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<a class="anchor" name="ge9e71d935c23a5349e458a3a143925ea"></a><!-- doxytag: member="cuda_runtime_api.h::cudaIpcOpenEventHandle" ref="ge9e71d935c23a5349e458a3a143925ea" args="(cudaEvent_t *event, cudaIpcEventHandle_t handle)" -->
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          <td>(</td>
          <td class="paramtype"><a class="el" href="group__CUDART__TYPES_gea2f543a9fc0e52fe4ae712920fd1247.html#gea2f543a9fc0e52fe4ae712920fd1247">cudaEvent_t</a> *&nbsp;</td>
          <td class="paramname"> <em>event</em>, </td>
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          <td class="paramtype"><a class="el" href="group__CUDART__TYPES_g0fa4c11e548af8be2de17d709be2f0ce.html#g0fa4c11e548af8be2de17d709be2f0ce">cudaIpcEventHandle_t</a>&nbsp;</td>
          <td class="paramname"> <em>handle</em></td><td>&nbsp;</td>
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<p>
Opens an interprocess event handle exported from another process with <a class="el" href="group__CUDART__DEVICE_g7d2e89a1b53fc087fafdded0aaf29062.html#g7d2e89a1b53fc087fafdded0aaf29062" title="Gets an interprocess handle for a previously allocated event.">cudaIpcGetEventHandle</a>. This function returns a <a class="el" href="group__CUDART__TYPES_gea2f543a9fc0e52fe4ae712920fd1247.html#gea2f543a9fc0e52fe4ae712920fd1247">cudaEvent_t</a> that behaves like a locally created event with the <a class="el" href="group__CUDART__TYPES_ga5d3eff7c3623e2be533968d9cc1ee7e.html#ga5d3eff7c3623e2be533968d9cc1ee7e">cudaEventDisableTiming</a> flag specified. This event must be freed with <a class="el" href="group__CUDART__EVENT_g513a33d6c552db36be7edc5b3e9e0765.html#g513a33d6c552db36be7edc5b3e9e0765" title="Destroys an event object.">cudaEventDestroy</a>.<p>
Performing operations on the imported event after the exported event has been freed with <a class="el" href="group__CUDART__EVENT_g513a33d6c552db36be7edc5b3e9e0765.html#g513a33d6c552db36be7edc5b3e9e0765" title="Destroys an event object.">cudaEventDestroy</a> will result in undefined behavior.<p>
IPC functionality is restricted to devices with support for unified addressing on Linux operating systems.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>event</em>&nbsp;</td><td>- Returns the imported event </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>handle</em>&nbsp;</td><td>- Interprocess handle to open</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591">cudaSuccess</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038a2625b63c0940c54ed07f2986b12e0f1">cudaErrorMapBufferObjectFailed</a>, <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a></dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__CUDART__HIGHLEVEL_gb9774a7552ee76b564c8c650b083a86c.html#gb9774a7552ee76b564c8c650b083a86c" title="[C++ API] Creates an event object with the specified flags">cudaEventCreate</a>, <a class="el" href="group__CUDART__EVENT_g513a33d6c552db36be7edc5b3e9e0765.html#g513a33d6c552db36be7edc5b3e9e0765" title="Destroys an event object.">cudaEventDestroy</a>, <a class="el" href="group__CUDART__EVENT_g08241bcf5c5cb686b1882a8492f1e2d9.html#g08241bcf5c5cb686b1882a8492f1e2d9" title="Waits for an event to complete.">cudaEventSynchronize</a>, <a class="el" href="group__CUDART__EVENT_gf8e4ddb569b1da032c060f0c54da698f.html#gf8e4ddb569b1da032c060f0c54da698f" title="Queries an event&#39;s status.">cudaEventQuery</a>, <a class="el" href="group__CUDART__STREAM_gfe68d207dc965685d92d3f03d77b0876.html#gfe68d207dc965685d92d3f03d77b0876" title="Make a compute stream wait on an event.">cudaStreamWaitEvent</a>, <a class="el" href="group__CUDART__DEVICE_g7d2e89a1b53fc087fafdded0aaf29062.html#g7d2e89a1b53fc087fafdded0aaf29062" title="Gets an interprocess handle for a previously allocated event.">cudaIpcGetEventHandle</a>, <a class="el" href="group__CUDART__DEVICE_ga682d4aea57e8adb6c72330b78900616.html#ga682d4aea57e8adb6c72330b78900616">cudaIpcGetMemHandle</a>, <a class="el" href="group__CUDART__DEVICE_g12ff06c07a4d4134f0eefbd5cf3ba216.html#g12ff06c07a4d4134f0eefbd5cf3ba216">cudaIpcOpenMemHandle</a>, <a class="el" href="group__CUDART__DEVICE_g96302370e5c325b212378b04a536ac26.html#g96302370e5c325b212378b04a536ac26">cudaIpcCloseMemHandle</a> </dd></dl>

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