netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_tcp.h"
#include "tx_thread.h"
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_nx_tcp_socket_thread_resume(TX_THREAD **, UINT)
Files
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nx_tcp_socket_thread_resume.c
 
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/**************************************************************************/ /* */ /* 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. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** NetX Component */ /** */ /** Transmission Control Protocol (TCP) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "nx_tcp.h" #include "tx_thread.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nx_tcp_socket_thread_resume PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function resumes a thread suspended on a TCP service within */ /* NetX. */ /* */ /* INPUT */ /* */ /* thread_ptr Pointer to thread to resume */ /* status Return status */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* _tx_thread_system_resume Resume suspended thread */ /* */ /* CALLED BY */ /* */ /* _nx_tcp_client_socket_unbind Client socket unbind */ /* processing */ /* _nx_tcp_socket_connection_reset Received reset processing */ /* _nx_tcp_socket_state_closing Socket state closing */ /* processing */ /* _nx_tcp_socket_state_data_check Socket data check processing */ /* _nx_tcp_socket_state_fin_wait2 Socket FIN wait-2 processing */ /* _nx_tcp_socket_state_fin_wait1 Socket FIN wait-1 processing */ /* _nx_tcp_socket_state_last_ack Socket last ack processing */ /* _nx_tcp_socket_state_syn_received Socket SYN received */ /* processing */ /* _nx_tcp_socket_state_syn_sent Socket SYN sent processing */ /* _nx_tcp_socket_state_transmit_check Socket transmit check */ /* processing */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ VOID _nx_tcp_socket_thread_resume(TX_THREAD **suspension_list_head, UINT status) { TX_INTERRUPT_SAVE_AREA TX_THREAD *thread_ptr; /* Disable interrupts. */ TX_DISABLE /* Pickup the thread pointer. */ thread_ptr = *suspension_list_head; /* Determine if there still is a thread suspended. */ if (thread_ptr) { /* Determine if there are anymore threads on the suspension list. */ if (thread_ptr == thread_ptr -> tx_thread_suspended_next) { /* Only this thread is on the suspension list. Simply set the list head to NULL to reflect an empty suspension list. *//* ... */ *suspension_list_head = TX_NULL; }if (thread_ptr == thread_ptr -> tx_thread_suspended_next) { ... } else { /* More than one thread is on the suspension list, we need to adjust the link pointers and move the next entry to the front of the list. *//* ... */ *suspension_list_head = thread_ptr -> tx_thread_suspended_next; /* Update the links of the adjacent threads. */ (thread_ptr -> tx_thread_suspended_next) -> tx_thread_suspended_previous = thread_ptr -> tx_thread_suspended_previous; (thread_ptr -> tx_thread_suspended_previous) -> tx_thread_suspended_next = thread_ptr -> tx_thread_suspended_next; }else { ... } /* Prepare for resumption of the thread. */ /* Clear cleanup routine to avoid timeout. */ thread_ptr -> tx_thread_suspend_cleanup = TX_NULL; /* Temporarily disable preemption. */ _tx_thread_preempt_disable++; /* Restore interrupts. */ TX_RESTORE /* Put return status into the thread control block. */ thread_ptr -> tx_thread_suspend_status = status; /* Resume thread. */ _tx_thread_system_resume(thread_ptr); }if (thread_ptr) { ... } else { /* Nothing was suspended. Simply restore interrupts. */ TX_RESTORE }else { ... } }{ ... }
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