xref: /xnu-11417.121.6/bsd/kern/ast.h (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions /*
2*a1e26a70SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*a1e26a70SApple OSS Distributions  *
4*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*a1e26a70SApple OSS Distributions  *
6*a1e26a70SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*a1e26a70SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*a1e26a70SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*a1e26a70SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*a1e26a70SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*a1e26a70SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*a1e26a70SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*a1e26a70SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*a1e26a70SApple OSS Distributions  *
15*a1e26a70SApple OSS Distributions  * Please obtain a copy of the License at
16*a1e26a70SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*a1e26a70SApple OSS Distributions  *
18*a1e26a70SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*a1e26a70SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*a1e26a70SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*a1e26a70SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*a1e26a70SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*a1e26a70SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*a1e26a70SApple OSS Distributions  * limitations under the License.
25*a1e26a70SApple OSS Distributions  *
26*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*a1e26a70SApple OSS Distributions  */
28*a1e26a70SApple OSS Distributions /* CMU_HIST */
29*a1e26a70SApple OSS Distributions 
30*a1e26a70SApple OSS Distributions /*
31*a1e26a70SApple OSS Distributions  *      kern/ast.h: Definitions for Asynchronous System Traps.
32*a1e26a70SApple OSS Distributions  */
33*a1e26a70SApple OSS Distributions 
34*a1e26a70SApple OSS Distributions #ifndef _KERN_AST_H_
35*a1e26a70SApple OSS Distributions #define _KERN_AST_H_
36*a1e26a70SApple OSS Distributions 
37*a1e26a70SApple OSS Distributions #include <kern/thread.h>
38*a1e26a70SApple OSS Distributions 
39*a1e26a70SApple OSS Distributions struct task;
40*a1e26a70SApple OSS Distributions 
41*a1e26a70SApple OSS Distributions extern void act_set_astbsd(thread_t);
42*a1e26a70SApple OSS Distributions extern void bsd_ast(thread_t);
43*a1e26a70SApple OSS Distributions 
44*a1e26a70SApple OSS Distributions #define AST_KEVENT_RETURN_TO_KERNEL  0x0001
45*a1e26a70SApple OSS Distributions #define AST_KEVENT_REDRIVE_THREADREQ 0x0002
46*a1e26a70SApple OSS Distributions #define AST_KEVENT_WORKQ_QUANTUM_EXPIRED 0x0004
47*a1e26a70SApple OSS Distributions 
48*a1e26a70SApple OSS Distributions extern void kevent_ast(thread_t thread, uint16_t bits);
49*a1e26a70SApple OSS Distributions extern void act_set_astkevent(thread_t thread, uint16_t bits);
50*a1e26a70SApple OSS Distributions extern uint16_t act_clear_astkevent(thread_t thread, uint16_t bits);
51*a1e26a70SApple OSS Distributions extern bool act_set_ast_reset_pcs(struct task *task, thread_t thread);
52*a1e26a70SApple OSS Distributions 
53*a1e26a70SApple OSS Distributions #if CONFIG_DTRACE
54*a1e26a70SApple OSS Distributions extern void ast_dtrace_on(void);
55*a1e26a70SApple OSS Distributions #endif
56*a1e26a70SApple OSS Distributions 
57*a1e26a70SApple OSS Distributions extern void act_set_astproc_resource(thread_t);
58*a1e26a70SApple OSS Distributions extern void proc_filedesc_ast(task_t task);
59*a1e26a70SApple OSS Distributions #endif  /* _KERN_AST_H_ */
60