1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>DB_ENV->set_verbose()</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="env.html" title="Chapter��5.�� The DB_ENV Handle" /> 11 <link rel="prev" href="envset_tmp_dir.html" title="DB_ENV->set_tmp_dir()" /> 12 <link rel="next" href="envstat.html" title="DB_ENV->stat_print()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_ENV->set_verbose()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="envset_tmp_dir.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��5.�� 23 The DB_ENV Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="envstat.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="envset_verbose"></a>DB_ENV->set_verbose()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->set_verbose(DB_ENV *dbenv, u_int32_t which, int onoff); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->set_verbose()</code> method turns specific additional 44 informational and debugging messages in the Berkeley DB message output 45 on and off. To see the additional messages, verbose messages must 46 also be configured for the application. For more information on 47 verbose messages, see the <a class="xref" href="envset_msgfile.html" title="DB_ENV->set_msgfile()">DB_ENV->set_msgfile()</a> 48 method. 49 </p> 50 <p> 51 The database environment's messages may also be configured using the 52 environment's <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file. The 53 syntax of the entry in that file is a single line with the string 54 "set_verbose", one or more whitespace characters, and the method 55 <span class="bold"><strong>which</strong></span> parameter as a string; for 56 example, "set_verbose DB_VERB_RECOVERY". Because the <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file is 57 read when the database environment is opened, it will silently 58 overrule configuration done before that time. 59 </p> 60 <p> 61 The <code class="methodname">DB_ENV->set_verbose()</code> method configures operations performed 62 using the specified <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a> handle, not all 63 operations performed on the underlying database environment. 64 </p> 65 <p> 66 The <code class="methodname">DB_ENV->set_verbose()</code> method may be called at any time during the 67 life of the application. 68 </p> 69 <p> 70 The <code class="methodname">DB_ENV->set_verbose()</code> <span> 71 <span> 72 method returns a non-zero error value on failure and 0 on success. 73 </span> 74 75 </span> 76 </p> 77 <div class="sect2" lang="en" xml:lang="en"> 78 <div class="titlepage"> 79 <div> 80 <div> 81 <h3 class="title"><a id="id1673044"></a>Parameters</h3> 82 </div> 83 </div> 84 </div> 85 <div class="sect3" lang="en" xml:lang="en"> 86 <div class="titlepage"> 87 <div> 88 <div> 89 <h4 class="title"><a id="id1673462"></a>onoff</h4> 90 </div> 91 </div> 92 </div> 93 <p> 94 If the <span class="bold"><strong>onoff</strong></span> parameter is set to 95 non-zero, the additional messages are output. 96 </p> 97 </div> 98 <div class="sect3" lang="en" xml:lang="en"> 99 <div class="titlepage"> 100 <div> 101 <div> 102 <h4 class="title"><a id="id1673506"></a>which</h4> 103 </div> 104 </div> 105 </div> 106 <p> 107 The <span class="bold"><strong>which</strong></span> parameter must be set to 108 one of the following values: 109 </p> 110 <div class="itemizedlist"> 111 <ul type="disc"> 112 <li> 113 <p><a id="set_verbose_DB_VERB_DEADLOCK"></a> 114 <code class="literal">DB_VERB_DEADLOCK</code> 115 </p> 116 <p> 117 Display additional information when doing deadlock detection. 118 </p> 119 </li> 120 <li> 121 <p><a id="set_verbose_DB_VERB_FILEOPS"></a> 122 <code class="literal">DB_VERB_FILEOPS</code> 123 </p> 124 <p> 125 Display additional information when performing filesystem operations 126 such as open, close or rename. May not be available on all platforms. 127 </p> 128 </li> 129 <li> 130 <p><a id="set_verbose_DB_VERB_FILEOPS_ALL"></a> 131 <code class="literal">DB_VERB_FILEOPS_ALL</code> 132 </p> 133 <p> 134 Display additional information when performing all filesystem 135 operations, including read and write. May not be available on all 136 platforms. 137 </p> 138 </li> 139 <li> 140 <p><a id="set_verbose_DB_VERB_RECOVERY"></a> 141 <code class="literal">DB_VERB_RECOVERY</code> 142 </p> 143 <p> 144 Display additional information when performing recovery. 145 </p> 146 </li> 147 <li> 148 <p><a id="set_verbose_DB_VERB_REGISTER"></a> 149 <code class="literal">DB_VERB_REGISTER</code> 150 </p> 151 <p> 152 Display additional information concerning support for the 153 <a class="link" href="envopen.html#envopen_DB_REGISTER">DB_REGISTER</a> flag to 154 the <a class="xref" href="envopen.html" title="DB_ENV->open()">DB_ENV->open()</a> 155 method. 156 </p> 157 </li> 158 <li> 159 <p><a id="set_verbose_DB_VERB_REPLICATION"></a> 160 <code class="literal">DB_VERB_REPLICATION</code> 161 </p> 162 <p> 163 Display all detailed information about replication. This includes the 164 information displayed by all of the other DB_VERB_REP_* and 165 DB_VERB_REPMGR_* values. 166 </p> 167 </li> 168 <li> 169 <p><a id="set_verbose_DB_VERB_REP_ELECT"></a> 170 <code class="literal">DB_VERB_REP_ELECT</code> 171 </p> 172 <p> 173 Display detailed information about replication elections. 174 </p> 175 </li> 176 <li> 177 <p><a id="set_verbose_DB_VERB_REP_LEASE"></a> 178 <code class="literal">DB_VERB_REP_LEASE</code> 179 </p> 180 <p> 181 Display detailed information about replication master leases. 182 </p> 183 </li> 184 <li> 185 <p><a id="set_verbose_DB_VERB_REP_MISC"></a> 186 <code class="literal">DB_VERB_REP_MISC</code> 187 </p> 188 <p> 189 Display detailed information about general replication processing not 190 covered by the other DB_VERB_REP_* values. 191 </p> 192 </li> 193 <li> 194 <p><a id="set_verbose_DB_VERB_REP_MSGS"></a> 195 <code class="literal">DB_VERB_REP_MSGS</code> 196 </p> 197 <p> 198 Display detailed information about replication message processing. 199 </p> 200 </li> 201 <li> 202 <p><a id="set_verbose_DB_VERB_REP_SYNC"></a> 203 <code class="literal">DB_VERB_REP_SYNC</code> 204 </p> 205 <p> 206 Display detailed information about replication client synchronization. 207 </p> 208 </li> 209 <li> 210 <p><a id="set_verbose_DB_VERB_REPMGR_CONNFAIL"></a> 211 <code class="literal">DB_VERB_REPMGR_CONNFAIL</code> 212 </p> 213 <p> 214 Display detailed information about Replication Manager connection 215 failures. 216 </p> 217 </li> 218 <li> 219 <p><a id="set_verbose_DB_VERB_REPMGR_MISC"></a> 220 <code class="literal">DB_VERB_REPMGR_MISC</code> 221 </p> 222 <p> 223 Display detailed information about general Replication Manager 224 processing. 225 </p> 226 </li> 227 <li> 228 <p><a id="set_verbose_DB_VERB_WAITSFOR"></a> 229 <code class="literal">DB_VERB_WAITSFOR</code> 230 </p> 231 <p> 232 Display the waits-for table when doing deadlock detection. 233 </p> 234 </li> 235 </ul> 236 </div> 237 </div> 238 </div> 239 <div class="sect2" lang="en" xml:lang="en"> 240 <div class="titlepage"> 241 <div> 242 <div> 243 <h3 class="title"><a id="id1673594"></a>Errors</h3> 244 </div> 245 </div> 246 </div> 247 <p> 248 The <code class="methodname">DB_ENV->set_verbose()</code> <span> 249 <span> 250 method may fail and return one of the following non-zero errors: 251 </span> 252 253 </span> 254 </p> 255 <div class="sect3" lang="en" xml:lang="en"> 256 <div class="titlepage"> 257 <div> 258 <div> 259 <h4 class="title"><a id="id1673987"></a>EINVAL</h4> 260 </div> 261 </div> 262 </div> 263 <p> 264 An invalid flag value or parameter was specified. 265 </p> 266 </div> 267 </div> 268 <div class="sect2" lang="en" xml:lang="en"> 269 <div class="titlepage"> 270 <div> 271 <div> 272 <h3 class="title"><a id="id1673757"></a>Class</h3> 273 </div> 274 </div> 275 </div> 276 <p> 277 <a class="link" href="env.html" title="Chapter��5.�� The DB_ENV Handle">DB_ENV</a> 278 </p> 279 </div> 280 <div class="sect2" lang="en" xml:lang="en"> 281 <div class="titlepage"> 282 <div> 283 <div> 284 <h3 class="title"><a id="id1673762"></a>See Also</h3> 285 </div> 286 </div> 287 </div> 288 <p> 289 <a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a> 290 </p> 291 </div> 292 </div> 293 <div class="navfooter"> 294 <hr /> 295 <table width="100%" summary="Navigation footer"> 296 <tr> 297 <td width="40%" align="left"><a accesskey="p" href="envset_tmp_dir.html">Prev</a>��</td> 298 <td width="20%" align="center"> 299 <a accesskey="u" href="env.html">Up</a> 300 </td> 301 <td width="40%" align="right">��<a accesskey="n" href="envstat.html">Next</a></td> 302 </tr> 303 <tr> 304 <td width="40%" align="left" valign="top">DB_ENV->set_tmp_dir()��</td> 305 <td width="20%" align="center"> 306 <a accesskey="h" href="index.html">Home</a> 307 </td> 308 <td width="40%" align="right" valign="top">��DB_ENV->stat_print()</td> 309 </tr> 310 </table> 311 </div> 312 </body> 313</html> 314