diff options
| author | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
|---|---|---|
| committer | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
| commit | 852421fda03a7722d7adb45b187235cd66fa264e (patch) | |
| tree | b117e1339a047347a3d7ebf3eeb1891168cc9b9b /common/src/txe_byte_release.c | |
Initial commit
Diffstat (limited to 'common/src/txe_byte_release.c')
| -rw-r--r-- | common/src/txe_byte_release.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/common/src/txe_byte_release.c b/common/src/txe_byte_release.c new file mode 100644 index 00000000..c7a11714 --- /dev/null +++ b/common/src/txe_byte_release.c @@ -0,0 +1,135 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + + +/**************************************************************************/ +/**************************************************************************/ +/** */ +/** ThreadX Component */ +/** */ +/** Byte Memory */ +/** */ +/**************************************************************************/ +/**************************************************************************/ + +#define TX_SOURCE_CODE + + +/* Include necessary system files. */ + +#include "tx_api.h" +#include "tx_initialize.h" +#include "tx_thread.h" +#include "tx_timer.h" +#include "tx_byte_pool.h" + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _txe_byte_release PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* William E. Lamie, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function checks for errors in the release byte function call. */ +/* */ +/* INPUT */ +/* */ +/* memory_ptr Pointer to allocated memory */ +/* */ +/* OUTPUT */ +/* */ +/* TX_PTR_ERROR Invalid memory pointer */ +/* TX_CALLER_ERROR Invalid caller of this function */ +/* status Actual completion status */ +/* */ +/* CALLS */ +/* */ +/* _tx_byte_release Actual byte release function */ +/* */ +/* CALLED BY */ +/* */ +/* Application Code */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 William E. Lamie Initial Version 6.0 */ +/* */ +/**************************************************************************/ +UINT _txe_byte_release(VOID *memory_ptr) +{ + +UINT status; +#ifndef TX_TIMER_PROCESS_IN_ISR +TX_THREAD *thread_ptr; +#endif + + + /* Default status to success. */ + status = TX_SUCCESS; + + /* First check the supplied memory pointer. */ + if (memory_ptr == TX_NULL) + { + + /* The byte memory pointer is invalid, return appropriate status. */ + status = TX_PTR_ERROR; + } + else + { + +#ifndef TX_TIMER_PROCESS_IN_ISR + + /* Pickup thread pointer. */ + TX_THREAD_GET_CURRENT(thread_ptr) + + /* Check for invalid caller of this function. First check for a calling thread. */ + if (thread_ptr == &_tx_timer_thread) + { + + /* Invalid caller of this function, return appropriate error code. */ + status = TX_CALLER_ERROR; + } +#endif + + /* Check for interrupt call. */ + if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0)) + { + + /* Now, make sure the call is from an interrupt and not initialization. */ + if (TX_THREAD_GET_SYSTEM_STATE() < TX_INITIALIZE_IN_PROGRESS) + { + + /* Invalid caller of this function, return appropriate error code. */ + status = TX_CALLER_ERROR; + } + } + } + + /* Determine if everything is okay. */ + if (status == TX_SUCCESS) + { + + /* Call actual byte release function. */ + status = _tx_byte_release(memory_ptr); + } + + /* Return completion status. */ + return(status); +} + |