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| <div class="headertitle"><div class="title">zos-setlibpath.h</div></div> |
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| <a href="zos-setlibpath_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed Materials - Property of IBM</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// ZOSLIB</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// (C) Copyright IBM Corp. 2021. All Rights Reserved.</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// US Government Users Restricted Rights - Use, duplication</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef ZOS_SETLIBPATH_H_</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define ZOS_SETLIBPATH_H_</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include "<a class="code" href="zos-macros_8h.html">zos-macros.h</a>"</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <libgen.h></span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <sstream></span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <sys/ps.h></span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="foldopen" id="foldopen00018" data-start="{" data-end="};"> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="class____setlibpath.html"> 18</a></span><span class="keyword">class </span><a class="code hl_define" href="zos-macros_8h.html#aed7e0d9f32e1ea73439ac0386ffaaa8d">__Z_EXPORT</a> <a class="code hl_class" href="class____setlibpath.html">__setlibpath</a> {</div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">public</span>:</div> |
| <div class="foldopen" id="foldopen00020" data-start="{" data-end="}"> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="class____setlibpath.html#a91aa46d44954c6c8ee87b988e2956cfc"> 20</a></span> <a class="code hl_function" href="class____setlibpath.html#a91aa46d44954c6c8ee87b988e2956cfc">__setlibpath</a>() {</div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> std::vector<char> argv(512, 0);</div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> std::vector<char> parent(512, 0);</div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> W_PSPROC buf;</div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keywordtype">int</span> token = 0;</div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> pid_t mypid = getpid();</div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> memset(&buf, 0, <span class="keyword">sizeof</span>(buf));</div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> buf.ps_pathlen = argv.size();</div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> buf.ps_pathptr = &argv[0];</div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">while</span> ((token = w_getpsent(token, &buf, <span class="keyword">sizeof</span>(buf))) > 0) {</div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">if</span> (buf.ps_pid == mypid) {</div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="comment">/* Found our process. */</span></div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="comment">/*</span></div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment"> * Resolve path to find true location of executable; don't use an</span></div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment"> * overridden realpath function from zoslib, since this header may</span></div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment"> * be used in an exe before libzoslib.so has been loaded.</span></div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">if</span> (__realpath_a(&argv[0], &parent[0]) == NULL)</div> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/* Get parent directory. */</span></div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> dirname(&parent[0]);</div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="comment">/* Get parent's parent directory. */</span></div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> std::vector<char> parent2(parent.begin(), parent.end());</div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> dirname(&parent2[0]);</div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">/* Append new paths to libpath. */</span></div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> std::ostringstream libpath;</div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> libpath << getenv(<span class="stringliteral">"LIBPATH"</span>);</div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> libpath << <span class="stringliteral">":"</span> << &parent[0] << <span class="stringliteral">"/lib.target/"</span>;</div> |
| <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> libpath << <span class="stringliteral">":"</span> << &parent[0] << <span class="stringliteral">"/lib/"</span>;</div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> libpath << <span class="stringliteral">":"</span> << &parent2[0] << <span class="stringliteral">"/lib/"</span>;</div> |
| <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> setenv(<span class="stringliteral">"LIBPATH"</span>, libpath.str().c_str(), 1);</div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> }</div> |
| <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> }</div> |
| <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> }</div> |
| </div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>};</div> |
| </div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#endif </span><span class="comment">// ZOS_SETLIBPATH_H_</span></div> |
| <div class="ttc" id="aclass____setlibpath_html"><div class="ttname"><a href="class____setlibpath.html">__setlibpath</a></div><div class="ttdef"><b>Definition</b> zos-setlibpath.h:18</div></div> |
| <div class="ttc" id="aclass____setlibpath_html_a91aa46d44954c6c8ee87b988e2956cfc"><div class="ttname"><a href="class____setlibpath.html#a91aa46d44954c6c8ee87b988e2956cfc">__setlibpath::__setlibpath</a></div><div class="ttdeci">__setlibpath()</div><div class="ttdef"><b>Definition</b> zos-setlibpath.h:20</div></div> |
| <div class="ttc" id="azos-macros_8h_html"><div class="ttname"><a href="zos-macros_8h.html">zos-macros.h</a></div></div> |
| <div class="ttc" id="azos-macros_8h_html_aed7e0d9f32e1ea73439ac0386ffaaa8d"><div class="ttname"><a href="zos-macros_8h.html#aed7e0d9f32e1ea73439ac0386ffaaa8d">__Z_EXPORT</a></div><div class="ttdeci">#define __Z_EXPORT</div><div class="ttdef"><b>Definition</b> zos-macros.h:13</div></div> |
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