xnu-1504.9.26.tar.gz

[apple/xnu.git] / bsd / sys / ucontext.h

diff --git a/bsd/sys/ucontext.h b/bsd/sys/ucontext.h
index f231226a23cf8faeb24d2386ba7df3df3c5e340d..b31d50ed3d0738ce60180160d2a6839a950b44e5 100644 (file)
--- a/bsd/sys/ucontext.h
+++ b/bsd/sys/ucontext.h
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2002-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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_
@@ -25,56 +31,45 @@
 
 #include <sys/cdefs.h>
 #include <sys/_types.h>
-#include <machine/ucontext.h>
+
+#define __need_mcontext_t
+#define __need_stack_t
+#define __need_ucontext_t
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#if defined(__ppc__) || defined(__ppc64__)
+#define __need_mcontext64_t
+#define __need_ucontext64_t
+#endif /* __ppc__|| __ppc64__  */ 
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
+#include <sys/_structs.h>
 
 #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 */
-
 #ifdef KERNEL
 #include <machine/types.h>     /* user_addr_t, user_size_t */
 
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=natural
-#endif
-
 /* kernel representation of struct ucontext64 for 64 bit processes */
-struct user_ucontext64 {
+typedef struct user_ucontext64 {
        int                             uc_onstack;
        sigset_t                        uc_sigmask;     /* signal mask */
-       struct user_sigaltstack         uc_stack;       /* stack */
+       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;
 
-#if __DARWIN_ALIGN_NATURAL
-#pragma options align=reset
-#endif
+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 user_ucontext64 user_ucontext64_t;
 #endif /* KERNEL */
 
 #endif /* _SYS_UCONTEXT_H_ */