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📄 threadkey_8c-source.html

📁 oci的源码,可以在任何平台上编译,相当方便实用
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>OCILIB (C Driver for Oracle): C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/threadkey.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.4 --><div class="tabs">  <ul>    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>    <li><a href="modules.html"><span>Modules</span></a></li>    <li><a href="annotated.html"><span>Data&nbsp;Structures</span></a></li>    <li class="current"><a href="files.html"><span>Files</span></a></li>  </ul></div><h1>C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/threadkey.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment">   +----------------------------------------------------------------------+   </span><a name="l00003"></a>00003 <span class="comment">   |                                                                      |</span><a name="l00004"></a>00004 <span class="comment">   |                     OCILIB - C Driver for Oracle                     |</span><a name="l00005"></a>00005 <span class="comment">   |                                                                      |</span><a name="l00006"></a>00006 <span class="comment">   |                      (C Wrapper for Oracle OCI)                      |</span><a name="l00007"></a>00007 <span class="comment">   |                                                                      |</span><a name="l00008"></a>00008 <span class="comment">   +----------------------------------------------------------------------+</span><a name="l00009"></a>00009 <span class="comment">   |                      Website : http://ocilib.net                     |</span><a name="l00010"></a>00010 <span class="comment">   +----------------------------------------------------------------------+</span><a name="l00011"></a>00011 <span class="comment">   |               Copyright (c) 2007-2009 Vincent ROGIER                 |</span><a name="l00012"></a>00012 <span class="comment">   +----------------------------------------------------------------------+</span><a name="l00013"></a>00013 <span class="comment">   | This library is free software; you can redistribute it and/or        |</span><a name="l00014"></a>00014 <span class="comment">   | modify it under the terms of the GNU Library General Public          |</span><a name="l00015"></a>00015 <span class="comment">   | License as published by the Free Software Foundation; either         |</span><a name="l00016"></a>00016 <span class="comment">   | version 2 of the License, or (at your option) any later version.     |</span><a name="l00017"></a>00017 <span class="comment">   |                                                                      |</span><a name="l00018"></a>00018 <span class="comment">   | This library is distributed in the hope that it will be useful,      |</span><a name="l00019"></a>00019 <span class="comment">   | but WITHOUT ANY WARRANTY; without even the implied warranty of       |</span><a name="l00020"></a>00020 <span class="comment">   | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU    |</span><a name="l00021"></a>00021 <span class="comment">   | Library General Public License for more details.                     |</span><a name="l00022"></a>00022 <span class="comment">   |                                                                      |</span><a name="l00023"></a>00023 <span class="comment">   | You should have received a copy of the GNU Library General Public    |</span><a name="l00024"></a>00024 <span class="comment">   | License along with this library; if not, write to the Free           |</span><a name="l00025"></a>00025 <span class="comment">   | Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.   |</span><a name="l00026"></a>00026 <span class="comment">   +----------------------------------------------------------------------+</span><a name="l00027"></a>00027 <span class="comment">   |          Author: Vincent ROGIER &lt;vince.rogier@gmail.com&gt;             |</span><a name="l00028"></a>00028 <span class="comment">   +----------------------------------------------------------------------+ </span><a name="l00029"></a>00029 <span class="comment">*/</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00032"></a>00032 <span class="comment"> * $Id: threadkey.c, v 3.2.0 2009/04/20 00:00 Vince $</span><a name="l00033"></a>00033 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#include "ocilib_internal.h"</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="comment">/* ************************************************************************ *</span><a name="l00038"></a>00038 <span class="comment"> *                             PRIVATE FUNCTIONS</span><a name="l00039"></a>00039 <span class="comment"> * ************************************************************************ */</span><a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00042"></a>00042 <span class="comment"> * OCI_ThreadKeyCreateInternal</span><a name="l00043"></a>00043 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00044"></a>00044 <a name="l00045"></a>00045 OCI_ThreadKey * OCI_ThreadKeyCreateInternal(POCI_THREADKEYDEST destfunc)<a name="l00046"></a>00046 {<a name="l00047"></a>00047     <span class="keywordtype">boolean</span>  res       = TRUE;<a name="l00048"></a>00048     OCI_ThreadKey *key = NULL;<a name="l00049"></a>00049 <a name="l00050"></a>00050     <span class="comment">/* allocate key structure */</span><a name="l00051"></a>00051 <a name="l00052"></a>00052     key = (OCI_ThreadKey *) OCI_MemAlloc(OCI_IPC_THREADKEY, <span class="keyword">sizeof</span>(*key), 1, TRUE);<a name="l00053"></a>00053 <a name="l00054"></a>00054     <span class="keywordflow">if</span> (key != NULL)<a name="l00055"></a>00055     {<a name="l00056"></a>00056         <span class="comment">/* allocate error handle */</span><a name="l00057"></a>00057 <a name="l00058"></a>00058         res = (OCI_SUCCESS == OCI_HandleAlloc(OCILib.env, <a name="l00059"></a>00059                                               (dvoid **) (<span class="keywordtype">void</span> *) &amp;key-&gt;err,<a name="l00060"></a>00060                                               OCI_HTYPE_ERROR, 0,<a name="l00061"></a>00061                                               (dvoid **) NULL));<a name="l00062"></a>00062 <a name="l00063"></a>00063         <span class="comment">/* key initialization */</span><a name="l00064"></a>00064 <a name="l00065"></a>00065         OCI_CALL3<a name="l00066"></a>00066         (<a name="l00067"></a>00067             res, key-&gt;err,<a name="l00068"></a>00068             <a name="l00069"></a>00069             OCIThreadKeyInit(OCILib.env, key-&gt;err, &amp;key-&gt;handle, destfunc)<a name="l00070"></a>00070         )<a name="l00071"></a>00071     }<a name="l00072"></a>00072     <span class="keywordflow">else</span><a name="l00073"></a>00073         res = FALSE;<a name="l00074"></a>00074 <a name="l00075"></a>00075     <span class="comment">/* check errors */</span><a name="l00076"></a>00076 <a name="l00077"></a>00077     <span class="keywordflow">if</span> (res == FALSE)<a name="l00078"></a>00078     {<a name="l00079"></a>00079         OCI_ThreadKeyFree(key);<a name="l00080"></a>00080         key = NULL;<a name="l00081"></a>00081     }<a name="l00082"></a>00082 <a name="l00083"></a>00083     <span class="keywordflow">return</span> key;<a name="l00084"></a>00084 }<a name="l00085"></a>00085 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00086"></a>00086 <span class="comment"> * OCI_ThreadKeyFree</span><a name="l00087"></a>00087 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordtype">boolean</span> OCI_ThreadKeyFree(OCI_ThreadKey *key)<a name="l00090"></a>00090 {<a name="l00091"></a>00091     <span class="keywordtype">boolean</span> res = TRUE;<a name="l00092"></a>00092 <a name="l00093"></a>00093     OCI_CHECK(key == NULL, FALSE);<a name="l00094"></a>00094 <a name="l00095"></a>00095     <span class="comment">/* close key handle */</span><a name="l00096"></a>00096 <a name="l00097"></a>00097     <span class="keywordflow">if</span> (key-&gt;handle != NULL)<a name="l00098"></a>00098     {<a name="l00099"></a>00099         OCI_CALL0<a name="l00100"></a>00100         (<a name="l00101"></a>00101             res, key-&gt;err, <a name="l00102"></a>00102             <a name="l00103"></a>00103             OCIThreadKeyDestroy(OCILib.env, key-&gt;err, &amp;key-&gt;handle)<a name="l00104"></a>00104         )<a name="l00105"></a>00105     }<a name="l00106"></a>00106 <a name="l00107"></a>00107     <span class="comment">/* close error handle */</span><a name="l00108"></a>00108 <a name="l00109"></a>00109     <span class="keywordflow">if</span> (key-&gt;err != NULL)<a name="l00110"></a>00110     {<a name="l00111"></a>00111         OCI_HandleFree(key-&gt;err, OCI_HTYPE_ERROR);<a name="l00112"></a>00112     }<a name="l00113"></a>00113 <a name="l00114"></a>00114     <span class="comment">/* free key structure */</span><a name="l00115"></a>00115 <a name="l00116"></a>00116     OCI_FREE(key);<a name="l00117"></a>00117 <a name="l00118"></a>00118     OCI_RESULT(res);<a name="l00119"></a>00119 <a name="l00120"></a>00120     <span class="keywordflow">return</span> res;<a name="l00121"></a>00121 }<a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="comment">/* ------------------------------------------------------------------------ *</span>

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