1 /**************************************************************************/
2 /*                                                                        */
3 /*       Copyright (c) Microsoft Corporation. All rights reserved.        */
4 /*                                                                        */
5 /*       This software is licensed under the Microsoft Software License   */
6 /*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
7 /*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
8 /*       and in the root directory of this software.                      */
9 /*                                                                        */
10 /**************************************************************************/
11 
12 
13 /**************************************************************************/
14 /**************************************************************************/
15 /**                                                                       */
16 /** ThreadX Component                                                     */
17 /**                                                                       */
18 /**   Block Memory                                                        */
19 /**                                                                       */
20 /**************************************************************************/
21 /**************************************************************************/
22 
23 #define TX_SOURCE_CODE
24 
25 
26 /* Include necessary system files.  */
27 
28 #include "tx_api.h"
29 #include "tx_block_pool.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _txe_block_pool_info_get                            PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    William E. Lamie, Microsoft Corporation                             */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function checks for errors in the block pool information get   */
45 /*    service.                                                            */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    pool_ptr                          Pointer to block pool control blk */
50 /*    name                              Destination for the pool name     */
51 /*    available_blocks                  Number of free blocks in pool     */
52 /*    total_blocks                      Total number of blocks in pool    */
53 /*    first_suspended                   Destination for pointer of first  */
54 /*                                        thread suspended on block pool  */
55 /*    suspended_count                   Destination for suspended count   */
56 /*    next_pool                         Destination for pointer to next   */
57 /*                                        block pool on the created list  */
58 /*                                                                        */
59 /*  OUTPUT                                                                */
60 /*                                                                        */
61 /*    TX_POOL_ERROR                     Invalid block pool pointer        */
62 /*    status                            Completion status                 */
63 /*                                                                        */
64 /*  CALLS                                                                 */
65 /*                                                                        */
66 /*    _tx_block_pool_info_get           Actual block pool info get service*/
67 /*                                                                        */
68 /*  CALLED BY                                                             */
69 /*                                                                        */
70 /*    Application Code                                                    */
71 /*                                                                        */
72 /*  RELEASE HISTORY                                                       */
73 /*                                                                        */
74 /*    DATE              NAME                      DESCRIPTION             */
75 /*                                                                        */
76 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
77 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
78 /*                                            resulting in version 6.1    */
79 /*                                                                        */
80 /**************************************************************************/
_txe_block_pool_info_get(TX_BLOCK_POOL * pool_ptr,CHAR ** name,ULONG * available_blocks,ULONG * total_blocks,TX_THREAD ** first_suspended,ULONG * suspended_count,TX_BLOCK_POOL ** next_pool)81 UINT  _txe_block_pool_info_get(TX_BLOCK_POOL *pool_ptr, CHAR **name, ULONG *available_blocks,
82                     ULONG *total_blocks, TX_THREAD **first_suspended,
83                     ULONG *suspended_count, TX_BLOCK_POOL **next_pool)
84 {
85 
86 
87 UINT    status;
88 
89 
90     /* Check for an invalid block pool pointer.  */
91     if (pool_ptr == TX_NULL)
92     {
93 
94         /* Block pool pointer is invalid, return appropriate error code.  */
95         status =  TX_POOL_ERROR;
96     }
97 
98     /* Now check the pool ID.  */
99     else if (pool_ptr -> tx_block_pool_id != TX_BLOCK_POOL_ID)
100     {
101 
102         /* Block pool pointer is invalid, return appropriate error code.  */
103         status =  TX_POOL_ERROR;
104     }
105     else
106     {
107 
108         /* Otherwise, call the actual block pool information get service.  */
109         status =  _tx_block_pool_info_get(pool_ptr, name, available_blocks,
110                         total_blocks, first_suspended, suspended_count, next_pool);
111     }
112 
113     /* Return completion status.  */
114     return(status);
115 }
116 
117