1 /* Copyright (C) 1998, 1999, 2001, 2006 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 19 #ifndef _SYS_UCONTEXT_H 20 #define _SYS_UCONTEXT_H 1 21 22 #include <features.h> 23 #include <signal.h> 24 #include <sys/procfs.h> 25 26 /* We need the signal context definitions even if they are not used 27 * included in <signal.h>. */ 28 #include <bits/sigcontext.h> 29 30 31 /* Context to describe whole processor state. This only describes 32 the core registers; coprocessor registers get saved elsewhere 33 (e.g. in uc_regspace, or somewhere unspecified on the stack 34 during non-RT signal handlers). */ 35 typedef struct sigcontext mcontext_t; 36 37 38 /* Userlevel context. */ 39 typedef struct ucontext 40 { 41 unsigned long int uc_flags; 42 struct ucontext *uc_link; 43 stack_t uc_stack; 44 mcontext_t uc_mcontext; 45 __sigset_t uc_sigmask; 46 } ucontext_t; 47 #endif /* sys/ucontext.h */ 48