thread_switch.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        thread_switch.h,v $
   29  * Revision 2.5  93/01/14  17:48:14  danner
   30  *      Standardized include symbol usage.
   31  *      [92/06/10            pds]
   32  * 
   33  * Revision 2.4  91/05/14  17:01:33  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.3  91/02/05  17:36:45  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/02/01  17:22:02  mrt]
   39  * 
   40  * Revision 2.2  90/06/02  15:00:19  rpd
   41  *      Created for new host/processor technology.
   42  *      [90/03/26  23:51:49  rpd]
   43  * 
   44  *      Merge to X96
   45  *      [89/08/02  23:12:52  dlb]
   46  * 
   47  *      Created.
   48  *      [89/07/25  19:05:41  dlb]
   49  * 
   50  * Revision 2.3  89/10/15  02:06:04  rpd
   51  *      Minor cleanups.
   52  * 
   53  * Revision 2.2  89/10/11  14:41:47  dlb
   54  *      Merge.
   55  *      [89/09/01  17:57:58  dlb]
   56  * 
   57  */
   58 
   59 #ifndef _MACH_THREAD_SWITCH_H_
   60 #define _MACH_THREAD_SWITCH_H_
   61 
   62 /*
   63  *      Constant definitions for thread_switch trap.
   64  */
   65 
   66 #define SWITCH_OPTION_NONE      0
   67 #define SWITCH_OPTION_DEPRESS   1
   68 #define SWITCH_OPTION_WAIT      2
   69 
   70 #define valid_switch_option(opt)        ((0 <= (opt)) && ((opt) <= 2))
   71 
   72 #endif  /* _MACH_THREAD_SWITCH_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/mach/thread_switch.h

FreeBSD/Linux Kernel Cross Reference
sys/mach/thread_switch.h