X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FDemo%2FCommon%2FMinimal%2Fdeath.c;h=aff60e59af6b73ec971ee358874750b9416d31a8;hb=b15dfacb6026af3b0ba697e5753844923b468d2b;hp=d6a9110b700b1aafefd2b08550fd7ae12b4d6a7c;hpb=abf43e0ca4466819c7c77a7bb37d72aa9175e471;p=freertos diff --git a/FreeRTOS/Demo/Common/Minimal/death.c b/FreeRTOS/Demo/Common/Minimal/death.c index d6a9110b7..aff60e59a 100644 --- a/FreeRTOS/Demo/Common/Minimal/death.c +++ b/FreeRTOS/Demo/Common/Minimal/death.c @@ -1,67 +1,29 @@ /* - FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. - All rights reserved - - VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. - - *************************************************************************** - * * - * FreeRTOS provides completely free yet professionally developed, * - * robust, strictly quality controlled, supported, and cross * - * platform software that has become a de facto standard. * - * * - * Help yourself get started quickly and support the FreeRTOS * - * project by purchasing a FreeRTOS tutorial book, reference * - * manual, or both from: http://www.FreeRTOS.org/Documentation * - * * - * Thank you! * - * * - *************************************************************************** - - This file is part of the FreeRTOS distribution. - - FreeRTOS is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License (version 2) as published by the - Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. - - >>! NOTE: The modification to the GPL is included to allow you to distribute - >>! a combined work that includes FreeRTOS without being obliged to provide - >>! the source code for proprietary components outside of the FreeRTOS - >>! kernel. - - FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - FOR A PARTICULAR PURPOSE. Full license text is available from the following - link: http://www.freertos.org/a00114.html - - 1 tab == 4 spaces! - - *************************************************************************** - * * - * Having a problem? Start by reading the FAQ "My application does * - * not run, what could be wrong?" * - * * - * http://www.FreeRTOS.org/FAQHelp.html * - * * - *************************************************************************** - - http://www.FreeRTOS.org - Documentation, books, training, latest versions, - license and Real Time Engineers Ltd. contact details. - - http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, - including FreeRTOS+Trace - an indispensable productivity tool, a DOS - compatible FAT file system, and our tiny thread aware UDP/IP stack. - - http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High - Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS - licenses offer ticketed support, indemnification and middleware. - - http://www.SafeRTOS.com - High Integrity Systems also provide a safety - engineered and independently SIL3 certified version for use in safety and - mission critical applications that require provable dependability. - - 1 tab == 4 spaces! -*/ + * FreeRTOS Kernel V10.3.0 + * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ /** * Create a single persistent task which periodically dynamically creates another @@ -82,19 +44,6 @@ *
*/ -/* -Changes from V3.0.0 - + CreationCount sizes changed from unsigned portBASE_TYPE to - unsigned short to minimize the risk of overflowing. - - + Reset of usLastCreationCount added - -Changes from V3.1.0 - + Changed the dummy calculation to use variables of type long, rather than - float. This allows the file to be used with ports that do not support - floating point. - -*/ #include @@ -116,67 +65,47 @@ static portTASK_FUNCTION_PROTO( vSuicidalTask, pvParameters ); /* A variable which is incremented every time the dynamic tasks are created. This is used to check that the task is still running. */ -static volatile unsigned short usCreationCount = 0; +static volatile uint16_t usCreationCount = 0; /* Used to store the number of tasks that were originally running so the creator task can tell if any of the suicidal tasks have failed to die. */ -static volatile unsigned portBASE_TYPE uxTasksRunningAtStart = 0; +static volatile UBaseType_t uxTasksRunningAtStart = 0; -/* Tasks are deleted by the idle task. Under heavy load the idle task might -not get much processing time, so it would be legitimate for several tasks to -remain undeleted for a short period. */ -static const unsigned portBASE_TYPE uxMaxNumberOfExtraTasksRunning = 3; +/* When a task deletes itself, it stack and TCB are cleaned up by the Idle task. +Under heavy load the idle task might not get much processing time, so it would +be legitimate for several tasks to remain undeleted for a short period. There +may also be a few other unexpected tasks if, for example, the tasks that test +static allocation are also being used. */ +static const UBaseType_t uxMaxNumberOfExtraTasksRunning = 3; /* Used to store a handle to the task that should be killed by a suicidal task, before it kills itself. */ -xTaskHandle xCreatedTask; +TaskHandle_t xCreatedTask; /*-----------------------------------------------------------*/ -void vCreateSuicidalTasks( unsigned portBASE_TYPE uxPriority ) +void vCreateSuicidalTasks( UBaseType_t uxPriority ) { -unsigned portBASE_TYPE *puxPriority; - - /* Create the Creator tasks - passing in as a parameter the priority at which - the suicidal tasks should be created. */ - puxPriority = ( unsigned portBASE_TYPE * ) pvPortMalloc( sizeof( unsigned portBASE_TYPE ) ); - *puxPriority = uxPriority; - - xTaskCreate( vCreateTasks, ( signed char * ) "CREATOR", deathSTACK_SIZE, ( void * ) puxPriority, uxPriority, NULL ); - - /* Record the number of tasks that are running now so we know if any of the - suicidal tasks have failed to be killed. */ - uxTasksRunningAtStart = ( unsigned portBASE_TYPE ) uxTaskGetNumberOfTasks(); - - /* FreeRTOS.org versions before V3.0 started the idle-task as the very - first task. The idle task was then already included in uxTasksRunningAtStart. - From FreeRTOS V3.0 on, the idle task is started when the scheduler is - started. Therefore the idle task is not yet accounted for. We correct - this by increasing uxTasksRunningAtStart by 1. */ - uxTasksRunningAtStart++; - - /* From FreeRTOS version 7.0.0 can optionally create a timer service task. - If this is done, then uxTasksRunningAtStart needs incrementing again as that - too is created when the scheduler is started. */ - #if configUSE_TIMERS == 1 - uxTasksRunningAtStart++; - #endif + xTaskCreate( vCreateTasks, "CREATOR", deathSTACK_SIZE, ( void * ) NULL, uxPriority, NULL ); } /*-----------------------------------------------------------*/ - + static portTASK_FUNCTION( vSuicidalTask, pvParameters ) { volatile long l1, l2; -xTaskHandle xTaskToKill; -const portTickType xDelay = ( portTickType ) 200 / portTICK_RATE_MS; +TaskHandle_t xTaskToKill; +const TickType_t xDelay = pdMS_TO_TICKS( ( TickType_t ) 200 ); + + /* Test deletion of a task's secure context, if any. */ + portALLOCATE_SECURE_CONTEXT( configMINIMAL_SECURE_STACK_SIZE ); if( pvParameters != NULL ) { /* This task is periodically created four times. Two created tasks are passed a handle to the other task so it can kill it before killing itself. The other task is passed in null. */ - xTaskToKill = *( xTaskHandle* )pvParameters; + xTaskToKill = *( TaskHandle_t* )pvParameters; } else { @@ -194,7 +123,7 @@ const portTickType xDelay = ( portTickType ) 200 / portTICK_RATE_MS; if( xTaskToKill != NULL ) { /* Make sure the other task has a go before we delete it. */ - vTaskDelay( ( portTickType ) 0 ); + vTaskDelay( ( TickType_t ) 0 ); /* Kill the other task that was created by vCreateTasks(). */ vTaskDelete( xTaskToKill ); @@ -208,11 +137,18 @@ const portTickType xDelay = ( portTickType ) 200 / portTICK_RATE_MS; static portTASK_FUNCTION( vCreateTasks, pvParameters ) { -const portTickType xDelay = ( portTickType ) 1000 / portTICK_RATE_MS; -unsigned portBASE_TYPE uxPriority; +const TickType_t xDelay = pdMS_TO_TICKS( ( TickType_t ) 1000 ); +UBaseType_t uxPriority; - uxPriority = *( unsigned portBASE_TYPE * ) pvParameters; - vPortFree( pvParameters ); + /* Remove compiler warning about unused parameter. */ + ( void ) pvParameters; + + /* Delay at the start to ensure tasks created by other demos have been + created before storing the current number of tasks. */ + vTaskDelay( xDelay ); + uxTasksRunningAtStart = ( UBaseType_t ) uxTaskGetNumberOfTasks(); + + uxPriority = uxTaskPriorityGet( NULL ); for( ;; ) { @@ -221,8 +157,8 @@ unsigned portBASE_TYPE uxPriority; xCreatedTask = NULL; - xTaskCreate( vSuicidalTask, ( signed char * ) "SUICID1", configMINIMAL_STACK_SIZE, NULL, uxPriority, &xCreatedTask ); - xTaskCreate( vSuicidalTask, ( signed char * ) "SUICID2", configMINIMAL_STACK_SIZE, &xCreatedTask, uxPriority, NULL ); + xTaskCreate( vSuicidalTask, "SUICID1", configMINIMAL_STACK_SIZE, NULL, uxPriority, &xCreatedTask ); + xTaskCreate( vSuicidalTask, "SUICID2", configMINIMAL_STACK_SIZE, &xCreatedTask, uxPriority, NULL ); ++usCreationCount; } @@ -231,11 +167,11 @@ unsigned portBASE_TYPE uxPriority; /* This is called to check that the creator task is still running and that there are not any more than four extra tasks. */ -portBASE_TYPE xIsCreateTaskStillRunning( void ) +BaseType_t xIsCreateTaskStillRunning( void ) { -static unsigned short usLastCreationCount = 0xfff; -portBASE_TYPE xReturn = pdTRUE; -static unsigned portBASE_TYPE uxTasksRunningNow; +static uint16_t usLastCreationCount = 0xfff; +BaseType_t xReturn = pdTRUE; +static UBaseType_t uxTasksRunningNow; if( usLastCreationCount == usCreationCount ) { @@ -245,8 +181,8 @@ static unsigned portBASE_TYPE uxTasksRunningNow; { usLastCreationCount = usCreationCount; } - - uxTasksRunningNow = ( unsigned portBASE_TYPE ) uxTaskGetNumberOfTasks(); + + uxTasksRunningNow = ( UBaseType_t ) uxTaskGetNumberOfTasks(); if( uxTasksRunningNow < uxTasksRunningAtStart ) {