7iwind/threadx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Release 6.1.9

Browse Source
This commit is contained in:
Yuxin Zhou
2021-10-14 00:51:26 +00:00
parent 215df45d4b
commit 1af8404c54
1812 changed files with 60698 additions and 249862 deletions
Download Patch File Download Diff File Expand all files Collapse all files

106
common_smp/src/tx_queue_send.c
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Queue */
/** */
@@ -31,57 +31,59 @@
#include "tx_queue.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_queue_send PORTABLE C */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_queue_send PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function places a message into the specified queue. If there */
/* is no room in the queue, this function waits according to the */
/* option specified. */
/* */
/* INPUT */
/* */
/* queue_ptr Pointer to queue control block */
/* source_ptr Pointer to message source */
/* wait_option Suspension option */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_system_resume Resume thread routine */
/* _tx_thread_system_ni_resume Non-interruptable resume thread */
/* _tx_thread_system_suspend Suspend thread routine */
/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function places a message into the specified queue. If there */
/* is no room in the queue, this function waits according to the */
/* option specified. */
/* */
/* INPUT */
/* */
/* queue_ptr Pointer to queue control block */
/* source_ptr Pointer to message source */
/* wait_option Suspension option */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_system_resume Resume thread routine */
/* _tx_thread_system_ni_resume Non-interruptable resume thread */
/* _tx_thread_system_suspend Suspend thread routine */
/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _tx_queue_send(TX_QUEUE *queue_ptr, VOID *source_ptr, ULONG wait_option)
{
TX_INTERRUPT_SAVE_AREA
TX_THREAD *thread_ptr;
ULONG *source;
TX_THREAD *thread_ptr;
ULONG *source;
ULONG *destination;
UINT size;
UINT suspended_count;
@@ -126,9 +128,9 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
/* Determine if there are suspended on this queue. */
if (suspended_count == TX_NO_SUSPENSIONS)
{
/* No suspended threads, simply place the message in the queue. */
/* Reduce the amount of available storage. */
queue_ptr -> tx_queue_available_storage--;
@@ -138,9 +140,9 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
/* Setup source and destination pointers. */
source = TX_VOID_TO_ULONG_POINTER_CONVERT(source_ptr);
destination = queue_ptr -> tx_queue_write;
size = queue_ptr -> tx_queue_message_size;
size = queue_ptr -> tx_queue_message_size;
/* Copy message. Note that the source and destination pointers are
/* Copy message. Note that the source and destination pointers are
incremented by the macro. */
TX_QUEUE_MESSAGE_COPY(source, destination, size)
@@ -180,7 +182,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
else
{
/* There is a thread suspended on an empty queue. Simply
/* There is a thread suspended on an empty queue. Simply
copy the message to the suspended thread's destination
pointer. */
@@ -213,8 +215,8 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
previous_thread = thread_ptr -> tx_thread_suspended_previous;
next_thread -> tx_thread_suspended_previous = previous_thread;
previous_thread -> tx_thread_suspended_next = next_thread;
}
}
/* Decrement the suspension count. */
queue_ptr -> tx_queue_suspended_count = suspended_count;
@@ -226,14 +228,14 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
/* Setup source and destination pointers. */
source = TX_VOID_TO_ULONG_POINTER_CONVERT(source_ptr);
destination = TX_VOID_TO_ULONG_POINTER_CONVERT(thread_ptr -> tx_thread_additional_suspend_info);
size = queue_ptr -> tx_queue_message_size;
size = queue_ptr -> tx_queue_message_size;
/* Copy message. Note that the source and destination pointers are
/* Copy message. Note that the source and destination pointers are
incremented by the macro. */
TX_QUEUE_MESSAGE_COPY(source, destination, size)
/* Put return status into the thread control block. */
thread_ptr -> tx_thread_suspend_status = TX_SUCCESS;
thread_ptr -> tx_thread_suspend_status = TX_SUCCESS;
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
@@ -264,7 +266,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
/* Determine if a notify callback is required. */
if (queue_send_notify != TX_NULL)
{
{
/* Call application queue send notification. */
(queue_send_notify)(queue_ptr);
@@ -272,7 +274,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
#endif
}
}
/* At this point, the queue is full. Determine if suspension is requested. */
else if (wait_option != TX_NO_WAIT)
{
@@ -300,7 +302,7 @@ VOID (*queue_send_notify)(struct TX_QUEUE_STRUCT *notify_queue_ptr);
/* Increment the number of full suspensions on this queue. */
queue_ptr -> tx_queue_performance_full_suspension_count++;
#endif
/* Pickup thread pointer. */
TX_THREAD_GET_CURRENT(thread_ptr)