xref: /xnu-8020.140.41/bsd/kern/ast.h (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions /* CMU_HIST */
29*27b03b36SApple OSS Distributions 
30*27b03b36SApple OSS Distributions /*
31*27b03b36SApple OSS Distributions  *      kern/ast.h: Definitions for Asynchronous System Traps.
32*27b03b36SApple OSS Distributions  */
33*27b03b36SApple OSS Distributions 
34*27b03b36SApple OSS Distributions #ifndef _KERN_AST_H_
35*27b03b36SApple OSS Distributions #define _KERN_AST_H_
36*27b03b36SApple OSS Distributions 
37*27b03b36SApple OSS Distributions #include <kern/thread.h>
38*27b03b36SApple OSS Distributions 
39*27b03b36SApple OSS Distributions struct task;
40*27b03b36SApple OSS Distributions 
41*27b03b36SApple OSS Distributions extern void act_set_astbsd(thread_t);
42*27b03b36SApple OSS Distributions extern void bsd_ast(thread_t);
43*27b03b36SApple OSS Distributions 
44*27b03b36SApple OSS Distributions #define AST_KEVENT_RETURN_TO_KERNEL  0x0001
45*27b03b36SApple OSS Distributions #define AST_KEVENT_REDRIVE_THREADREQ 0x0002
46*27b03b36SApple OSS Distributions #define AST_KEVENT_WORKQ_QUANTUM_EXPIRED 0x0004
47*27b03b36SApple OSS Distributions 
48*27b03b36SApple OSS Distributions extern void kevent_ast(thread_t thread, uint16_t bits);
49*27b03b36SApple OSS Distributions extern void act_set_astkevent(thread_t thread, uint16_t bits);
50*27b03b36SApple OSS Distributions extern uint16_t act_clear_astkevent(thread_t thread, uint16_t bits);
51*27b03b36SApple OSS Distributions extern bool act_set_ast_reset_pcs(struct task *task, thread_t thread);
52*27b03b36SApple OSS Distributions 
53*27b03b36SApple OSS Distributions #if CONFIG_DTRACE
54*27b03b36SApple OSS Distributions extern void ast_dtrace_on(void);
55*27b03b36SApple OSS Distributions #endif
56*27b03b36SApple OSS Distributions 
57*27b03b36SApple OSS Distributions extern void act_set_astproc_resource(thread_t);
58*27b03b36SApple OSS Distributions extern void proc_filedesc_ast(task_t task);
59*27b03b36SApple OSS Distributions #endif  /* _KERN_AST_H_ */
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