) __ ## fld
42 /* Userlevel context. */
43 typedef struct ucontext_t
45 unsigned long int __ctx(uc_flags
);
46 struct ucontext_t
*uc_link
;
48 mcontext_t uc_mcontext
;
54 #endif /* sys/ucontext.h */