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