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glibc  2.9
ucontext.h
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00001 /* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _SYS_UCONTEXT_H
00020 #define _SYS_UCONTEXT_H     1
00021 
00022 #include <features.h>
00023 #include <signal.h>
00024 
00025 #include <bits/sigcontext.h>
00026 
00027 
00028 /* Type for general register.  */
00029 typedef long int greg_t;
00030 
00031 /* Number of general registers.  */
00032 #define NGREG 20
00033 
00034 /* Container for all general registers.  */
00035 typedef greg_t gregset_t[NGREG];
00036 
00037 /* A placeholder type for floating-point register.  */
00038 typedef long int fpreg_t;
00039 
00040 /* A placeholder; CRIS does not have any fp regs.  */
00041 typedef unsigned long fpregset_t;
00042 
00043 /* A machine context is exactly a sigcontext.  */
00044 typedef struct sigcontext mcontext_t;
00045 
00046 /* Userlevel context.  */
00047 typedef struct ucontext
00048   {
00049     unsigned long int uc_flags;
00050     struct ucontext *uc_link;
00051     stack_t uc_stack;
00052     mcontext_t uc_mcontext;
00053     __sigset_t uc_sigmask;
00054   } ucontext_t;
00055 
00056 #endif /* sys/ucontext.h */