tsk_core.c

来自「澳洲人写的Cortex,包括uC_IP协议栈」· C语言代码 · 共 815 行 · 第 1/2 页
815 行
<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/tsk_core.c</TITLE></HEAD><BODY><pre><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/*                                                                       */</font><font color="#6920ac">/*     Copyright (c) 1997-1999 Australian Real Time Embedded Systems     */</font><font color="#6920ac">/*                                                                       */</font><font color="#6920ac">/* PROPRIETARY RIGHTS of Australian Real Time Embedded Systems           */</font><font color="#6920ac">/* are involved in the subject matter of this material. All reproduction,*/</font><font color="#6920ac">/* manufacturing, use, and sales rights pertaining to this subject matter*/</font><font color="#6920ac">/* are governed by the license agreement. The recipient of this software */</font><font color="#6920ac">/* implicitly accepts the terms of the license.                          */</font><font color="#6920ac">/*                                                                       */</font><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/************************************************************************* * * FILE NAME * *      tsk_core.c * * SYSTEM COMPONENT * *      Task Management Component * * DESCRIPTION * *      This file contains all core services for for Task *      Management Component * * SERVICES * * * SCCS HISTORY * *      @(#)tsk_core.c  1.11, 06/18/99, 20:25:47 * * AUTHOR * *      Vadim N. Azarovsky * * CREATED * *      29-Apr-1998         by Vadim N. Azarovsky * * REVISION HISTORY * *      NAME                DATE                    REMARKS * **************************************************************************/</font><b><font color='DarkGreen'>#include</font></b> <a href="tsk_defs.h.FIND-INC"><font color="blue">"tsk_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="thr_priv.h.FIND-INC"><font color="blue">"thr_priv.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="ass_defs.h.FIND-INC"><font color="blue">"ass_defs.h"</font></a><font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Create1">task_Create1</a></font></b>(    <i>task_Entry1_t</i>   Entry_a,     <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,    <i>crtx_Int_t</i>      ArgC_a,     <i>crtx_Void_t</i>     **ppArgV_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>return</b> <a href="thrd_Create.FIND-FUNC">thrd_Create</a>((<i>thrd_Entry4_t</i>)Entry_a, pAttr_a, pStatus_a,                        <a href="THRD_FLAG_ARGS_TYPE_1.FIND-DEF">THRD_FLAG_ARGS_TYPE_1</a>,                        (<i>thrd_Arg_t</i>)ArgC_a, (<i>thrd_Arg_t</i>)ppArgV_a);<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Create2">task_Create2</a></font></b>(    <i>task_Entry2_t</i>   Entry_a,     <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,    <i>crtx_Int_t</i>      ArgC_a,     <i>crtx_Void_t</i>     **ppArgV_a,    <i>crtx_Void_t</i>     **ppEnvV_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>return</b> <a href="thrd_Create.FIND-FUNC">thrd_Create</a>((<i>thrd_Entry4_t</i>)Entry_a, pAttr_a, pStatus_a,                        <a href="THRD_FLAG_ARGS_TYPE_2.FIND-DEF">THRD_FLAG_ARGS_TYPE_2</a>,                       (<i>thrd_Arg_t</i>)ArgC_a, (<i>thrd_Arg_t</i>)ppArgV_a,                        (<i>thrd_Arg_t</i>)ppEnvV_a);<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Create3">task_Create3</a></font></b>(    <i>task_Entry3_t</i>   Entry_a,     <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,    <i>crtx_Void_t</i>     **ppArgV_a,     <i>crtx_Int_t</i>      ArgC_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>return</b> <a href="thrd_Create.FIND-FUNC">thrd_Create</a>((<i>thrd_Entry4_t</i>)Entry_a, pAttr_a, pStatus_a,                        <a href="THRD_FLAG_ARGS_TYPE_3.FIND-DEF">THRD_FLAG_ARGS_TYPE_3</a>,                       (<i>thrd_Arg_t</i>)ppArgV_a, (<i>thrd_Arg_t</i>)ArgC_a);<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Create4">task_Create4</a></font></b>(    <i>task_Entry4_t</i>   Entry_a,    <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,     ...){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <i>thrd_ID_t</i>   ThreadID;    <i>va_list</i>     ArgVect;<font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <a href="va_start.FIND-FUNC">va_start</a>(ArgVect, pStatus_a);    ThreadID = <a href="thrd_CreateV.FIND-FUNC">thrd_CreateV</a>(Entry_a, pAttr_a, pStatus_a,                             <a href="THRD_FLAG_ARGS_TYPE_4.FIND-DEF">THRD_FLAG_ARGS_TYPE_4</a>, ArgVect);    <a href="va_end.FIND-FUNC">va_end</a>(ArgVect);    <b>return</b> ThreadID;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Create">task_Create</a></font></b> (    <i>task_Entry4_t</i>   Entry_a,    <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,     <i>crtx_Int_t</i>      ArgType_a,     ...){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <i>thrd_ID_t</i>   ThreadID;    <i>va_list</i>     ArgVect;<font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <a href="va_start.FIND-FUNC">va_start</a>(ArgVect, ArgType_a);    ThreadID = <a href="thrd_CreateV.FIND-FUNC">thrd_CreateV</a>(Entry_a, pAttr_a, pStatus_a, ArgType_a, ArgVect);    <a href="va_end.FIND-FUNC">va_end</a>(ArgVect);    <b>return</b> ThreadID;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_CreateV">task_CreateV</a></font></b> (    <i>task_Entry4_t</i>   Entry_a,    <i>task_Attr_t</i>     *pAttr_a,     <i>crtx_Status_t</i>   *pStatus_a,     <i>crtx_Int_t</i>      ArgType_a,     <i>va_list</i>         ArgVect_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>return</b>  <a href="thrd_CreateV.FIND-FUNC">thrd_CreateV</a>(Entry_a, pAttr_a, pStatus_a, ArgType_a, ArgVect_a);<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* delete specified task */</font><font size="+1"><i>crtx_Status_t</i> <b><font color="azure1"><a name="task_Delete">task_Delete</a></font></b>(    <i>task_ID_t</i>   TaskID_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <i>crtx_Status_t</i>   Status;<font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>if</b> (TaskID_a == thrd_Environ_g.IdleID)        <b>return</b> <a href="TASK_ERR_INVALID_ID.FIND-DEF">TASK_ERR_INVALID_ID</a>;    Status = <a href="thrd_Delete.FIND-FUNC">thrd_Delete</a>(TaskID_a);    <b>return</b> Status;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* acrivate deferred task */</font><font size="+1"><i>crtx_Status_t</i> <b><font color="azure1"><a name="task_Run">task_Run</a></font></b>(    <i>task_ID_t</i> TaskID_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <i>thrd_TCB_t</i>      *pTCB;    <i>crtx_Status_t</i>   Status = <a href="TASK_ERR_INVALID_ID.FIND-DEF">TASK_ERR_INVALID_ID</a>;<font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <a href="thrd_Disable.FIND-FUNC">thrd_Disable</a>();             <font color="#6920ac">/* disable preemption */</font>    <b>if</b> ((pTCB = <a href="thrd_FindThreadById.FIND-FUNC">thrd_FindThreadById</a>(TaskID_a)) != <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>)    {        <font color="#6920ac">/* requested thread exists */</font>        Status = <a href="thrd_Run.FIND-FUNC">thrd_Run</a>(TaskID_a);    }    <a href="thrd_Enable.FIND-FUNC">thrd_Enable</a>();              <font color="#6920ac">/* enable preemption */</font>    <b>return</b> Status;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* get ID of running task */</font><font size="+1"><i>task_ID_t</i> <b><font color="azure1"><a name="task_Self">task_Self</a></font></b>(    <i>crtx_Void_t</i>){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <b>return</b> <a href="thrd_SelfID.FIND-FUNC">thrd_SelfID</a>();<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* terminate running task */</font><font size="+1"><i>crtx_Void_t</i> <b><font color="azure1"><a name="task_Exit">task_Exit</a></font></b>(    <i>crtx_Void_t</i>){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <font color="#6920ac">/* None */</font><font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <a href="thrd_Protect.FIND-FUNC">thrd_Protect</a>();    <a href="thrd_PreemptToTerminated.FIND-FUNC">thrd_PreemptToTerminated</a>();     <font color="#6920ac">/* never returns */</font>    <b>return</b>;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* get task's environment */</font><font size="+1"><i>crtx_Void_t</i> *<b><font color="azure1"><a name="task_GetEnviron">task_GetEnviron</a></font></b>(    <i>task_ID_t</i> TaskID_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>    <i>thrd_TCB_t</i>      *pTCB;    <i>crtx_Void_t</i>     *pEnviron = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>;<font color="#6920ac">/********************* *  PROCEDURE LOGIC  * *********************/</font>    <a href="thrd_Disable.FIND-FUNC">thrd_Disable</a>();             <font color="#6920ac">/* disable preemption */</font>    <b>if</b> ((pTCB = <a href="thrd_FindThreadById.FIND-FUNC">thrd_FindThreadById</a>(TaskID_a)) != <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>)    {        <font color="#6920ac">/* requested thread exists */</font>        pEnviron = pTCB-&gt;pEnviron;    }    <a href="thrd_Enable.FIND-FUNC">thrd_Enable</a>();              <font color="#6920ac">/* enable preemption */</font>    <b>return</b> pEnviron;<font color="#6920ac">/************************ *  EXCEPTION HANDLING  * ************************/</font>    <font color="#6920ac">/* None */</font>}<font color="#6920ac">/* get task's name */</font><font size="+1"><i>crtx_Char_t</i> *<b><font color="azure1"><a name="task_GetName">task_GetName</a></font></b>(    <i>task_ID_t</i> TaskID_a){</font><font color="#6920ac">/********************* *  LOCAL VARIABLES  * *********************/</font>
tsk_core.c - 源码说明

本页面展示了「澳洲人写的Cortex,包括uC_IP协议栈」中的 tsk_core.c 源码文件，采用 C语言编程语言编写，共 815 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。
虫虫下载站收录了大量与Cortex相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。
⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?