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/*  rtems/posix/key.h
 *
 *  This include file contains all the private support information for
 *  POSIX key.
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: key.h,v 1.2 2001-09-27 11:59:14 chris Exp $
 */
 
#ifndef __RTEMS_POSIX_KEY_h
#define __RTEMS_POSIX_KEY_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 *  Data Structure used to manage a POSIX key
 *
 *  NOTE:  The Values is a table indexed by the index portion of the
 *         ID of the currently executing thread.
 */
 
typedef struct {
   Objects_Control     Object;
   boolean             is_active;
   void              (*destructor)( void * );
   void              **Values[ OBJECTS_CLASSES_LAST_THREAD_CLASS + 1 ];
}  POSIX_Keys_Control;
 
/*
 *  The following defines the information control block used to manage
 *  this class of objects.
 */
 
POSIX_EXTERN Objects_Information  _POSIX_Keys_Information;
 
/*
 *  _POSIX_Keys_Manager_initialization
 *
 *  DESCRIPTION:
 *
 *  This routine performs the initialization necessary for this manager.
 */
 
void _POSIX_Key_Manager_initialization(
  unsigned32 maximum_keys
);
 
/*
 *  _POSIX_Keys_Run_destructors
 *
 *  DESCRIPTION:
 *
 *  This function executes all the destructors associated with the thread's
 *  keys.  This function will execute until all values have been set to NULL.
 *
 *  NOTE:  This is the routine executed when a thread exits to
 *         run through all the keys and do the destructor action.
 */
 
void _POSIX_Keys_Run_destructors(
  Thread_Control *thread
);
 
/*
 *  _POSIX_Keys_Allocate
 *
 *  DESCRIPTION:
 *
 *  This function allocates a keys control block from
 *  the inactive chain of free keys control blocks.
 */
 
RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Allocate( void );
 
/*
 *  _POSIX_Keys_Free
 *
 *  DESCRIPTION:
 *
 *  This routine frees a keys control block to the
 *  inactive chain of free keys control blocks.
 */
 
RTEMS_INLINE_ROUTINE void _POSIX_Keys_Free (
  POSIX_Keys_Control *the_key
);
 
/*
 *  _POSIX_Keys_Get
 *
 *  DESCRIPTION:
 *
 *  This function maps key IDs to key control blocks.
 *  If ID corresponds to a local keys, then it returns
 *  the_key control pointer which maps to ID and location
 *  is set to OBJECTS_LOCAL.  if the keys ID is global and
 *  resides on a remote node, then location is set to OBJECTS_REMOTE,
 *  and the_key is undefined.  Otherwise, location is set
 *  to OBJECTS_ERROR and the_key is undefined.
 */
 
RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Get (
  Objects_Id         id,
  Objects_Locations *location
);
 
/*
 *  _POSIX_Keys_Is_null
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the_key is NULL and FALSE otherwise.
 */
 
RTEMS_INLINE_ROUTINE boolean _POSIX_Keys_Is_null (
  POSIX_Keys_Control *the_key
);
 
#include <rtems/posix/key.inl>
 
#ifdef __cplusplus
}
#endif
 
#endif
/*  end of include file */
 

Line No.	Rev	Author	Line
1	30	unneback	`/* rtems/posix/key.h`
2			`*`
3			`* This include file contains all the private support information for`
4			`* POSIX key.`
5			`*`
6			`* COPYRIGHT (c) 1989-1999.`
7			`* On-Line Applications Research Corporation (OAR).`
8			`*`
9			`* The license and distribution terms for this file may be`
10			`* found in the file LICENSE in this distribution or at`
11			`* http://www.OARcorp.com/rtems/license.html.`
12			`*`
13			`* $Id: key.h,v 1.2 2001-09-27 11:59:14 chris Exp $`
14			`*/`
15
16			`#ifndef __RTEMS_POSIX_KEY_h`
17			`#define __RTEMS_POSIX_KEY_h`
18
19			`#ifdef __cplusplus`
20			`extern "C" {`
21			`#endif`
22
23			`/*`
24			`* Data Structure used to manage a POSIX key`
25			`*`
26			`* NOTE: The Values is a table indexed by the index portion of the`
27			`* ID of the currently executing thread.`
28			`*/`
29
30			`typedef struct {`
31			`Objects_Control Object;`
32			`boolean is_active;`
33			`void (destructor)( void );`
34			`void **Values[ OBJECTS_CLASSES_LAST_THREAD_CLASS + 1 ];`
35			`} POSIX_Keys_Control;`
36
37			`/*`
38			`* The following defines the information control block used to manage`
39			`* this class of objects.`
40			`*/`
41
42			`POSIX_EXTERN Objects_Information _POSIX_Keys_Information;`
43
44			`/*`
45			`* _POSIX_Keys_Manager_initialization`
46			`*`
47			`* DESCRIPTION:`
48			`*`
49			`* This routine performs the initialization necessary for this manager.`
50			`*/`
51
52			`void _POSIX_Key_Manager_initialization(`
53			`unsigned32 maximum_keys`
54			`);`
55
56			`/*`
57			`* _POSIX_Keys_Run_destructors`
58			`*`
59			`* DESCRIPTION:`
60			`*`
61			`* This function executes all the destructors associated with the thread's`
62			`* keys. This function will execute until all values have been set to NULL.`
63			`*`
64			`* NOTE: This is the routine executed when a thread exits to`
65			`* run through all the keys and do the destructor action.`
66			`*/`
67
68			`void _POSIX_Keys_Run_destructors(`
69			`Thread_Control *thread`
70			`);`
71
72			`/*`
73			`* _POSIX_Keys_Allocate`
74			`*`
75			`* DESCRIPTION:`
76			`*`
77			`* This function allocates a keys control block from`
78			`* the inactive chain of free keys control blocks.`
79			`*/`
80
81			`RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Allocate( void );`
82
83			`/*`
84			`* _POSIX_Keys_Free`
85			`*`
86			`* DESCRIPTION:`
87			`*`
88			`* This routine frees a keys control block to the`
89			`* inactive chain of free keys control blocks.`
90			`*/`
91
92			`RTEMS_INLINE_ROUTINE void _POSIX_Keys_Free (`
93			`POSIX_Keys_Control *the_key`
94			`);`
95
96			`/*`
97			`* _POSIX_Keys_Get`
98			`*`
99			`* DESCRIPTION:`
100			`*`
101			`* This function maps key IDs to key control blocks.`
102			`* If ID corresponds to a local keys, then it returns`
103			`* the_key control pointer which maps to ID and location`
104			`* is set to OBJECTS_LOCAL. if the keys ID is global and`
105			`* resides on a remote node, then location is set to OBJECTS_REMOTE,`
106			`* and the_key is undefined. Otherwise, location is set`
107			`* to OBJECTS_ERROR and the_key is undefined.`
108			`*/`
109
110			`RTEMS_INLINE_ROUTINE POSIX_Keys_Control *_POSIX_Keys_Get (`
111			`Objects_Id id,`
112			`Objects_Locations *location`
113			`);`
114
115			`/*`
116			`* _POSIX_Keys_Is_null`
117			`*`
118			`* DESCRIPTION:`
119			`*`
120			`* This function returns TRUE if the_key is NULL and FALSE otherwise.`
121			`*/`
122
123			`RTEMS_INLINE_ROUTINE boolean _POSIX_Keys_Is_null (`
124			`POSIX_Keys_Control *the_key`
125			`);`
126
127			`#include <rtems/posix/key.inl>`
128
129			`#ifdef __cplusplus`
130			`}`
131			`#endif`
132
133			`#endif`
134			`/* end of include file */`
135

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [include/] [rtems/] [posix/] [key.h] - Blame information for rev 773