osfmk/kern/exception.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31
  32 #ifndef _KERN_EXCEPTION_H_
  33 #define _KERN_EXCEPTION_H_
  34
  35 #include <mach/mach_types.h>
  36 #include <mach/thread_status.h>
  37 #include <mach/exception_types.h>
  38 #include <kern/kern_types.h>
  39
  40 /*
  41  * Common storage for exception actions.
  42  * There are arrays of these maintained at the activation, task, and host.
  43  */
  44 struct exception_action {
  45         struct ipc_port         *port;          /* exception port */
  46         thread_state_flavor_t   flavor;         /* state flavor to send */
  47         exception_behavior_t    behavior;       /* exception type to raise */
  48         boolean_t               privileged;     /* survives ipc_task_reset */
  49 };
  50
  51 /* Make an up-call to a thread's exception server */
  52 extern void exception_triage(
  53         exception_type_t        exception,
  54         exception_data_t        code,
  55         mach_msg_type_number_t  codeCnt);
  56
  57 /* Notify system performance monitor */
  58 extern kern_return_t sys_perf_notify(struct task *task,
  59         exception_data_t        code,
  60         mach_msg_type_number_t  codeCnt);
  61
  62 #endif  /* _KERN_EXCEPTION_H_ */