Release 6.1.9
This commit is contained in:
@@ -12,8 +12,8 @@
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** ThreadX Component */
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/** */
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/** Queue */
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/** */
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@@ -31,48 +31,50 @@
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#include "tx_queue.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_queue_front_send PORTABLE C */
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_queue_front_send PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function places a message at the front of the specified queue. */
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/* If there is no room in the queue, this function returns the */
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/* queue full status. */
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/* */
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/* INPUT */
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/* */
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/* queue_ptr Pointer to queue control block */
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/* source_ptr Pointer to message source */
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/* wait_option Suspension option */
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/* */
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/* OUTPUT */
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/* */
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/* status Completion status */
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/* */
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/* CALLS */
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/* */
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/* _tx_thread_system_resume Resume thread routine */
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/* _tx_thread_system_ni_resume Non-interruptable resume thread */
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/* _tx_thread_system_suspend Suspend thread routine */
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/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* */
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/* This function places a message at the front of the specified queue. */
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/* If there is no room in the queue, this function returns the */
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/* queue full status. */
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/* */
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/* INPUT */
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/* */
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/* queue_ptr Pointer to queue control block */
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/* source_ptr Pointer to message source */
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/* wait_option Suspension option */
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/* */
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/* OUTPUT */
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/* */
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/* status Completion status */
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/* */
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/* CALLS */
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/* */
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/* _tx_thread_system_resume Resume thread routine */
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/* _tx_thread_system_ni_resume Non-interruptable resume thread */
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/* _tx_thread_system_suspend Suspend thread routine */
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/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 09-30-2020 William E. Lamie Initial Version 6.1 */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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UINT _tx_queue_front_send(TX_QUEUE *queue_ptr, VOID *source_ptr, ULONG wait_option)
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@@ -80,9 +82,9 @@ UINT _tx_queue_front_send(TX_QUEUE *queue_ptr, VOID *source_ptr, ULONG wait_opt
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TX_INTERRUPT_SAVE_AREA
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TX_THREAD *thread_ptr;
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ULONG *source;
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ULONG *destination;
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TX_THREAD *thread_ptr;
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ULONG *source;
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ULONG *destination;
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UINT size;
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UINT suspended_count;
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TX_THREAD *next_thread;
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@@ -121,7 +123,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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if (queue_ptr -> tx_queue_available_storage != ((UINT) 0))
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{
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/* Yes there is room in the queue. Now determine if there is a thread waiting
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/* Yes there is room in the queue. Now determine if there is a thread waiting
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for a message. */
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if (suspended_count == TX_NO_SUSPENSIONS)
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{
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@@ -135,20 +137,20 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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/* See if the read pointer is at the beginning of the queue area. */
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if (queue_ptr -> tx_queue_read == queue_ptr -> tx_queue_start)
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{
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/* Adjust the read pointer to the last message at the end of the
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queue. */
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queue_ptr -> tx_queue_read = TX_ULONG_POINTER_SUB(queue_ptr -> tx_queue_end, queue_ptr -> tx_queue_message_size);
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}
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else
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{
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/* Not at the beginning of the queue, just move back one message. */
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queue_ptr -> tx_queue_read = TX_ULONG_POINTER_SUB(queue_ptr -> tx_queue_read, queue_ptr -> tx_queue_message_size);
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}
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/* Simply place the message in the queue. */
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/* Reduce the amount of available storage. */
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queue_ptr -> tx_queue_available_storage--;
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@@ -158,9 +160,9 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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/* Setup source and destination pointers. */
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source = TX_VOID_TO_ULONG_POINTER_CONVERT(source_ptr);
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destination = queue_ptr -> tx_queue_read;
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size = queue_ptr -> tx_queue_message_size;
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size = queue_ptr -> tx_queue_message_size;
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/* Copy message. Note that the source and destination pointers are
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/* Copy message. Note that the source and destination pointers are
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incremented by the macro. */
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TX_QUEUE_MESSAGE_COPY(source, destination, size)
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@@ -183,7 +185,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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(queue_send_notify)(queue_ptr);
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}
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#endif
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}
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}
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else
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{
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@@ -217,8 +219,8 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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previous_thread = thread_ptr -> tx_thread_suspended_previous;
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next_thread -> tx_thread_suspended_previous = previous_thread;
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previous_thread -> tx_thread_suspended_next = next_thread;
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}
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}
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/* Decrement the suspension count. */
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queue_ptr -> tx_queue_suspended_count = suspended_count;
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@@ -237,14 +239,14 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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/* Setup source and destination pointers. */
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source = TX_VOID_TO_ULONG_POINTER_CONVERT(source_ptr);
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destination = TX_VOID_TO_ULONG_POINTER_CONVERT(thread_ptr -> tx_thread_additional_suspend_info);
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size = queue_ptr -> tx_queue_message_size;
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size = queue_ptr -> tx_queue_message_size;
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/* Copy message. Note that the source and destination pointers are
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/* Copy message. Note that the source and destination pointers are
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incremented by the macro. */
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TX_QUEUE_MESSAGE_COPY(source, destination, size)
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/* Put return status into the thread control block. */
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thread_ptr -> tx_thread_suspend_status = TX_SUCCESS;
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thread_ptr -> tx_thread_suspend_status = TX_SUCCESS;
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#ifdef TX_NOT_INTERRUPTABLE
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@@ -264,7 +266,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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/* Resume thread. */
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_tx_thread_system_resume(thread_ptr);
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#endif
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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/* Determine if a notify callback is required. */
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@@ -298,7 +300,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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/* Yes, suspension is requested. */
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/* Prepare for suspension of this thread. */
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/* Pickup thread pointer. */
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TX_THREAD_GET_CURRENT(thread_ptr)
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@@ -343,7 +345,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
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next_thread -> tx_thread_suspended_previous = thread_ptr;
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/* Update the suspension list to put this thread in front, which will put
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the message that was removed in the proper relative order when room is
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the message that was removed in the proper relative order when room is
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made in the queue. */
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queue_ptr -> tx_queue_suspension_list = thread_ptr;
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}
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