xref: /xnu-10002.1.13/bsd/kern/ast.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1*1031c584SApple OSS Distributions /*
2*1031c584SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*1031c584SApple OSS Distributions  *
4*1031c584SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*1031c584SApple OSS Distributions  *
6*1031c584SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*1031c584SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*1031c584SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*1031c584SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*1031c584SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*1031c584SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*1031c584SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*1031c584SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*1031c584SApple OSS Distributions  *
15*1031c584SApple OSS Distributions  * Please obtain a copy of the License at
16*1031c584SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*1031c584SApple OSS Distributions  *
18*1031c584SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*1031c584SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*1031c584SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*1031c584SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*1031c584SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*1031c584SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*1031c584SApple OSS Distributions  * limitations under the License.
25*1031c584SApple OSS Distributions  *
26*1031c584SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*1031c584SApple OSS Distributions  */
28*1031c584SApple OSS Distributions /* CMU_HIST */
29*1031c584SApple OSS Distributions 
30*1031c584SApple OSS Distributions /*
31*1031c584SApple OSS Distributions  *      kern/ast.h: Definitions for Asynchronous System Traps.
32*1031c584SApple OSS Distributions  */
33*1031c584SApple OSS Distributions 
34*1031c584SApple OSS Distributions #ifndef _KERN_AST_H_
35*1031c584SApple OSS Distributions #define _KERN_AST_H_
36*1031c584SApple OSS Distributions 
37*1031c584SApple OSS Distributions #include <kern/thread.h>
38*1031c584SApple OSS Distributions 
39*1031c584SApple OSS Distributions struct task;
40*1031c584SApple OSS Distributions 
41*1031c584SApple OSS Distributions extern void act_set_astbsd(thread_t);
42*1031c584SApple OSS Distributions extern void bsd_ast(thread_t);
43*1031c584SApple OSS Distributions 
44*1031c584SApple OSS Distributions #define AST_KEVENT_RETURN_TO_KERNEL  0x0001
45*1031c584SApple OSS Distributions #define AST_KEVENT_REDRIVE_THREADREQ 0x0002
46*1031c584SApple OSS Distributions #define AST_KEVENT_WORKQ_QUANTUM_EXPIRED 0x0004
47*1031c584SApple OSS Distributions 
48*1031c584SApple OSS Distributions extern void kevent_ast(thread_t thread, uint16_t bits);
49*1031c584SApple OSS Distributions extern void act_set_astkevent(thread_t thread, uint16_t bits);
50*1031c584SApple OSS Distributions extern uint16_t act_clear_astkevent(thread_t thread, uint16_t bits);
51*1031c584SApple OSS Distributions extern bool act_set_ast_reset_pcs(struct task *task, thread_t thread);
52*1031c584SApple OSS Distributions 
53*1031c584SApple OSS Distributions #if CONFIG_DTRACE
54*1031c584SApple OSS Distributions extern void ast_dtrace_on(void);
55*1031c584SApple OSS Distributions #endif
56*1031c584SApple OSS Distributions 
57*1031c584SApple OSS Distributions extern void act_set_astproc_resource(thread_t);
58*1031c584SApple OSS Distributions extern void proc_filedesc_ast(task_t task);
59*1031c584SApple OSS Distributions #endif  /* _KERN_AST_H_ */
60