77 lines
4.0 KiB
HTML
77 lines
4.0 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Title" content="cwbSV_OpenServiceFile" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>cwbSV_OpenServiceFile</title>
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</head>
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<body id="cwbsv_openservicefile"><a name="cwbsv_openservicefile"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">cwbSV_OpenServiceFile</h1>
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<div><div class="section"><h4 class="sectiontitle">Purpose</h4>
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<p>Opens the specified service file for READ access (history log, trace file,
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and so forth) and returns a handle to it.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Syntax</h4>
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<pre>
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unsigned int CWB_ENTRY cwbSV_OpenServiceFile(
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char *serviceFileName,
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cwbSV_ServiceFileHandle *serviceFileHandle,
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cwbSV_ErrHandle errorHandle);</pre>
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</div>
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<div class="section"><h4 class="sectiontitle">Parameters</h4>
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<dl><dt class="dlterm">char * serviceFileName - input</dt>
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<dd>Points to a buffer that contains the fully-qualified name (for example,
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c:\path\filename.ext) of the service file to open.</dd>
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<dt class="dlterm">cwbSV_ServiceFileHandle * serviceFileHandle - input/output</dt>
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<dd>Pointer to a cwbSV_ServiceFileHandle where the handle will be returned.
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This handle should be used in subsequent calls to the service file functions.</dd>
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<dt class="dlterm">cwbSV_ErrHandle errorHandle - output</dt>
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<dd>Any returned messages will be written to this object. It is created
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with the cwbSV_CreateErrHandle API. The messages may be retrieved through
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the cwbSV_GetErrText API. If the parameter is set to zero, no messages will
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be retrieved.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Return Codes</h4>
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<p>The following list shows common return values.</p>
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<dl><dt class="dlterm">CWB_OK</dt>
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<dd>Successful completion.</dd>
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<dt class="dlterm">CWB_INVALID_POINTER</dt>
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<dd>NULL passed as handle address.</dd>
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<dt class="dlterm">CWB_FILE_IO_ERROR</dt>
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<dd>File could not be opened.</dd>
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<dt class="dlterm">CWB_NOT_ENOUGH_MEMORY</dt>
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<dd>Insufficient memory to create handle.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Usage</h4>
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<p>None</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaiksvcapilist4.htm" title="Use these APIs to read service files, service file records, and service file header information. Additionally, you can read history log service records, detail trace file service records, and entry/exit trace file service records.">Serviceability API list: Reading service files</a></div>
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</div>
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</div>
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</body>
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</html>
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