thr_init.c
来自「澳洲人写的Cortex,包括uC_IP协议栈」· C语言 代码 · 共 138 行
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<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/thr_init.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 * * thr_init.c * * SYSTEM COMPONENT * * Thread Management Component * * DESCRIPTION * * This file contains initialisation service for Thread * Management Component * * SERVICES * * thrd_Init - component initialisation routine * * SCCS HISTORY * * @(#)thr_init.c 1.10, 12/22/99, 15:55:40 * * AUTHOR * * Vadim N. Azarovsky * * CREATED * * 10-Apr-1998 by Vadim N. Azarovsky * * REVISION HISTORY * * NAME DATE REMARKS * **************************************************************************/</font><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>crtx_Void_t</i> <b><font color="azure1"><a name="thrd_Init">thrd_Init</a></font></b>( <i>crtx_Void_t</i>){</font><font color="#6920ac">/********************* * LOCAL VARIABLES * *********************/</font> <i>thrd_Attr_t</i> IdleAttrs; <font color="#6920ac">/* attributes for Idle thread */</font> <i>crtx_Int_t</i> i; <font color="#6920ac">/* counter */</font><font color="#6920ac">/********************* * PROCEDURE LOGIC * *********************/</font> <font color="#6920ac">/* prevent double initialisation */</font> <b>if</b> (thrd_Initialised_g) <font color="#6920ac">/* already initialised */</font> <b>return</b>; thrd_Initialised_g = <a href="CRTX_TRUE.FIND-DEF">CRTX_TRUE</a>; thrd_Environ_g.MultiThrdMode = <a href="CRTX_FALSE.FIND-DEF">CRTX_FALSE</a>; thrd_Environ_g.TimeSliceEnable = <a href="CRTX_FALSE.FIND-DEF">CRTX_FALSE</a>; thrd_Environ_g.TimeSlice = 0; thrd_Environ_g.TimeSliceExpired = <a href="CRTX_FALSE.FIND-DEF">CRTX_FALSE</a>; thrd_Environ_g.ActiveThreads = 0; thrd_Environ_g.DemonThreads = 0; thrd_Environ_g.IdleID = <a href="THRD_ILLEGAL_ID.FIND-DEF">THRD_ILLEGAL_ID</a>; thrd_Environ_g.MainID = <a href="THRD_ILLEGAL_ID.FIND-DEF">THRD_ILLEGAL_ID</a>; <font color="#6920ac">/* there is no running thread running */</font> thrd_Environ_g.Running = <a href="THRD_ILLEGAL_ID.FIND-DEF">THRD_ILLEGAL_ID</a>; thrd_Environ_g.PrevRunning = <a href="THRD_ILLEGAL_ID.FIND-DEF">THRD_ILLEGAL_ID</a>; <font color="#6920ac">/* enable preemption */</font> thrd_Environ_g.Preemption = 0; <font color="#6920ac">/* create threads pool */</font> <a href="ilst_CreatePool.FIND-FUNC">ilst_CreatePool</a>(&thrd_Pool_g, thrd_PoolTable_g, <a href="THRD_MAX_THREADS.FIND-DEF">THRD_MAX_THREADS</a>, <a href="THRD_LIST_TABLE_SIZE.FIND-DEF">THRD_LIST_TABLE_SIZE</a>, <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>); <font color="#6920ac">/* initialise lists table */</font> <b>for</b> (i=0; i<<a href="THRD_LIST_TABLE_SIZE.FIND-DEF">THRD_LIST_TABLE_SIZE</a>; i++) <a href="ilst_AllocateList.FIND-FUNC">ilst_AllocateList</a>(&thrd_Pool_g, &thrd_ListTable_g[i], 0, ~0); <font color="#6920ac">/* put all threads on free list */</font> <b>for</b> (i=0; i<<a href="THRD_MAX_THREADS.FIND-DEF">THRD_MAX_THREADS</a>; i++) { <a href="ilst_AddHead.FIND-FUNC">ilst_AddHead</a>(<a href="THRD_FREE_LIST.FIND-DEF">THRD_FREE_LIST</a>(), (<i>ilst_Index_t</i>)i); thrd_TCBs_g[i] = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>; } <font color="#6920ac">/* initialise resource lock */</font> <a href="rrlc_Create.FIND-FUNC">rrlc_Create</a>(&thrd_Environ_g.Lock, <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>); <font color="#6920ac">/* prepare attributes for idle thread */</font> IdleAttrs = thrd_AttrDefault_g; <font color="#6920ac">/* use default attrs as a basis */</font> IdleAttrs.Priority = <a href="PRIO_LOWEST.FIND-DEF">PRIO_LOWEST</a>; <font color="#6920ac">/* note that lowest priority is * reserved for Idle thread */</font> IdleAttrs.State = <a href="THRD_READY.FIND-DEF">THRD_READY</a>; <font color="#6920ac">/* auto-startup mode */</font> IdleAttrs.SchdPolicy = thrd_SchdRoundRobin; IdleAttrs.Demon = <a href="CRTX_TRUE.FIND-DEF">CRTX_TRUE</a>; <font color="#6920ac">/* idle thread runs as a demon */</font> IdleAttrs.pName = <font color="DarkGreen">"Idle"</font>; <font color="#6920ac">/* thread name */</font> <font color="#6920ac">/* create idle thread */</font> thrd_Environ_g.IdleID = <a href="thrd_Create4.FIND-FUNC">thrd_Create4</a>((<i>thrd_Entry4_t</i>)<a href="THRD_IDLE_ENTRY.FIND-DEF">THRD_IDLE_ENTRY</a>, &IdleAttrs, <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>); <b>return</b>;<font color="#6920ac">/************************ * EXCEPTION HANDLING * ************************/</font> <font color="#6920ac">/* None */</font>}</pre></BODY></HTML>⌨️ 快捷键说明
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