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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. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_shell_entry PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function calls the specified entry function of the thread. It */
/* also provides a place for the thread's entry function to return. */
/* If the thread returns, this function places the thread in a */
/* "COMPLETED" state. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* thread_entry Thread's entry function */
/* _tx_thread_system_suspend Thread suspension routine */
/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
/* */
/* CALLED BY */
/* */
/* Initial thread stack frame */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
VOID _tx_thread_shell_entry(VOID)
{
TX_INTERRUPT_SAVE_AREA
TX_THREAD *thread_ptr;
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
VOID (*entry_exit_notify)(TX_THREAD *notify_thread_ptr, UINT type);
#endif
/* Pickup thread pointer. */
TX_THREAD_GET_CURRENT(thread_ptr)
/* Perform any additional activities for tool or user purpose. */
TX_THREAD_STARTED_EXTENSION(thread_ptr)
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Disable interrupts. */
TX_DISABLE
/* Pickup the entry/exit application callback routine. */
entry_exit_notify = thread_ptr -> tx_thread_entry_exit_notify;
/* Restore interrupts. */
TX_RESTORE
/* Determine if an application callback routine is specified. */
if (entry_exit_notify != TX_NULL)
{
/* Yes, notify application that this thread has been entered! */
(entry_exit_notify)(thread_ptr, TX_THREAD_ENTRY);
}
#endif
/* Call current thread's entry function. */
(thread_ptr -> tx_thread_entry) (thread_ptr -> tx_thread_entry_parameter);
/* Suspend thread with a "completed" state. */
/* Determine if the application is using mutexes. */
if (_tx_thread_mutex_release != TX_NULL)
{
/* Yes, call the mutex release function via a function pointer that
is setup during mutex initialization. */
(_tx_thread_mutex_release)(thread_ptr);
}
/* Lockout interrupts while the thread state is setup. */
TX_DISABLE
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Pickup the entry/exit application callback routine again. */
entry_exit_notify = thread_ptr -> tx_thread_entry_exit_notify;
#endif
/* Set the status to suspending, in order to indicate the suspension
is in progress. */
thread_ptr -> tx_thread_state = TX_COMPLETED;
/* Thread state change. */
TX_THREAD_STATE_CHANGE(thread_ptr, TX_COMPLETED)
#ifdef TX_NOT_INTERRUPTABLE
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Determine if an application callback routine is specified. */
if (entry_exit_notify != TX_NULL)
{
/* Yes, notify application that this thread has exited! */
(entry_exit_notify)(thread_ptr, TX_THREAD_EXIT);
}
#endif
/* Perform any additional activities for tool or user purpose. */
TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
/* Call actual non-interruptable thread suspension routine. */
_tx_thread_system_ni_suspend(thread_ptr, ((ULONG) 0));
/* Restore interrupts. */
TX_RESTORE
#else
/* Set the suspending flag. */
thread_ptr -> tx_thread_suspending = TX_TRUE;
/* Setup for no timeout period. */
thread_ptr -> tx_thread_timer.tx_timer_internal_remaining_ticks = ((ULONG) 0);
/* Temporarily disable preemption. */
_tx_thread_preempt_disable++;
/* Restore interrupts. */
TX_RESTORE
/* Perform any additional activities for tool or user purpose. */
TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Determine if an application callback routine is specified. */
if (entry_exit_notify != TX_NULL)
{
/* Yes, notify application that this thread has exited! */
(entry_exit_notify)(thread_ptr, TX_THREAD_EXIT);
}
#endif
/* Call actual thread suspension routine. */
_tx_thread_system_suspend(thread_ptr);
#endif
#ifdef TX_SAFETY_CRITICAL
/* If we ever get here, raise safety critical exception. */
TX_SAFETY_CRITICAL_EXCEPTION(__FILE__, __LINE__, 0);
#endif
}
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