X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..3903760236c30e3b5ace7a4eefac3a269d68957c:/bsd/sys/ucontext.h

diff --git a/bsd/sys/ucontext.h b/bsd/sys/ucontext.h
index 993d22487..8240c35bd 100644
--- a/bsd/sys/ucontext.h
+++ b/bsd/sys/ucontext.h
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,35 +23,43 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _SYS_UCONTEXT_H_
 #define _SYS_UCONTEXT_H_
 
-#include <machine/ucontext.h>
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+#include <machine/_mcontext.h>
+#include <sys/_types/_sigaltstack.h>
+#include <sys/_types/_ucontext.h>
 
-struct ucontext {
-	int		uc_onstack;
-	sigset_t	uc_sigmask;	/* signal mask used by this context */
-	stack_t 	uc_stack;	/* stack used by this context */
-	struct ucontext	*uc_link;	/* pointer to resuming context */
-	size_t		uc_mcsize;	/* size of the machine context passed in */
-	mcontext_t	uc_mcontext;	/* machine specific context */
-};
+#include <sys/_types/_sigset_t.h>
 
+#ifdef KERNEL
+#include <machine/types.h>	/* user_addr_t, user_size_t */
 
-typedef struct ucontext ucontext_t;
+/* kernel representation of struct ucontext64 for 64 bit processes */
+typedef struct user_ucontext64 {
+	int				uc_onstack;
+	sigset_t			uc_sigmask;	/* signal mask */
+	struct user64_sigaltstack 	uc_stack;	/* stack */
+	user_addr_t			uc_link;	/* ucontext pointer */
+	user_size_t			uc_mcsize;	/* mcontext size */
+	user_addr_t			uc_mcontext64;	/* machine context */
+} user_ucontext64_t;
 
-struct ucontext64 {
-	int		uc_onstack;
-	sigset_t	uc_sigmask;	/* signal mask used by this context */
-	stack_t 	uc_stack;	/* stack used by this context */
-	struct ucontext	*uc_link;	/* pointer to resuming context */
-	size_t		uc_mcsize;	/* size of the machine context passed in */
-	mcontext64_t	uc_mcontext64;	/* machine specific context */
-};
+typedef struct user_ucontext32 {
+	int				uc_onstack;
+	sigset_t			uc_sigmask;	/* signal mask */
+	struct user32_sigaltstack 	uc_stack;	/* stack */
+	user32_addr_t			uc_link;	/* ucontext pointer */
+	user32_size_t			uc_mcsize;	/* mcontext size */
+	user32_addr_t			uc_mcontext;	/* machine context */
+} user_ucontext32_t;
 
-typedef struct ucontext64 ucontext64_t;
+#endif	/* KERNEL */
 
 #endif /* _SYS_UCONTEXT_H_ */