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<div class="headertitle"><div class="title">H5FD_ioc_config_t Struct Reference</div></div>
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<p><code>#include <src/H5FDsubfiling/H5FDioc.h></code></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Configuration structure for <a class="el" href="group___f_a_p_l.html#ga714340ec9cbb65cb0a819e1d775825f0" title="Modifies the specified File Access Property List to use the H5FD_IOC driver.">H5Pset_fapl_ioc()</a> / <a class="el" href="group___f_a_p_l.html#ga8482cdac1272818e4e0f86a665f8ef98" title="Queries a File Access Property List for H5FD_IOC file driver properties.">H5Pget_fapl_ioc()</a> </p>
<p><a class="el" href="struct_h5_f_d__ioc__config__t.html" title="Configuration structure for H5Pset_fapl_ioc() / H5Pget_fapl_ioc()">H5FD_ioc_config_t</a> is a public structure that is used to pass configuration data to the <a class="el" href="_h5_f_dioc_8h.html#a9d6649a67050fb1101cca3596421b986">H5FD_IOC</a> driver via a File Access Property List. A pointer to an instance of this structure is a parameter to <a class="el" href="group___f_a_p_l.html#ga714340ec9cbb65cb0a819e1d775825f0" title="Modifies the specified File Access Property List to use the H5FD_IOC driver.">H5Pset_fapl_ioc()</a> and <a class="el" href="group___f_a_p_l.html#ga8482cdac1272818e4e0f86a665f8ef98" title="Queries a File Access Property List for H5FD_IOC file driver properties.">H5Pget_fapl_ioc()</a>. </p>
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Data Fields</h2></td></tr>
<tr class="memitem:a57f54349f4fd1cbbb52058812e146af2" id="r_a57f54349f4fd1cbbb52058812e146af2"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#a57f54349f4fd1cbbb52058812e146af2">magic</a></td></tr>
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<tr class="memitem:afa099e28075dad5d1cb509e847bedb9f" id="r_afa099e28075dad5d1cb509e847bedb9f"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#afa099e28075dad5d1cb509e847bedb9f">thread_pool_size</a></td></tr>
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<h2 class="groupheader">Field Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a57f54349f4fd1cbbb52058812e146af2">◆ </a></span>magic</h2>
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<td class="memname">uint32_t magic</td>
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<p>A somewhat unique number which distinguishes the <a class="el" href="_h5_f_dioc_8h.html#a9d6649a67050fb1101cca3596421b986">H5FD_IOC</a> driver from other drivers. Used in combination with a version number, it can help to validate a user-generated File Access Property List. This field should be set to <a class="el" href="_h5_f_dioc_8h.html#af37c70faac9bf49fabb12e6b317267a9">H5FD_IOC_FAPL_MAGIC</a>. </p>
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<a id="afa099e28075dad5d1cb509e847bedb9f" name="afa099e28075dad5d1cb509e847bedb9f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afa099e28075dad5d1cb509e847bedb9f">◆ </a></span>thread_pool_size</h2>
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<td class="memname">int32_t thread_pool_size</td>
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<p>The number of I/O concentrator worker threads to use.</p>
<p>This value can also be set or adjusted with the <a class="el" href="_h5_f_dioc_8h.html#a4a6f4e95278aebf8a830585a2607648a">H5FD_IOC_THREAD_POOL_SIZE</a> environment variable. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acd99bb05ca015e7d74448acb1deba7ca">◆ </a></span>version</h2>
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<td class="memname">uint32_t version</td>
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<p>Version number of the <a class="el" href="struct_h5_f_d__ioc__config__t.html" title="Configuration structure for H5Pset_fapl_ioc() / H5Pget_fapl_ioc()">H5FD_ioc_config_t</a> structure. Any instance passed to <a class="el" href="group___f_a_p_l.html#ga714340ec9cbb65cb0a819e1d775825f0" title="Modifies the specified File Access Property List to use the H5FD_IOC driver.">H5Pset_fapl_ioc()</a> / <a class="el" href="group___f_a_p_l.html#ga8482cdac1272818e4e0f86a665f8ef98" title="Queries a File Access Property List for H5FD_IOC file driver properties.">H5Pget_fapl_ioc()</a> must have a recognized version number or an error will be raised. Currently, this field should be set to <a class="el" href="_h5_f_dioc_8h.html#aa868930a086c6686ada02d9282e7e440">H5FD_IOC_CURR_FAPL_VERSION</a>. </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>src/H5FDsubfiling/<a class="el" href="_h5_f_dioc_8h.html">H5FDioc.h</a></li>
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