stack.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993 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:        stack.h,v $
   29  * Revision 2.2  93/11/17  19:06:19  dbg
   30  *      Moved prototypes here from kern/sched_prim.h.
   31  *      [93/10/21            dbg]
   32  * 
   33  */
   34 
   35 /*
   36  *      Kernel stack manipulation routines.
   37  */
   38 
   39 #ifndef _KERN_STACK_H_
   40 #define _KERN_STACK_H_
   41 
   42 #include <mach_debug.h>
   43 
   44 #include <mach/boolean.h>
   45 #include <mach/machine/vm_types.h>
   46 #include <kern/kern_types.h>
   47 
   48 /*
   49  *      These functions are either defined in kern/thread.c
   50  *      via machine-dependent stack_attach and stack_detach functions,
   51  *      or are defined directly by machine-dependent code.
   52  */
   53 
   54 extern void     stack_alloc(
   55         thread_t        thread,
   56         no_return       (*resume)(thread_t));
   57 extern boolean_t stack_alloc_try(
   58         thread_t        thread,
   59         no_return       (*resume)(thread_t));
   60 extern void     stack_free(
   61         thread_t        thread);
   62 extern void     stack_privilege(
   63         thread_t        thread);
   64 extern void     stack_collect(void);
   65 
   66 /*
   67  *      These routines are called by machine-independent
   68  *      stack allocation code.  They may (but are not
   69  *      required to be) called by machine-dependent stack
   70  *      allocation routines.
   71  */
   72 extern void stack_attach(
   73         thread_t        thread,
   74         vm_offset_t     stack,
   75         no_return       (*resume)(thread_t));
   76 
   77 extern vm_offset_t stack_detach(
   78         thread_t        thread);
   79 
   80 
   81 #if     MACH_DEBUG
   82 /*
   83  *      Stack statistics routines.
   84  */
   85 extern void     stack_init(
   86         vm_offset_t     stack);
   87 extern void     stack_finalize(
   88         vm_offset_t     stack);
   89 extern vm_size_t stack_usage(
   90         vm_offset_t     stack);
   91 extern void     stack_statistics(
   92         unsigned int    *totalp,
   93         vm_size_t       *maxusagep);
   94 
   95 #endif  /* MACH_DEBUG */
   96 
   97 
   98 
   99 #endif  /* _KERN_STACK_H_ */
  100

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FreeBSD/Linux Kernel Cross Reference sys/kern/stack.h

FreeBSD/Linux Kernel Cross Reference
sys/kern/stack.h