libc/sysdeps/linux/nds32/sys/ucontext.h

   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 */