osfmk/kern/exception.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #ifndef _EXCEPTION_H_
  30 #define _EXCEPTION_H_
  31
  32 #include <mach/mach_types.h>
  33 #include <mach/thread_status.h>
  34 #include <mach/exception_types.h>
  35 #include <kern/kern_types.h>
  36
  37 /*
  38  * Common storage for exception actions.
  39  * There are arrays of these maintained at the activation, task, and host.
  40  */
  41 struct exception_action {
  42         struct ipc_port         *port;          /* exception port */
  43         thread_state_flavor_t   flavor;         /* state flavor to send */
  44         exception_behavior_t    behavior;       /* exception type to raise */
  45 };
  46
  47 /* Make an up-call to a thread's exception server */
  48 extern void exception(
  49         exception_type_t        exception,
  50         exception_data_t        code,
  51         mach_msg_type_number_t  codeCnt);
  52
  53 #endif  /* _EXCEPTION_H_ */