1 | /* |
2 | * Copyright (c) 2000 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 | /* CMU_HIST */ |
29 | |
30 | /* |
31 | * kern/ast.h: Definitions for Asynchronous System Traps. |
32 | */ |
33 | |
34 | #ifndef _KERN_AST_H_ |
35 | #define _KERN_AST_H_ |
36 | |
37 | #include <kern/thread.h> |
38 | |
39 | struct task; |
40 | |
41 | extern void act_set_astbsd(thread_t); |
42 | extern void bsd_ast(thread_t); |
43 | |
44 | #define AST_KEVENT_RETURN_TO_KERNEL 0x0001 |
45 | #define AST_KEVENT_REDRIVE_THREADREQ 0x0002 |
46 | #define AST_KEVENT_WORKQ_QUANTUM_EXPIRED 0x0004 |
47 | |
48 | extern void kevent_ast(thread_t thread, uint16_t bits); |
49 | extern void act_set_astkevent(thread_t thread, uint16_t bits); |
50 | extern uint16_t act_clear_astkevent(thread_t thread, uint16_t bits); |
51 | extern bool act_set_ast_reset_pcs(struct task *task, thread_t thread); |
52 | |
53 | #if CONFIG_DTRACE |
54 | extern void ast_dtrace_on(void); |
55 | #endif |
56 | |
57 | extern void act_set_astproc_resource(thread_t); |
58 | extern void proc_filedesc_ast(task_t task); |
59 | #endif /* _KERN_AST_H_ */ |
60 | |