osfmk/kern/exception.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _KERN_EXCEPTION_H_
  27 #define _KERN_EXCEPTION_H_
  28
  29 #include <mach/mach_types.h>
  30 #include <mach/thread_status.h>
  31 #include <mach/exception_types.h>
  32 #include <kern/kern_types.h>
  33
  34 /*
  35  * Common storage for exception actions.
  36  * There are arrays of these maintained at the activation, task, and host.
  37  */
  38 struct exception_action {
  39         struct ipc_port         *port;          /* exception port */
  40         thread_state_flavor_t   flavor;         /* state flavor to send */
  41         exception_behavior_t    behavior;       /* exception type to raise */
  42 };
  43
  44 /* Make an up-call to a thread's exception server */
  45 extern void exception_triage(
  46         exception_type_t        exception,
  47         exception_data_t        code,
  48         mach_msg_type_number_t  codeCnt);
  49
  50 /* Notify system performance monitor */
  51 extern kern_return_t sys_perf_notify(struct task *task,
  52         exception_data_t        code,
  53         mach_msg_type_number_t  codeCnt);
  54
  55 #endif  /* _KERN_EXCEPTION_H_ */