X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1:/bsd/sys/ucontext.h

diff --git a/bsd/sys/ucontext.h b/bsd/sys/ucontext.h
index dd97a8cef..edb6499db 100644
--- a/bsd/sys/ucontext.h
+++ b/bsd/sys/ucontext.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2002-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -23,29 +23,50 @@
 #ifndef _SYS_UCONTEXT_H_
 #define _SYS_UCONTEXT_H_
 
+#include <sys/cdefs.h>
+#include <sys/_types.h>
 #include <machine/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 */
-};
+#ifndef _SIGSET_T
+#define _SIGSET_T
+typedef __darwin_sigset_t	sigset_t;
+#endif
+
+#ifndef _STACK_T
+#define _STACK_T
+typedef __darwin_stack_t	stack_t;
+#endif
+
+#ifndef _UCONTEXT_T
+#define _UCONTEXT_T
+#ifndef _POSIX_C_SOURCE
+typedef struct ucontext 	ucontext_t;
+#else /* _POSIX_C_SOURCE */
+typedef struct __darwin_ucontext ucontext_t;
+#endif /* _POSIX_C_SOURCE */
+#endif
 
+#ifndef _POSIX_C_SOURCE
+#ifndef _UCONTEXT64_T
+#define _UCONTEXT64_T
+typedef struct ucontext64	ucontext64_t;
+#endif
+#endif /* _POSIX_C_SOURCE */
 
-typedef struct ucontext ucontext_t;
+#ifdef KERNEL
+#include <machine/types.h>	/* user_addr_t, user_size_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 */
+/* kernel representation of struct ucontext64 for 64 bit processes */
+struct user_ucontext64 {
+	int				uc_onstack;
+	sigset_t			uc_sigmask;	/* signal mask */
+	struct user_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 */
 };
 
-typedef struct ucontext64 ucontext64_t;
+typedef struct user_ucontext64 user_ucontext64_t;
+#endif	/* KERNEL */
 
 #endif /* _SYS_UCONTEXT_H_ */