xnu-1699.22.81.tar.gz

[apple/xnu.git] / bsd / i386 / ucontext.h

diff --git a/bsd/i386/ucontext.h b/bsd/i386/ucontext.h
index 0256c0f53e16b4a01be4f19028c94541e5b41e0c..acae1f055b7b5b173896cafeec4826765ffa422b 100644 (file)
--- a/bsd/i386/ucontext.h
+++ b/bsd/i386/ucontext.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2002 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 _I386_UCONTEXT_H_
@@ -26,20 +32,32 @@
 
 #include <sys/appleapiopts.h>
 #include <mach/thread_status.h>
-#include <signal.h>
-
 
-#ifdef __APPLE_API_UNSTABLE
-/* WARNING: THIS WILL CHANGE;  DO NOT COUNT ON THIS */
-/* Needs to be finalized as to what it should contain */
-struct mcontext {
-       struct sigcontext sc;
+#if !__DARWIN_UNIX03
+struct mcontext
+#else /* __DARWIN_UNIX03 */
+struct __darwin_mcontext
+#endif /* __DARWIN_UNIX03 */
+{
+       i386_exception_state_t  es;
+       i386_thread_state_t     ss;     
+       i386_float_state_t      fs;
 };
 
-#define I386_MCONTEXT_SIZE     sizeof(struct mcontext) 
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define I386_MCONTEXT_SIZE     (i386_THREAD_STATE_COUNT + i386_FLOAT_STATE_COUNT + I386_EXCEPTION_STATE_COUNT) * sizeof(int)
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
+
+#ifndef _MCONTEXT_T
+#define _MCONTEXT_T
+#if defined(__LP64__)
+typedef __darwin_mcontext64_t  mcontext_t;
+#else
+typedef __darwin_mcontext32_t  mcontext_t;
+#endif
+#endif
 
-typedef struct mcontext * mcontext_t;
+//#endif
 
-#endif /* __APPLE_API_UNSTABLE */
 
 #endif /* _I386_UCONTEXT_H_ */