Release 6.1.9

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

View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Event Flags */
/** */
@@ -31,49 +31,51 @@
#include "tx_event_flags.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_event_flags_get PORTABLE C */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_event_flags_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function gets the specified event flags from the group, */
/* according to the get option. The get option also specifies whether */
/* or not the retrieved flags are cleared. */
/* */
/* INPUT */
/* */
/* group_ptr Pointer to group control block */
/* requested_event_flags Event flags requested */
/* get_option Specifies and/or and clear options*/
/* actual_flags_ptr Pointer to place the actual flags */
/* the service retrieved */
/* wait_option Suspension option */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_system_suspend Suspend thread service */
/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function gets the specified event flags from the group, */
/* according to the get option. The get option also specifies whether */
/* or not the retrieved flags are cleared. */
/* */
/* INPUT */
/* */
/* group_ptr Pointer to group control block */
/* requested_event_flags Event flags requested */
/* get_option Specifies and/or and clear options*/
/* actual_flags_ptr Pointer to place the actual flags */
/* the service retrieved */
/* wait_option Suspension option */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_thread_system_suspend Suspend thread service */
/* _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_event_flags_get(TX_EVENT_FLAGS_GROUP *group_ptr, ULONG requested_flags,
@@ -82,16 +84,16 @@ UINT _tx_event_flags_get(TX_EVENT_FLAGS_GROUP *group_ptr, ULONG requested_flags
TX_INTERRUPT_SAVE_AREA
UINT status;
UINT status;
UINT and_request;
UINT clear_request;
ULONG current_flags;
ULONG flags_satisfied;
ULONG flags_satisfied;
#ifndef TX_NOT_INTERRUPTABLE
ULONG delayed_clear_flags;
#endif
UINT suspended_count;
TX_THREAD *thread_ptr;
TX_THREAD *thread_ptr;
TX_THREAD *next_thread;
TX_THREAD *previous_thread;
#ifndef TX_NOT_INTERRUPTABLE
@@ -128,16 +130,16 @@ UINT interrupted_set_request;
/* Check for AND condition. All flags must be present to satisfy request. */
if (and_request == TX_AND)
{
/* AND request is present. */
/* Calculate the flags present. */
flags_satisfied = (current_flags & requested_flags);
/* Determine if they satisfy the AND request. */
if (flags_satisfied != requested_flags)
{
/* No, not all the requested flags are present. Clear the flags present variable. */
flags_satisfied = ((ULONG) 0);
}
@@ -148,7 +150,7 @@ UINT interrupted_set_request;
/* OR request is present. Simply or the requested flags and the current flags. */
flags_satisfied = (current_flags & requested_flags);
}
/* Determine if the request is satisfied. */
if (flags_satisfied != ((ULONG) 0))
{
@@ -162,7 +164,7 @@ UINT interrupted_set_request;
/* Determine whether or not clearing needs to take place. */
if (clear_request == TX_TRUE)
{
/* Yes, clear the flags that satisfied this request. */
group_ptr -> tx_event_flags_group_current =
group_ptr -> tx_event_flags_group_current & (~requested_flags);
@@ -188,16 +190,16 @@ UINT interrupted_set_request;
/* Check for AND condition. All flags must be present to satisfy request. */
if (and_request == TX_AND)
{
/* AND request is present. */
/* Calculate the flags present. */
flags_satisfied = (current_flags & requested_flags);
/* Determine if they satisfy the AND request. */
if (flags_satisfied != requested_flags)
{
/* No, not all the requested flags are present. Clear the flags present variable. */
flags_satisfied = ((ULONG) 0);
}
@@ -209,7 +211,7 @@ UINT interrupted_set_request;
to see if any are present. */
flags_satisfied = (current_flags & requested_flags);
}
/* Determine if the request is satisfied. */
if (flags_satisfied != ((ULONG) 0))
{
@@ -233,7 +235,7 @@ UINT interrupted_set_request;
set request. */
if (group_ptr -> tx_event_flags_group_suspended_count != TX_NO_SUSPENSIONS)
{
if (group_ptr -> tx_event_flags_group_suspension_list == TX_NULL)
{
@@ -250,7 +252,7 @@ UINT interrupted_set_request;
event clearing until the set operation is complete. */
/* Remember the events to clear. */
group_ptr -> tx_event_flags_group_delayed_clear =
group_ptr -> tx_event_flags_group_delayed_clear =
group_ptr -> tx_event_flags_group_delayed_clear | requested_flags;
}
else
@@ -277,7 +279,7 @@ UINT interrupted_set_request;
/* Determine if the preempt disable flag is non-zero. */
if (_tx_thread_preempt_disable != ((UINT) 0))
{
/* Suspension is not allowed if the preempt disable flag is non-zero at this point, return error completion. */
status = TX_NO_EVENTS;
}
@@ -294,7 +296,7 @@ UINT interrupted_set_request;
/* Increment the number of event flags suspensions on this semaphore. */
group_ptr -> tx_event_flags_group___performance_suspension_count++;
#endif
/* Pickup thread pointer. */
TX_THREAD_GET_CURRENT(thread_ptr)
@@ -323,7 +325,7 @@ UINT interrupted_set_request;
/* Pickup the suspended count. */
suspended_count = group_ptr -> tx_event_flags_group_suspended_count;
/* Setup suspension list. */
if (suspended_count == TX_NO_SUSPENSIONS)
{
@@ -348,7 +350,7 @@ UINT interrupted_set_request;
/* Increment the number of threads suspended. */
group_ptr -> tx_event_flags_group_suspended_count++;
/* Set the state to suspended. */
thread_ptr -> tx_thread_state = TX_EVENT_FLAG;
@@ -375,10 +377,10 @@ UINT interrupted_set_request;
/* Call actual thread suspension routine. */
_tx_thread_system_suspend(thread_ptr);
/* Disable interrupts. */
TX_DISABLE
/* Return the completion status. */
status = thread_ptr -> tx_thread_suspend_status;
#endif
@@ -386,7 +388,7 @@ UINT interrupted_set_request;
}
else
{
/* Immediate return, return error completion. */
status = TX_NO_EVENTS;
}