mirror of
https://github.com/reactos/reactos.git
synced 2025-08-05 16:02:56 +00:00
809b4b1eab
which included commits to RCS files with non-trunk default branches. svn path=/trunk/; revision=31
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: include/internal/objmgr.h
|
|
* PURPOSE: Object manager definitions
|
|
* PROGRAMMER: David Welch (welch@mcmail.com)
|
|
*/
|
|
|
|
#ifndef __INCLUDE_INTERNAL_OBJMGR_H
|
|
#define __INCLUDE_INTERNAL_OBJMGR_H
|
|
|
|
#include <ddk/types.h>
|
|
|
|
typedef struct
|
|
{
|
|
CSHORT Type;
|
|
CSHORT Size;
|
|
} COMMON_BODY_HEADER, *PCOMMON_BODY_HEADER;
|
|
|
|
typedef struct _DIRECTORY_OBJECT
|
|
{
|
|
CSHORT Type;
|
|
CSHORT Size;
|
|
|
|
/*
|
|
* PURPOSE: Head of the list of our subdirectories
|
|
*/
|
|
LIST_ENTRY head;
|
|
KSPIN_LOCK Lock;
|
|
} DIRECTORY_OBJECT, *PDIRECTORY_OBJECT;
|
|
|
|
|
|
/*
|
|
* Enumeration of object types
|
|
*/
|
|
enum
|
|
{
|
|
OBJTYP_INVALID,
|
|
OBJTYP_TYPE,
|
|
OBJTYP_DIRECTORY,
|
|
OBJTYP_SYMLNK,
|
|
OBJTYP_DEVICE,
|
|
OBJTYP_THREAD,
|
|
OBJTYP_FILE,
|
|
OBJTYP_MAX,
|
|
};
|
|
|
|
BOOL ObAddObjectToNameSpace(PUNICODE_STRING path, POBJECT_HEADER Object);
|
|
|
|
VOID ObRegisterType(CSHORT id, OBJECT_TYPE* type);
|
|
|
|
VOID ObInitializeObjectHeader(CSHORT id, PWSTR name,
|
|
POBJECT_HEADER obj);
|
|
|
|
/*
|
|
* FUNCTION: Get the size of an object
|
|
* ARGUMENTS:
|
|
* Type = Object type
|
|
* RETURNS: The size in bytes
|
|
*/
|
|
ULONG ObSizeOf(CSHORT Type);
|
|
HANDLE ObAddHandle(PVOID obj);
|
|
PVOID ObLookupObject(HANDLE rooth, PWSTR _string);
|
|
PVOID ObGetObjectByHandle(HANDLE h);
|
|
PVOID ObGenericCreateObject(PHANDLE Handle,
|
|
ACCESS_MASK DesiredAccess,
|
|
POBJECT_ATTRIBUTES ObjectAttributes,
|
|
CSHORT Type);
|
|
|
|
/*
|
|
* FUNCTION: Creates an entry within a directory
|
|
* ARGUMENTS:
|
|
* parent = Parent directory
|
|
* object = Header of the object to add
|
|
*/
|
|
VOID ObCreateEntry(PDIRECTORY_OBJECT parent, POBJECT_HEADER object);
|
|
|
|
extern inline POBJECT_HEADER BODY_TO_HEADER(PVOID body)
|
|
{
|
|
PCOMMON_BODY_HEADER chdr = (PCOMMON_BODY_HEADER)body;
|
|
return(CONTAINING_RECORD((&(chdr->Type)),OBJECT_HEADER,Type));
|
|
}
|
|
|
|
extern inline PVOID HEADER_TO_BODY(POBJECT_HEADER obj)
|
|
{
|
|
return(((void *)obj)+sizeof(OBJECT_HEADER)-sizeof(COMMON_BODY_HEADER));
|
|
}
|
|
|
|
#define OBJECT_ALLOC_SIZE(type) (ObSizeOf(type)+sizeof(OBJECT_HEADER)-sizeof(COMMON_BODY_HEADER))
|
|
|
|
#endif /* __INCLUDE_INTERNAL_OBJMGR_H */
|