diff options
Diffstat (limited to 'sysdeps/generic/sys')
| -rw-r--r-- | sysdeps/generic/sys/ucontext.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/sysdeps/generic/sys/ucontext.h b/sysdeps/generic/sys/ucontext.h index e3c4acef1f..d643dfbfc7 100644 --- a/sysdeps/generic/sys/ucontext.h +++ b/sysdeps/generic/sys/ucontext.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Data structures for user-level context switching. Generic version. + Copyright (C) 1997,98,99,2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,9 +17,29 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +/* This file's definitions suffice for any platform where all + the machine-specific state is described in `struct sigcontext'. */ + #ifndef _SYS_UCONTEXT_H #define _SYS_UCONTEXT_H 1 -#error "No system dependent context structure definitions" +#include <features.h> +#include <signal.h> + +/* We need the signal context definitions even if they are not used + included in <signal.h>. */ +#include <bits/sigcontext.h> + +typedef struct sigcontext mcontext_t; + +/* Userlevel context. */ +typedef struct ucontext + { + unsigned long int uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + __sigset_t uc_sigmask; + } ucontext_t; #endif /* sys/ucontext.h */ |