📄 compat-uitron-system-mgmt-functions.html

📁 有关ecos2。0介绍了实时嵌入式的结构以及线程调度的实现和内存的管理等
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<!-- Copyright (C) 2003 Red Hat, Inc.                                --><!-- This material may be distributed only subject to the terms      --><!-- and conditions set forth in the Open Publication License, v1.0  --><!-- or later (the latest version is presently available at          --><!-- http://www.opencontent.org/openpub/).                           --><!-- Distribution of the work or derivative of the work in any       --><!-- standard (paper) book form is prohibited unless prior           --><!-- permission is obtained from the copyright holder.               --><HTML><HEAD><TITLE>	  System Management Functions</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="礗TRON API"HREF="compat-uitron-microitron-api.html"><LINKREL="PREVIOUS"TITLE="Time Management Functions"HREF="compat-uitron-time-mgmt-functions.html"><LINKREL="NEXT"TITLE="	  Network Support Functions"HREF="compat-uitron-network-support-functions.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="compat-uitron-time-mgmt-functions.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 32. &micro;ITRON API</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="compat-uitron-network-support-functions.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="COMPAT-UITRON-SYSTEM-MGMT-FUNCTIONS">System Management Functions</H1><P>These functions are fully supported in this release:	</P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">ER <TTCLASS="FUNCTION">get_ver</TT>(     T_VER *<SPANCLASS="emphasis"><ICLASS="EMPHASIS">pk_ver</I></SPAN> )</PRE></TD></TR></TABLE><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">ER <TTCLASS="FUNCTION">ref_sys</TT>(     T_RSYS *<SPANCLASS="emphasis"><ICLASS="EMPHASIS">pk_rsys</I></SPAN> )</PRE></TD></TR></TABLE><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">ER <TTCLASS="FUNCTION">ref_cfg</TT>(     T_RCFG *<SPANCLASS="emphasis"><ICLASS="EMPHASIS">pk_rcfg</I></SPAN> )</PRE></TD></TR></TABLE><P>Note that the information returned by each of these callsmay be configured to match the user's own versioning system,and the values supplied by the default configuration may be inappropriate. </P><P>These functions are not supported in this release: </P><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">ER <TTCLASS="FUNCTION">def_svc</TT>(     FN <SPANCLASS="emphasis"><ICLASS="EMPHASIS">s_fncd,</I></SPAN>    T_DSVC *<SPANCLASS="emphasis"><ICLASS="EMPHASIS">pk_dsvc</I></SPAN> )</PRE></TD></TR></TABLE><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING">ER <TTCLASS="FUNCTION">def_exc</TT>(     UINT <SPANCLASS="emphasis"><ICLASS="EMPHASIS">exckind,</I></SPAN>    T_DEXC *<SPANCLASS="emphasis"><ICLASS="EMPHASIS">pk_dexc</I></SPAN> )</PRE></TD></TR></TABLE><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="AEN14067">Error checking</H2><P>The following conditions are only checked for, and	    only return errors if	    <TTCLASS="LITERAL">CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT> is enabled: </P><P></P><UL><LI><P>return value pointer in all calls is a valid	      pointer, or E_PAR</P></LI></UL></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="compat-uitron-time-mgmt-functions.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="compat-uitron-network-support-functions.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Time Management Functions</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="compat-uitron-microitron-api.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Network Support Functions</TD></TR></TABLE></DIV></BODY></HTML>
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