bsd/kern/ast.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* CMU_HIST */
  23
  24 /*
  25  *      kern/ast.h: Definitions for Asynchronous System Traps.
  26  */
  27
  28 #ifndef _KERN_AST_H_
  29 #define _KERN_AST_H_
  30
  31 #include <kern/thread_act.h>
  32
  33 #ifdef BSD_USE_APC
  34
  35 extern thread_apc_handler_t bsd_ast;
  36
  37 #else /* !BSD_USE_APC */
  38
  39 #define AST_NONE        0
  40 #define AST_BSD         0x80
  41 #define AST_BSD_INIT    0x100
  42
  43 extern void ast_on(int);
  44 extern thread_ast_set(thread_act_t, int);
  45 extern void bsd_ast(thread_act_t);
  46
  47 #endif /* !BSD_USE_APC */
  48
  49 #endif  /* _KERN_AST_H_ */