osfmk/kern/exception.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26
  27 #ifndef _KERN_EXCEPTION_H_
  28 #define _KERN_EXCEPTION_H_
  29
  30 #include <mach/mach_types.h>
  31 #include <mach/thread_status.h>
  32 #include <mach/exception_types.h>
  33 #include <kern/kern_types.h>
  34
  35 /*
  36  * Common storage for exception actions.
  37  * There are arrays of these maintained at the activation, task, and host.
  38  */
  39 struct exception_action {
  40         struct ipc_port         *port;          /* exception port */
  41         thread_state_flavor_t   flavor;         /* state flavor to send */
  42         exception_behavior_t    behavior;       /* exception type to raise */
  43 };
  44
  45 /* Make an up-call to a thread's exception server */
  46 extern void exception_triage(
  47         exception_type_t        exception,
  48         exception_data_t        code,
  49         mach_msg_type_number_t  codeCnt);
  50
  51 /* Notify system performance monitor */
  52 extern kern_return_t sys_perf_notify(struct task *task,
  53         exception_data_t        code,
  54         mach_msg_type_number_t  codeCnt);
  55
  56 #endif  /* _KERN_EXCEPTION_H_ */