/[rtmk]/rtmk/vm-syscall.h
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revision 1.1 by jrydberg, Sat Jan 5 00:08:30 2002 UTC revision 1.2 by jrydberg, Sun Feb 24 23:09:48 2002 UTC
# Line 1  Line 1 
1  /*  /* Prototypes for VM syscalls.
2     Copyright 1999-2002 Johan Rydberg, jrydberg@rtmk.org.     Copyright 1999-2002 Johan Rydberg, jrydberg@rtmk.org.
3    
4  This program is free software; you can redistribute it and/or modify  This program is free software; you can redistribute it and/or modify
# Line 16  along with this program; if not, write t Line 16  along with this program; if not, write t
16  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
17    
18  #ifndef __vm_syscall_h  #ifndef __vm_syscall_h
19    #define __vm_syscall_h 1
20    
21  #include <rtmk/kern-return.h>  #include <rtmk/kern-return.h>
22  #include <rtmk/vm-param.h>  #include <rtmk/vm-param.h>
# Line 28  Foundation, Inc., 59 Temple Place - Suit Line 28  Foundation, Inc., 59 Temple Place - Suit
28  /* Map OBJECT at into the address space of TASK.  If ANYWHERE_P is  /* Map OBJECT at into the address space of TASK.  If ANYWHERE_P is
29     false we try to map the object at *OFFSETP, otherwise the kernel     false we try to map the object at *OFFSETP, otherwise the kernel
30     selects the location in the address space.  */     selects the location in the address space.  */
   
31  extern kern_return_t vm_map (struct task *task, struct vm_object *object,  extern kern_return_t vm_map (struct task *task, struct vm_object *object,
32                               vm_offset_t *offsetp, vm_size_t size, bool anywhere_p,                               vm_offset_t *offsetp, vm_size_t size,
33                               vm_prot_t protection, vm_inherit_t inherit);                               bool anywhere_p, vm_prot_t protection,
34                                 vm_inherit_t inherit);
35    
36  /* Allocate SIZE bytes in the address space of TASK.  If ANYWHERE_P is  /* Allocate SIZE bytes in the address space of TASK.  If ANYWHERE_P is
37     false, enter new object at *OFFSETP, otherwise use suitable location.  */     false, enter new object at *OFFSETP, otherwise use suitable location.  */
   
38  extern kern_return_t vm_allocate (struct task *task, vm_size_t size,  extern kern_return_t vm_allocate (struct task *task, vm_size_t size,
39                                    vm_offset_t *offsetp, bool anywhere_p);                                    vm_offset_t *offsetp, bool anywhere_p);
40    
41    /* Deallocate SIZE bytes at OFFSET in TASK's address space.  */
42    extern kern_return_t vm_deallocate (struct task *task, vm_offset_t offset,
43                                        vm_size_t size);
44    
45    
46    /* Sets the protection for address region [OFFSET, OFFSET+SIZE)
47       in TASK to PROTECTION. If SETMAX_P is specified, the maximum
48       protection is to be set; otherwise, only the current protection
49       is affected.  */
50    extern kern_return_t vm_protect (struct task *task, vm_offset_t offset,
51                                     vm_size_t size, vm_prot_t protection,
52                                     int setmax_p);
53    
54  #endif /* vm-syscall.h */  #endif /* vm-syscall.h */

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