<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-us" xml:lang="en-us">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
<meta http-equiv="X-UA-Compatible" content="IE=edge"></meta>
<meta name="copyright" content="(C) Copyright 2005"></meta>
<meta name="DC.rights.owner" content="(C) Copyright 2005"></meta>
<meta name="DC.Type" content="cppModule"></meta>
<meta name="DC.Title" content="Error Handling"></meta>
<meta name="abstract" content=""></meta>
<meta name="description" content=""></meta>
<meta name="DC.Format" content="XHTML"></meta>
<meta name="DC.Identifier" content="group__CUDART__ERROR"></meta>
<link rel="stylesheet" type="text/css" href="../common/formatting/commonltr.css"></link>
<link rel="stylesheet" type="text/css" href="../common/formatting/site.css"></link>
<title>CUDA Runtime API :: CUDA Toolkit Documentation</title>
<!--[if lt IE 9]>
<script src="../common/formatting/html5shiv-printshiv.min.js"></script>
<![endif]-->
<script type="text/javascript" charset="utf-8" src="../common/scripts/tynt/tynt.js"></script>
<script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.min.js"></script>
<script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.ba-hashchange.min.js"></script>
<script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.scrollintoview.min.js"></script>
<script type="text/javascript" src="../search/htmlFileList.js"></script>
<script type="text/javascript" src="../search/htmlFileInfoList.js"></script>
<script type="text/javascript" src="../search/nwSearchFnt.min.js"></script>
<script type="text/javascript" src="../search/stemmers/en_stemmer.min.js"></script>
<script type="text/javascript" src="../search/index-1.js"></script>
<script type="text/javascript" src="../search/index-2.js"></script>
<script type="text/javascript" src="../search/index-3.js"></script>
<link rel="canonical" href="http://docs.nvidia.com/cuda/cuda-runtime-api/index.html"></link>
<link rel="stylesheet" type="text/css" href="../common/formatting/qwcode.highlight.css"></link>
</head>
<body>
<header id="header"><span id="company">NVIDIA</span><span id="site-title">CUDA Toolkit Documentation</span><form id="search" method="get" action="search">
<input type="text" name="search-text"></input><fieldset id="search-location">
<legend>Search In:</legend>
<label><input type="radio" name="search-type" value="site"></input>Entire Site</label>
<label><input type="radio" name="search-type" value="document"></input>Just This Document</label></fieldset>
<button type="reset">clear search</button>
<button id="submit" type="submit">search</button></form>
</header>
<div id="site-content">
<nav id="site-nav">
<div class="category closed"><a href="../index.html" title="The root of the site.">CUDA Toolkit
v6.5</a></div>
<div class="category"><a href="index.html" title="CUDA Runtime API">CUDA Runtime API</a></div>
<ul>
<li>
<div class="section-link"><a href="api-sync-behavior.html#api-sync-behavior">1. API synchronization behavior </a></div>
</li>
<li>
<div class="section-link"><a href="stream-sync-behavior.html#stream-sync-behavior">2. Stream synchronization behavior</a></div>
</li>
<li>
<div class="section-link"><a href="modules.html#modules">3. Modules</a></div>
<ul>
<li>
<div class="section-link"><a href="group__CUDART__DEVICE.html#group__CUDART__DEVICE">3.1. Device Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED">3.2. Thread Management [DEPRECATED]</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__ERROR.html#group__CUDART__ERROR">3.3. Error Handling</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__STREAM.html#group__CUDART__STREAM">3.4. Stream Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__EVENT.html#group__CUDART__EVENT">3.5. Event Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION">3.6. Execution Control</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__OCCUPANCY.html#group__CUDART__OCCUPANCY">3.7. Occupancy</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__MEMORY.html#group__CUDART__MEMORY">3.8. Memory Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__UNIFIED.html#group__CUDART__UNIFIED">3.9. Unified Addressing</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__PEER.html#group__CUDART__PEER">3.10. Peer Device Memory Access</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__OPENGL.html#group__CUDART__OPENGL">3.11. OpenGL Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__OPENGL__DEPRECATED.html#group__CUDART__OPENGL__DEPRECATED">3.12. OpenGL Interoperability [DEPRECATED]</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D9.html#group__CUDART__D3D9">3.13. Direct3D 9 Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D9__DEPRECATED.html#group__CUDART__D3D9__DEPRECATED">3.14. Direct3D 9 Interoperability [DEPRECATED]</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D10.html#group__CUDART__D3D10">3.15. Direct3D 10 Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D10__DEPRECATED.html#group__CUDART__D3D10__DEPRECATED">3.16. Direct3D 10 Interoperability [DEPRECATED]</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D11.html#group__CUDART__D3D11">3.17. Direct3D 11 Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__D3D11__DEPRECATED.html#group__CUDART__D3D11__DEPRECATED">3.18. Direct3D 11 Interoperability [DEPRECATED]</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__VDPAU.html#group__CUDART__VDPAU">3.19. VDPAU Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__INTEROP.html#group__CUDART__INTEROP">3.20. Graphics Interoperability</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__TEXTURE.html#group__CUDART__TEXTURE">3.21. Texture Reference Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__SURFACE.html#group__CUDART__SURFACE">3.22. Surface Reference Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__TEXTURE__OBJECT.html#group__CUDART__TEXTURE__OBJECT">3.23. Texture Object Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__SURFACE__OBJECT.html#group__CUDART__SURFACE__OBJECT">3.24. Surface Object Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART____VERSION.html#group__CUDART____VERSION">3.25. Version Management</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL">3.26. C++ API Routines</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__DRIVER.html#group__CUDART__DRIVER">3.27. Interactions with the CUDA Driver API</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__PROFILER.html#group__CUDART__PROFILER">3.28. Profiler Control</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES">3.29. Data types used by CUDA Runtime</a></div>
</li>
</ul>
</li>
<li>
<div class="section-link"><a href="annotated.html#annotated">4. Data Structures</a></div>
<ul>
<li>
<div class="section-link"><a href="class____cudaOccupancyB2DHelper.html#class____cudaOccupancyB2DHelper">4.1. __cudaOccupancyB2DHelper</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaChannelFormatDesc.html#structcudaChannelFormatDesc">4.2. cudaChannelFormatDesc</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaDeviceProp.html#structcudaDeviceProp">4.3. cudaDeviceProp</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaExtent.html#structcudaExtent">4.4. cudaExtent</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaFuncAttributes.html#structcudaFuncAttributes">4.5. cudaFuncAttributes</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaIpcEventHandle__t.html#structcudaIpcEventHandle__t">4.6. cudaIpcEventHandle_t</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaIpcMemHandle__t.html#structcudaIpcMemHandle__t">4.7. cudaIpcMemHandle_t</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaMemcpy3DParms.html#structcudaMemcpy3DParms">4.8. cudaMemcpy3DParms</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaMemcpy3DPeerParms.html#structcudaMemcpy3DPeerParms">4.9. cudaMemcpy3DPeerParms</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaPitchedPtr.html#structcudaPitchedPtr">4.10. cudaPitchedPtr</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaPointerAttributes.html#structcudaPointerAttributes">4.11. cudaPointerAttributes</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaPos.html#structcudaPos">4.12. cudaPos</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaResourceDesc.html#structcudaResourceDesc">4.13. cudaResourceDesc</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaResourceViewDesc.html#structcudaResourceViewDesc">4.14. cudaResourceViewDesc</a></div>
</li>
<li>
<div class="section-link"><a href="structcudaTextureDesc.html#structcudaTextureDesc">4.15. cudaTextureDesc</a></div>
</li>
<li>
<div class="section-link"><a href="structsurfaceReference.html#structsurfaceReference">4.16. surfaceReference</a></div>
</li>
<li>
<div class="section-link"><a href="structtextureReference.html#structtextureReference">4.17. textureReference</a></div>
</li>
</ul>
</li>
<li>
<div class="section-link"><a href="functions.html#functions">5. Data Fields</a></div>
</li>
<li>
<div class="section-link"><a href="deprecated.html#deprecated">6. Deprecated List</a></div>
</li>
<li>
<div class="section-link"><a href="notices-header.html#notices-header">Notices</a></div>
<ul></ul>
</li>
</ul>
</nav>
<div id="resize-nav"></div>
<nav id="search-results">
<h2>Search Results</h2>
<ol></ol>
</nav>
<div id="contents-container">
<div id="breadcrumbs-container">
<div id="breadcrumbs"><a href="group__CUDART__THREAD__DEPRECATED.html" shape="rect">< Previous</a> | <a href="group__CUDART__STREAM.html" shape="rect">Next ></a></div>
<div id="release-info">CUDA Runtime API
(<a href="../../pdf/CUDA_Runtime_API.pdf">PDF</a>)
-
v6.5
(<a href="https://developer.nvidia.com/cuda-toolkit-archive">older</a>)
-
Last updated August 1, 2014
-
<a href="mailto:cudatools@nvidia.com?subject=CUDA Toolkit Documentation Feedback: CUDA Runtime API">Send Feedback</a>
-
<span class="st_facebook"></span><span class="st_twitter"></span><span class="st_linkedin"></span><span class="st_reddit"></span><span class="st_slashdot"></span><span class="st_tumblr"></span><span class="st_sharethis"></span></div>
</div>
<article id="contents">
<div class="topic reference apiRef apiPackage cppModule" id="group__CUDART__ERROR"><a name="group__CUDART__ERROR" shape="rect">
<!-- --></a><h2 class="topictitle2 cppModule">3.3. Error Handling</h2>
<div class="section">
<p>This section describes the error handling functions of the CUDA runtime application programming interface. </p>
</div>
<h3 class="fake_sectiontitle member_header">Functions</h3>
<dl class="members">
<dt><span class="member_long_type">const __cudart_builtin__ char* </span><span class="member_name_long_type"><a href="#group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" shape="rect">cudaGetErrorName</a> ( <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a><span> </span><span class="keyword keyword apiItemName">error</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Returns the string representation of an error code enum name. </span></dd>
<dt><span class="member_long_type">const __cudart_builtin__ char* </span><span class="member_name_long_type"><a href="#group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" shape="rect">cudaGetErrorString</a> ( <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a><span> </span><span class="keyword keyword apiItemName">error</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Returns the description string for an error code. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" shape="rect">cudaGetLastError</a> ( void ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Returns the last error from a runtime call. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" shape="rect">cudaPeekAtLastError</a> ( void ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Returns the last error from a runtime call. </span></dd>
</dl>
<div class="description">
<h3 class="sectiontitle">Functions</h3>
<dl class="description">
<dt class="description"><a name="group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" id="group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" shape="rect">
<!-- --></a><span>const __cudart_builtin__ char* cudaGetErrorName ( <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a><span> </span><span class="keyword keyword apiItemName">error</span> ) </span></dt>
<dd class="description">
<div class="section">Returns the string representation of an error code enum name. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">error</span></tt></dt>
<dd>- Error code to convert to string</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><tt class="ph tt code">char*</tt> pointer to a NULL-terminated string, or NULL if the error code is not valid.
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Returns a string containing the name of an error code in the enum, or NULL if the error code is not valid.</p>
<p class="p"></p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" title="Returns the description string for an error code." shape="rect">cudaGetErrorString</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" title="Returns the last error from a runtime call." shape="rect">cudaGetLastError</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" title="Returns the last error from a runtime call." shape="rect">cudaPeekAtLastError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g3f51e3575c2178246db0a94a430e0038" shape="rect">cudaError</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" id="group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" shape="rect">
<!-- --></a><span>const __cudart_builtin__ char* cudaGetErrorString ( <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a><span> </span><span class="keyword keyword apiItemName">error</span> ) </span></dt>
<dd class="description">
<div class="section">Returns the description string for an error code. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">error</span></tt></dt>
<dd>- Error code to convert to string</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><tt class="ph tt code">char*</tt> pointer to a NULL-terminated string, or NULL if the error code is not valid.
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Returns the description string for an error code, or NULL if the error code is not valid.</p>
<p class="p"></p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" title="Returns the string representation of an error code enum name." shape="rect">cudaGetErrorName</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" title="Returns the last error from a runtime call." shape="rect">cudaGetLastError</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" title="Returns the last error from a runtime call." shape="rect">cudaPeekAtLastError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g3f51e3575c2178246db0a94a430e0038" shape="rect">cudaError</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" id="group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaGetLastError ( void ) </span></dt>
<dd class="description">
<div class="section">Returns the last error from a runtime call. </div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00387697c0ee1bf14e2545f1272ac03ee3a2" shape="rect">cudaErrorMissingConfiguration</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038f210f50ae7f17f655e0504929606add9" shape="rect">cudaErrorMemoryAllocation</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ce7993a88ecf2c57b8102d55d997a18c" shape="rect">cudaErrorInitializationError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038099def426efea2b2366d8d7ad09f974a" shape="rect">cudaErrorLaunchFailure</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00384ea7f1214c348f64f565ca860933e5a5" shape="rect">cudaErrorLaunchTimeout</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038dfddff5cba4a975a67b298ee0752f714" shape="rect">cudaErrorLaunchOutOfResources</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038d3934977826b2e1488dfeb7e0614e776" shape="rect">cudaErrorInvalidConfiguration</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038938c6e8b96ecde62e3ab5137156f739a" shape="rect">cudaErrorInvalidDevice</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00383e8aef5398ee38e28ed41e357b48917c" shape="rect">cudaErrorInvalidValue</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038225c65c0348cced651d5dd87ccc22f48" shape="rect">cudaErrorInvalidPitchValue</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e003801a4a97f3060ec714ffa9dd650b9213a" shape="rect">cudaErrorInvalidSymbol</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ba65258730d554f6ff59adc57a7a9b18" shape="rect">cudaErrorUnmapBufferObjectFailed</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00386b9b87743cdcc5c5de484d96be0bb620" shape="rect">cudaErrorInvalidHostPointer</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00385fa2f00ab72ab5cf649a0a32351a20bf" shape="rect">cudaErrorInvalidDevicePointer</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e4312b7621ebad05ce494249474a7e11" shape="rect">cudaErrorInvalidTexture</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00382e73e27da21d74d0de9eaa8bcd61b527" shape="rect">cudaErrorInvalidTextureBinding</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00385abd0c4b36ef85f853c51bc18c516e0b" shape="rect">cudaErrorInvalidChannelDescriptor</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e003872ce39cee8ef48a83b0191b2e33d2630" shape="rect">cudaErrorInvalidMemcpyDirection</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038a4dc8c42993939bd4d3b0399dce9236b" shape="rect">cudaErrorInvalidFilterSetting</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00387a9f85073ed9240040e505cb48db68ef" shape="rect">cudaErrorInvalidNormSetting</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00382e491daacef266c7b3e3c1e140a6133c" shape="rect">cudaErrorUnknown</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273" shape="rect">cudaErrorInvalidResourceHandle</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038f5e52d1774934b77ba55d2aa2c063067" shape="rect">cudaErrorInsufficientDriver</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038a906ddf08d574274bf7334adb1497550" shape="rect">cudaErrorSetOnActiveProcess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00381c7fe018f3f2d9ede149e96d7379c9c5" shape="rect">cudaErrorStartupFailure</a>,
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Returns the last error that has been produced by any of the runtime calls in the same host thread and resets it to <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>.
</p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" title="Returns the last error from a runtime call." shape="rect">cudaPeekAtLastError</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" title="Returns the string representation of an error code enum name." shape="rect">cudaGetErrorName</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" title="Returns the description string for an error code." shape="rect">cudaGetErrorString</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g3f51e3575c2178246db0a94a430e0038" shape="rect">cudaError</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" id="group__CUDART__ERROR_1gd46da25e4ff94015fd069f54819d6b4f" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaPeekAtLastError ( void ) </span></dt>
<dd class="description">
<div class="section">Returns the last error from a runtime call. </div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00387697c0ee1bf14e2545f1272ac03ee3a2" shape="rect">cudaErrorMissingConfiguration</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038f210f50ae7f17f655e0504929606add9" shape="rect">cudaErrorMemoryAllocation</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ce7993a88ecf2c57b8102d55d997a18c" shape="rect">cudaErrorInitializationError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038099def426efea2b2366d8d7ad09f974a" shape="rect">cudaErrorLaunchFailure</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00384ea7f1214c348f64f565ca860933e5a5" shape="rect">cudaErrorLaunchTimeout</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038dfddff5cba4a975a67b298ee0752f714" shape="rect">cudaErrorLaunchOutOfResources</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038d3934977826b2e1488dfeb7e0614e776" shape="rect">cudaErrorInvalidConfiguration</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038938c6e8b96ecde62e3ab5137156f739a" shape="rect">cudaErrorInvalidDevice</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00383e8aef5398ee38e28ed41e357b48917c" shape="rect">cudaErrorInvalidValue</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038225c65c0348cced651d5dd87ccc22f48" shape="rect">cudaErrorInvalidPitchValue</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e003801a4a97f3060ec714ffa9dd650b9213a" shape="rect">cudaErrorInvalidSymbol</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ba65258730d554f6ff59adc57a7a9b18" shape="rect">cudaErrorUnmapBufferObjectFailed</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00386b9b87743cdcc5c5de484d96be0bb620" shape="rect">cudaErrorInvalidHostPointer</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00385fa2f00ab72ab5cf649a0a32351a20bf" shape="rect">cudaErrorInvalidDevicePointer</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e4312b7621ebad05ce494249474a7e11" shape="rect">cudaErrorInvalidTexture</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00382e73e27da21d74d0de9eaa8bcd61b527" shape="rect">cudaErrorInvalidTextureBinding</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00385abd0c4b36ef85f853c51bc18c516e0b" shape="rect">cudaErrorInvalidChannelDescriptor</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e003872ce39cee8ef48a83b0191b2e33d2630" shape="rect">cudaErrorInvalidMemcpyDirection</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038a4dc8c42993939bd4d3b0399dce9236b" shape="rect">cudaErrorInvalidFilterSetting</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00387a9f85073ed9240040e505cb48db68ef" shape="rect">cudaErrorInvalidNormSetting</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00382e491daacef266c7b3e3c1e140a6133c" shape="rect">cudaErrorUnknown</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038c4673247aee4d1ab8d07871f376e0273" shape="rect">cudaErrorInvalidResourceHandle</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038f5e52d1774934b77ba55d2aa2c063067" shape="rect">cudaErrorInsufficientDriver</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038a906ddf08d574274bf7334adb1497550" shape="rect">cudaErrorSetOnActiveProcess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00381c7fe018f3f2d9ede149e96d7379c9c5" shape="rect">cudaErrorStartupFailure</a>,
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Returns the last error that has been produced by any of the runtime calls in the same host thread. Note that this call does
not reset the error to <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a> like <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" title="Returns the last error from a runtime call." shape="rect">cudaGetLastError()</a>.
</p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g1a56a496eabe915752bf72d9574d1b69" title="Returns the last error from a runtime call." shape="rect">cudaGetLastError</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g9d6ddcd0e0fa61d7ecc33548974a474e" title="Returns the string representation of an error code enum name." shape="rect">cudaGetErrorName</a>, <a class="xref" href="group__CUDART__ERROR.html#group__CUDART__ERROR_1g53be96d1df85202fd48c69043b659a79" title="Returns the description string for an error code." shape="rect">cudaGetErrorString</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g3f51e3575c2178246db0a94a430e0038" shape="rect">cudaError</a></p>
<p class="p"></p>
</div>
</dd>
</dl>
</div>
</div>
<hr id="contents-end"></hr>
</article>
</div>
</div>
<script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/formatting/common.min.js"></script>
<script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/scripts/google-analytics/google-analytics-write.js"></script>
<script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/scripts/google-analytics/google-analytics-tracker.js"></script>
<script type="text/javascript">var switchTo5x=true;</script><script type="text/javascript" src="http://w.sharethis.com/button/buttons.js"></script><script type="text/javascript">stLight.options({publisher: "998dc202-a267-4d8e-bce9-14debadb8d92", doNotHash: false, doNotCopy: false, hashAddressBar: false});</script></body>
</html>
distrib
>
Mageia
>
5
>
x86_64
>
media
>
nonfree-updates
>
by-pkgid
>
fd8445e7e4d58b8cfe6e0150bd441ee1
>
files
>
1154
