xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* 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 | |
| 32 | typedef struct sigcontext mcontext_t; |
| 33 | |
| 34 | /* Userlevel context. */ |
| 35 | typedef 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 */ |