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Diffstat (limited to 'common/src/tx_thread_shell_entry.c')
| -rw-r--r-- | common/src/tx_thread_shell_entry.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/common/src/tx_thread_shell_entry.c b/common/src/tx_thread_shell_entry.c new file mode 100644 index 00000000..67d61a40 --- /dev/null +++ b/common/src/tx_thread_shell_entry.c @@ -0,0 +1,201 @@ +/**************************************************************************/ +/* */ +/* 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 */ +/* 6.0 */ +/* 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 */ +/* */ +/**************************************************************************/ +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 +} + |