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authorPProvost <[email protected]>2020-05-11 08:55:07 -0600
committerPProvost <[email protected]>2020-05-11 08:55:07 -0600
commit852421fda03a7722d7adb45b187235cd66fa264e (patch)
treeb117e1339a047347a3d7ebf3eeb1891168cc9b9b /common/src/txe_thread_relinquish.c
Initial commit
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diff --git a/common/src/txe_thread_relinquish.c b/common/src/txe_thread_relinquish.c
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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 */
+/* */
+/* _txe_thread_relinquish PORTABLE C */
+/* 6.0 */
+/* AUTHOR */
+/* */
+/* William E. Lamie, Microsoft Corporation */
+/* */
+/* DESCRIPTION */
+/* */
+/* This function checks to make sure a thread is executing before the */
+/* relinquish is executed. */
+/* */
+/* INPUT */
+/* */
+/* None */
+/* */
+/* OUTPUT */
+/* */
+/* None */
+/* */
+/* CALLS */
+/* */
+/* _tx_thread_relinquish Actual thread relinquish call */
+/* */
+/* CALLED BY */
+/* */
+/* Application Code */
+/* */
+/* RELEASE HISTORY */
+/* */
+/* DATE NAME DESCRIPTION */
+/* */
+/* 05-19-2020 William E. Lamie Initial Version 6.0 */
+/* */
+/**************************************************************************/
+VOID _txe_thread_relinquish(VOID)
+{
+
+TX_THREAD *current_thread;
+
+
+ /* Pickup thread pointer. */
+ TX_THREAD_GET_CURRENT(current_thread)
+
+ /* Make sure a thread is executing. */
+ if (current_thread != TX_NULL)
+ {
+
+ /* Now make sure the call is not from an ISR or Initialization. */
+ if (TX_THREAD_GET_SYSTEM_STATE() == ((ULONG) 0))
+ {
+
+ /* Okay to call the real relinquish function. */
+ _tx_thread_relinquish();
+ }
+ }
+}
+