/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * * This program and the accompanying materials are made available under the * terms of the MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** ThreadX Component */ /** */ /** Byte Pool */ /** */ /**************************************************************************/ /**************************************************************************/ #define TX_SOURCE_CODE /* Include necessary system files. */ #include "tx_api.h" #include "tx_byte_pool.h" #ifndef TX_INLINE_INITIALIZATION /* Locate byte pool component data in this file. */ /* Define the head pointer of the created byte pool list. */ TX_BYTE_POOL * _tx_byte_pool_created_ptr; /* Define the variable that holds the number of created byte pools. */ ULONG _tx_byte_pool_created_count; #ifdef TX_BYTE_POOL_ENABLE_PERFORMANCE_INFO /* Define the total number of allocates. */ ULONG _tx_byte_pool_performance_allocate_count; /* Define the total number of releases. */ ULONG _tx_byte_pool_performance_release_count; /* Define the total number of adjacent memory fragment merges. */ ULONG _tx_byte_pool_performance_merge_count; /* Define the total number of memory fragment splits. */ ULONG _tx_byte_pool_performance_split_count; /* Define the total number of memory fragments searched during allocation. */ ULONG _tx_byte_pool_performance_search_count; /* Define the total number of byte pool suspensions. */ ULONG _tx_byte_pool_performance_suspension_count; /* Define the total number of byte pool timeouts. */ ULONG _tx_byte_pool_performance_timeout_count; #endif /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _tx_byte_pool_initialize PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function initializes the various control data structures for */ /* the byte pool component. */ /* */ /* INPUT */ /* */ /* None */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* None */ /* */ /* CALLED BY */ /* */ /* _tx_initialize_high_level High level initialization */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* opt out of function when */ /* TX_INLINE_INITIALIZATION is */ /* defined, */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ VOID _tx_byte_pool_initialize(VOID) { #ifndef TX_DISABLE_REDUNDANT_CLEARING /* Initialize the head pointer of the created byte pools list and the number of byte pools created. */ _tx_byte_pool_created_ptr = TX_NULL; _tx_byte_pool_created_count = TX_EMPTY; #ifdef TX_BYTE_POOL_ENABLE_PERFORMANCE_INFO /* Initialize byte pool performance counters. */ _tx_byte_pool_performance_allocate_count = ((ULONG) 0); _tx_byte_pool_performance_release_count = ((ULONG) 0); _tx_byte_pool_performance_merge_count = ((ULONG) 0); _tx_byte_pool_performance_split_count = ((ULONG) 0); _tx_byte_pool_performance_search_count = ((ULONG) 0); _tx_byte_pool_performance_suspension_count = ((ULONG) 0); _tx_byte_pool_performance_timeout_count = ((ULONG) 0); #endif #endif } #endif