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📄 threadkey_8c-source.html

📁 ORACLE编程的好东西,纯C写的OCI封装.很好用,支持数据池.
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<a name="l00123"></a>00123 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordtype">boolean</span> OCI_ThreadKeySet(OCI_ThreadKey *key, <span class="keywordtype">void</span> *value)<a name="l00126"></a>00126 {<a name="l00127"></a>00127     <span class="keywordtype">boolean</span> res = TRUE;<a name="l00128"></a>00128 <a name="l00129"></a>00129     OCI_CHECK(key == NULL, FALSE);<a name="l00130"></a>00130 <a name="l00131"></a>00131     OCI_CALL3<a name="l00132"></a>00132     (<a name="l00133"></a>00133         res, key-&gt;err, <a name="l00134"></a>00134         <a name="l00135"></a>00135         OCIThreadKeySet(OCILib.env, key-&gt;err, key-&gt;handle, value)<a name="l00136"></a>00136      )<a name="l00137"></a>00137 <a name="l00138"></a>00138     return res;<a name="l00139"></a>00139 }<a name="l00140"></a>00140 <a name="l00141"></a>00141 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00142"></a>00142 <span class="comment"> * OCI_ThreadKeyGet</span><a name="l00143"></a>00143 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00144"></a>00144 <a name="l00145"></a>00145 <span class="keywordtype">boolean</span> OCI_ThreadKeyGet(OCI_ThreadKey* key, <span class="keywordtype">void</span> **value)<a name="l00146"></a>00146 {<a name="l00147"></a>00147     <span class="keywordtype">boolean</span> res  = TRUE;<a name="l00148"></a>00148 <a name="l00149"></a>00149     OCI_CHECK(key == NULL, FALSE);<a name="l00150"></a>00150  <a name="l00151"></a>00151     OCI_CALL3<a name="l00152"></a>00152     (<a name="l00153"></a>00153         res, key-&gt;err, <a name="l00154"></a>00154         <a name="l00155"></a>00155         OCIThreadKeyGet(OCILib.env, key-&gt;err, key-&gt;handle, value)<a name="l00156"></a>00156      )<a name="l00157"></a>00157   <a name="l00158"></a>00158     return res;<a name="l00159"></a>00159 }<a name="l00160"></a>00160 <a name="l00161"></a>00161 <span class="comment">/* ************************************************************************ *</span><a name="l00162"></a>00162 <span class="comment"> *                            PUBLIC FUNCTIONS</span><a name="l00163"></a>00163 <span class="comment"> * ************************************************************************ */</span><a name="l00164"></a>00164 <a name="l00165"></a>00165 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00166"></a>00166 <span class="comment"> * OCI_ThreadKeyCreate</span><a name="l00167"></a>00167 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00168"></a>00168 <a name="l00169"></a><a class="code" href="group__g__threads.html#g77348c8397b1fdf0a4046a252fb6bd4c">00169</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__threads.html#g77348c8397b1fdf0a4046a252fb6bd4c" title="Create a thread key object.">OCI_ThreadKeyCreate</a>(mtext *name, POCI_THREADKEYDEST destfunc)<a name="l00170"></a>00170 {<a name="l00171"></a>00171     OCI_ThreadKey *key = NULL;<a name="l00172"></a>00172     <span class="keywordtype">boolean</span> res        = TRUE;<a name="l00173"></a>00173 <a name="l00174"></a>00174     OCI_CHECK_PTR(OCI_IPC_STRING, name, FALSE);<a name="l00175"></a>00175 <a name="l00176"></a>00176     OCI_CHECK_INITIALIZED(FALSE);<a name="l00177"></a>00177 <a name="l00178"></a>00178     <span class="keywordflow">if</span> (OCILib.key_map == NULL)<a name="l00179"></a>00179     {<a name="l00180"></a>00180         <span class="comment">/* create the map at the first call to OCI_ThreadKeyCreate to save</span><a name="l00181"></a>00181 <span class="comment">           time and memory when it's not needed */</span><a name="l00182"></a>00182 <a name="l00183"></a>00183         OCILib.key_map = <a class="code" href="group__g__hash.html#ga4375677fb934961a73a1f5d0de6eadd" title="Create a hash table.">OCI_HashCreate</a>(OCI_HASH_DEFAULT_SIZE, OCI_HASH_POINTER);<a name="l00184"></a>00184 <a name="l00185"></a>00185     }<a name="l00186"></a>00186 <a name="l00187"></a>00187     res = (OCILib.key_map != NULL);<a name="l00188"></a>00188 <a name="l00189"></a>00189     <span class="comment">/* create key */</span><a name="l00190"></a>00190 <a name="l00191"></a>00191     <span class="keywordflow">if</span> (res == TRUE)<a name="l00192"></a>00192     {<a name="l00193"></a>00193         key = OCI_ThreadKeyCreateInternal(destfunc);<a name="l00194"></a>00194 <a name="l00195"></a>00195         <span class="comment">/* add key to internal key hash table */</span><a name="l00196"></a>00196 <a name="l00197"></a>00197         <span class="keywordflow">if</span> (key != NULL)<a name="l00198"></a>00198             res = <a class="code" href="group__g__hash.html#g204a572b28898888512653d8148f1b9e" title="Adds a pair string key / pointer value to the hash table.">OCI_HashAddPointer</a>(OCILib.key_map, name, key);<a name="l00199"></a>00199         <span class="keywordflow">else</span><a name="l00200"></a>00200             res = FALSE;<a name="l00201"></a>00201     }<a name="l00202"></a>00202 <a name="l00203"></a>00203     <span class="comment">/* check errors */</span><a name="l00204"></a>00204 <a name="l00205"></a>00205     <span class="keywordflow">if</span> (res == FALSE)<a name="l00206"></a>00206         OCI_ThreadKeyFree(key);<a name="l00207"></a>00207 <a name="l00208"></a>00208     OCI_RESULT(res);<a name="l00209"></a>00209 <a name="l00210"></a>00210     <span class="keywordflow">return</span> res;<a name="l00211"></a>00211 }<a name="l00212"></a>00212 <a name="l00213"></a>00213 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00214"></a>00214 <span class="comment"> * OCI_ThreadKeySetValue</span><a name="l00215"></a>00215 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00216"></a>00216 <a name="l00217"></a><a class="code" href="group__g__threads.html#g0b4232385d2b82a5a35d8ff2afa046c6">00217</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__threads.html#g0b4232385d2b82a5a35d8ff2afa046c6" title="Set a thread key value.">OCI_ThreadKeySetValue</a>(mtext *name, <span class="keywordtype">void</span> *value)<a name="l00218"></a>00218 {<a name="l00219"></a>00219     <span class="keywordtype">boolean</span> res        = TRUE;<a name="l00220"></a>00220     OCI_ThreadKey *key = NULL;<a name="l00221"></a>00221 <a name="l00222"></a>00222     OCI_CHECK_PTR(OCI_IPC_STRING, name, FALSE);<a name="l00223"></a>00223 <a name="l00224"></a>00224     key = (OCI_ThreadKey *) <a class="code" href="group__g__hash.html#g4b5fe71fbbb41265efa5645e4dd5838a" title="Return a pointer associated with the given key.">OCI_HashGetPointer</a>(OCILib.key_map, name);<a name="l00225"></a>00225 <a name="l00226"></a>00226     res = OCI_ThreadKeySet(key, value);<a name="l00227"></a>00227 <a name="l00228"></a>00228     OCI_RESULT(res);<a name="l00229"></a>00229 <a name="l00230"></a>00230     <span class="keywordflow">return</span> TRUE;<a name="l00231"></a>00231 }<a name="l00232"></a>00232 <a name="l00233"></a>00233 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00234"></a>00234 <span class="comment"> * OCI_ThreadKeyGetValue</span><a name="l00235"></a>00235 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00236"></a>00236 <a name="l00237"></a><a class="code" href="group__g__threads.html#g6d02f4af58c0615e649d47d775e5fc3e">00237</a> <span class="keywordtype">void</span> * OCI_API <a class="code" href="group__g__threads.html#g6d02f4af58c0615e649d47d775e5fc3e" title="Get a thread key value.">OCI_ThreadKeyGetValue</a>(mtext *name)<a name="l00238"></a>00238 {<a name="l00239"></a>00239     <span class="keywordtype">boolean</span> res        = TRUE;<a name="l00240"></a>00240     <span class="keywordtype">void</span> * value       = NULL;<a name="l00241"></a>00241     OCI_ThreadKey* key = NULL;<a name="l00242"></a>00242 <a name="l00243"></a>00243     OCI_CHECK_PTR(OCI_IPC_STRING, name, FALSE);<a name="l00244"></a>00244 <a name="l00245"></a>00245     key = (OCI_ThreadKey *) <a class="code" href="group__g__hash.html#g4b5fe71fbbb41265efa5645e4dd5838a" title="Return a pointer associated with the given key.">OCI_HashGetPointer</a>(OCILib.key_map, name);<a name="l00246"></a>00246 <a name="l00247"></a>00247     res = OCI_ThreadKeyGet(key, &amp;value);<a name="l00248"></a>00248 <a name="l00249"></a>00249     OCI_RESULT(res);<a name="l00250"></a>00250     <a name="l00251"></a>00251     <span class="keywordflow">return</span> value;<a name="l00252"></a>00252 }</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Oct 9 10:07:45 2008 for OCILIB (C Driver for Oracle) by&nbsp;<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address></body></html>

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