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<title>NVIDIA CUDA Library: cudaStreamQuery</title>
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<div class="navpath"><a class="el" href="group__CUDART__STREAM.html">Stream Management</a>
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<tr><td class="navtab"><a class="qindex" href="group__CUDART__STREAM_gaf38e6f47265c7da1b02724a5ad565e4.html#gaf38e6f47265c7da1b02724a5ad565e4">cudaStreamCreate</a></td></tr>
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<tr><td class="navtab"><a class="qindex" href="group__CUDART__STREAM_geb3b2f88b7c1cff8b67a998a3a41c179.html#geb3b2f88b7c1cff8b67a998a3a41c179">cudaStreamSynchronize</a></td></tr>
<tr><td class="navtab"><a class="qindex" href="group__CUDART__STREAM_gfe68d207dc965685d92d3f03d77b0876.html#gfe68d207dc965685d92d3f03d77b0876">cudaStreamWaitEvent</a></td></tr>
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<a class="anchor" name="ge78feba9080b59fe0fff536a42c13e6d"></a><!-- doxytag: member="cuda_runtime_api.h::cudaStreamQuery" ref="ge78feba9080b59fe0fff536a42c13e6d" args="(cudaStream_t stream)" -->
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<td class="memname"><a class="el" href="group__CUDART__TYPES_gf599e5b8b829ce7db0f5216928f6ecb6.html#gf599e5b8b829ce7db0f5216928f6ecb6">cudaError_t</a> cudaStreamQuery </td>
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<td class="paramtype"><a class="el" href="group__CUDART__TYPES_ge15d9c8b7a240312b533d6122558085a.html#ge15d9c8b7a240312b533d6122558085a">cudaStream_t</a> </td>
<td class="paramname"> <em>stream</em> </td>
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Returns <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591">cudaSuccess</a> if all operations in <code>stream</code> have completed, or <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038285d0c852ab65b8925505e1065563f6d">cudaErrorNotReady</a> if not.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>stream</em> </td><td>- Stream identifier</td></tr>
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</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#gg3f51e3575c2178246db0a94a430e0038285d0c852ab65b8925505e1065563f6d">cudaErrorNotReady</a> <a class="el" href="group__CUDART__TYPES_g3f51e3575c2178246db0a94a430e0038.html#gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273">cudaErrorInvalidResourceHandle</a> </dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Note that this function may also return error codes from previous, asynchronous launches.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__CUDART__STREAM_gaf38e6f47265c7da1b02724a5ad565e4.html#gaf38e6f47265c7da1b02724a5ad565e4" title="Create an asynchronous stream.">cudaStreamCreate</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__STREAM_geb3b2f88b7c1cff8b67a998a3a41c179.html#geb3b2f88b7c1cff8b67a998a3a41c179" title="Waits for stream tasks to complete.">cudaStreamSynchronize</a>, <a class="el" href="group__CUDART__STREAM_gc6150150d5a4ff527abfa6cf68a28c5f.html#gc6150150d5a4ff527abfa6cf68a28c5f" title="Destroys and cleans up an asynchronous stream.">cudaStreamDestroy</a> </dd></dl>
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