1 /*************************************************************************** 2 * Copyright (c) 2024 Microsoft Corporation 3 * 4 * This program and the accompanying materials are made available under the 5 * terms of the MIT License which is available at 6 * https://opensource.org/licenses/MIT. 7 * 8 * SPDX-License-Identifier: MIT 9 **************************************************************************/ 10 11 12 /**************************************************************************/ 13 /**************************************************************************/ 14 /** */ 15 /** ThreadX Component */ 16 /** */ 17 /** Block Pool */ 18 /** */ 19 /**************************************************************************/ 20 /**************************************************************************/ 21 22 #define TX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "tx_api.h" 28 #include "tx_block_pool.h" 29 30 31 #ifndef TX_INLINE_INITIALIZATION 32 33 /* Locate block pool component data in this file. */ 34 35 /* Define the head pointer of the created block pool list. */ 36 37 TX_BLOCK_POOL * _tx_block_pool_created_ptr; 38 39 40 /* Define the variable that holds the number of created block pools. */ 41 42 ULONG _tx_block_pool_created_count; 43 44 45 #ifdef TX_BLOCK_POOL_ENABLE_PERFORMANCE_INFO 46 47 /* Define the total number of block allocates. */ 48 49 ULONG _tx_block_pool_performance_allocate_count; 50 51 52 /* Define the total number of block releases. */ 53 54 ULONG _tx_block_pool_performance_release_count; 55 56 57 /* Define the total number of block pool suspensions. */ 58 59 ULONG _tx_block_pool_performance_suspension_count; 60 61 62 /* Define the total number of block pool timeouts. */ 63 64 ULONG _tx_block_pool_performance_timeout_count; 65 66 #endif 67 68 69 /**************************************************************************/ 70 /* */ 71 /* FUNCTION RELEASE */ 72 /* */ 73 /* _tx_block pool_initialize PORTABLE C */ 74 /* 6.1 */ 75 /* AUTHOR */ 76 /* */ 77 /* William E. Lamie, Microsoft Corporation */ 78 /* */ 79 /* DESCRIPTION */ 80 /* */ 81 /* This function initializes the various control data structures for */ 82 /* the block pool component. */ 83 /* */ 84 /* INPUT */ 85 /* */ 86 /* None */ 87 /* */ 88 /* OUTPUT */ 89 /* */ 90 /* None */ 91 /* */ 92 /* CALLS */ 93 /* */ 94 /* None */ 95 /* */ 96 /* CALLED BY */ 97 /* */ 98 /* _tx_initialize_high_level High level initialization */ 99 /* */ 100 /* RELEASE HISTORY */ 101 /* */ 102 /* DATE NAME DESCRIPTION */ 103 /* */ 104 /* 05-19-2020 William E. Lamie Initial Version 6.0 */ 105 /* 09-30-2020 Yuxin Zhou Modified comment(s), */ 106 /* opt out of function when */ 107 /* TX_INLINE_INITIALIZATION is */ 108 /* defined, */ 109 /* resulting in version 6.1 */ 110 /* */ 111 /**************************************************************************/ _tx_block_pool_initialize(VOID)112VOID _tx_block_pool_initialize(VOID) 113 { 114 115 #ifndef TX_DISABLE_REDUNDANT_CLEARING 116 117 /* Initialize the head pointer of the created block pools list and the 118 number of block pools created. */ 119 _tx_block_pool_created_ptr = TX_NULL; 120 _tx_block_pool_created_count = TX_EMPTY; 121 122 #ifdef TX_BLOCK_POOL_ENABLE_PERFORMANCE_INFO 123 124 /* Initialize block pool performance counters. */ 125 _tx_block_pool_performance_allocate_count = ((ULONG) 0); 126 _tx_block_pool_performance_release_count = ((ULONG) 0); 127 _tx_block_pool_performance_suspension_count = ((ULONG) 0); 128 _tx_block_pool_performance_timeout_count = ((ULONG) 0); 129 #endif 130 #endif 131 } 132 #endif 133
