mirror of
https://github.com/azure-rtos/threadx
synced 2025-01-30 08:02:57 +08:00
85 lines
5.0 KiB
C
85 lines
5.0 KiB
C
/**************************************************************************/
|
|
/* */
|
|
/* Copyright (c) Microsoft Corporation. All rights reserved. */
|
|
/* */
|
|
/* This software is licensed under the Microsoft Software License */
|
|
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
|
|
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
|
|
/* and in the root directory of this software. */
|
|
/* */
|
|
/**************************************************************************/
|
|
|
|
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
/** */
|
|
/** POSIX wrapper for THREADX */
|
|
/** */
|
|
/** */
|
|
/** */
|
|
/**************************************************************************/
|
|
/**************************************************************************/
|
|
|
|
/* Include necessary system files. */
|
|
|
|
#include "tx_api.h" /* Threadx API */
|
|
#include "pthread.h" /* Posix API */
|
|
#include "px_int.h" /* Posix helper functions */
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* FUNCTION RELEASE */
|
|
/* */
|
|
/* posix_memory_release PORTABLE C */
|
|
/* 6.1.7 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* William E. Lamie, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This function attempts to return the specified memory region back */
|
|
/* into the POSIX heap. */
|
|
/* */
|
|
/* INPUT */
|
|
/* */
|
|
/* memory_ptr Memory pointer to return */
|
|
/* */
|
|
/* OUTPUT */
|
|
/* */
|
|
/* None */
|
|
/* */
|
|
/* CALLS */
|
|
/* */
|
|
/* tx_byte_release Release the memory */
|
|
/* posix_internal_error internal error handler */
|
|
/* */
|
|
/* CALLED BY */
|
|
/* */
|
|
/* POSIX internal code */
|
|
/* */
|
|
/* RELEASE HISTORY */
|
|
/* */
|
|
/* DATE NAME DESCRIPTION */
|
|
/* */
|
|
/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */
|
|
/* */
|
|
/**************************************************************************/
|
|
VOID posix_memory_release(VOID * memory_ptr)
|
|
{
|
|
|
|
/* Check if memory_ptr is part of the POSIX byte pool,
|
|
* if not just return */
|
|
if (((CHAR *)memory_ptr >=
|
|
(CHAR *)&posix_heap_byte_pool.tx_byte_pool_start) ||
|
|
((CHAR *)memory_ptr <=
|
|
(CHAR *)posix_heap_byte_pool.tx_byte_pool_start
|
|
+ posix_heap_byte_pool.tx_byte_pool_size)) {
|
|
tx_byte_release(memory_ptr);
|
|
}
|
|
|
|
/* Return to caller. */
|
|
return;
|
|
}
|