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  19 <div class="titlepage"><div><div><h3 class="title">
  20 <a name="logging_sources"></a>Logging sources</h3></div></div></div>
  21 <div class="toc"><dl class="toc">
  22 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.basic_logger_hpp">Header &lt;boost/log/sources/basic_logger.hpp&gt;</a></span></dt>
  23 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.channel_feature_hpp">Header &lt;boost/log/sources/channel_feature.hpp&gt;</a></span></dt>
  24 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.channel_logger_hpp">Header &lt;boost/log/sources/channel_logger.hpp&gt;</a></span></dt>
  25 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.exception_handler_feature_hpp">Header &lt;boost/log/sources/exception_handler_feature.hpp&gt;</a></span></dt>
  26 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.features_hpp">Header &lt;boost/log/sources/features.hpp&gt;</a></span></dt>
  27 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.global_logger_storage_hpp">Header &lt;boost/log/sources/global_logger_storage.hpp&gt;</a></span></dt>
  28 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.logger_hpp">Header &lt;boost/log/sources/logger.hpp&gt;</a></span></dt>
  29 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.record_ostream_hpp">Header &lt;boost/log/sources/record_ostream.hpp&gt;</a></span></dt>
  30 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.severity_channel_logger_hpp">Header &lt;boost/log/sources/severity_channel_logger.hpp&gt;</a></span></dt>
  31 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.severity_feature_hpp">Header &lt;boost/log/sources/severity_feature.hpp&gt;</a></span></dt>
  32 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.severity_logger_hpp">Header &lt;boost/log/sources/severity_logger.hpp&gt;</a></span></dt>
  33 <dt><span class="section"><a href="logging_sources.html#header.boost.log.sources.threading_models_hpp">Header &lt;boost/log/sources/threading_models.hpp&gt;</a></span></dt>
  34 </dl></div>
  35 <div class="section">
  36 <div class="titlepage"><div><div><h4 class="title">
  37 <a name="header.boost.log.sources.basic_logger_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/basic_logger.hpp" target="_top">boost/log/sources/basic_logger.hpp</a>&gt;</h4></div></div></div>
  38 <p>Andrey Semashev </p>
  39 <p>
  40 </p>
  41 <p>08.03.2007</p>
  42 <p>
  43 The header contains implementation of a base class for loggers. Convenience macros for defining custom loggers are also provided. </p>
  44 <pre class="synopsis">
  45
  46 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS.html" title="Macro BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS">BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS</a>(class_type)
  47 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS_TEMPLATE.html" title="Macro BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS_TEMPLATE">BOOST_LOG_FORWARD_LOGGER_CONSTRUCTORS_TEMPLATE</a>(class_type)
  48 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT.html" title="Macro BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT">BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT</a>(class_type)
  49 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT_TEMPLATE.html" title="Macro BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT_TEMPLATE">BOOST_LOG_FORWARD_LOGGER_ASSIGNMENT_TEMPLATE</a>(class_type)
  50 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_MEMBERS.html" title="Macro BOOST_LOG_FORWARD_LOGGER_MEMBERS">BOOST_LOG_FORWARD_LOGGER_MEMBERS</a>(class_type)
  51 <a class="link" href="BOOST_LOG_FORWARD_LOGGER_MEMBERS_TEMPLATE.html" title="Macro BOOST_LOG_FORWARD_LOGGER_MEMBERS_TEMPLATE">BOOST_LOG_FORWARD_LOGGER_MEMBERS_TEMPLATE</a>(class_type)
  52 <a class="link" href="BOOST_LOG_DECLARE_LOGGER_TYPE.html" title="Macro BOOST_LOG_DECLARE_LOGGER_TYPE">BOOST_LOG_DECLARE_LOGGER_TYPE</a>(type_name, char_type, base_seq, threading)
  53 <a class="link" href="BOOST_LOG_DECLARE_LOGGER.html" title="Macro BOOST_LOG_DECLARE_LOGGER">BOOST_LOG_DECLARE_LOGGER</a>(type_name, base_seq)
  54 <a class="link" href="BOOST_LOG_DECLARE_LOGGER_MT.html" title="Macro BOOST_LOG_DECLARE_LOGGER_MT">BOOST_LOG_DECLARE_LOGGER_MT</a>(type_name, base_seq)
  55 <a class="link" href="BOOST_LOG_DECLARE_WLOGGER.html" title="Macro BOOST_LOG_DECLARE_WLOGGER">BOOST_LOG_DECLARE_WLOGGER</a>(type_name, base_seq)
  56 <a class="link" href="BOOST_LOG_DECLARE_WLOGGER_MT.html" title="Macro BOOST_LOG_DECLARE_WLOGGER_MT">BOOST_LOG_DECLARE_WLOGGER_MT</a>(type_name, base_seq)</pre>
  57 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  58   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
  59     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
  60       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FinalT<span class="special">,</span> <span class="keyword">typename</span> ThreadingModelT<span class="special">&gt;</span>
  61         <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_logger.html" title="Class template basic_logger">basic_logger</a><span class="special">;</span>
  62       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FinalT<span class="special">,</span> <span class="keyword">typename</span> ThreadingModelT<span class="special">,</span>
  63                <span class="keyword">typename</span> FeaturesT<span class="special">&gt;</span>
  64         <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_composite_logger.html" title="Class template basic_composite_logger">basic_composite_logger</a><span class="special">;</span>
  65
  66       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FinalT<span class="special">,</span> <span class="keyword">typename</span> FeaturesT<span class="special">&gt;</span>
  67         <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_composit_idp60525504.html" title="Class template basic_composite_logger&lt;CharT, FinalT, single_thread_model, FeaturesT&gt;">basic_composite_logger</a><span class="special">&lt;</span><span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">FinalT</span><span class="special">,</span> <span class="identifier">single_thread_model</span><span class="special">,</span> <span class="identifier">FeaturesT</span><span class="special">&gt;</span><span class="special">;</span>
  68       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FinalT<span class="special">,</span> <span class="keyword">typename</span> ThreadingModelT<span class="special">&gt;</span>
  69         <span class="keyword">void</span> <a class="link" href="boost/log/sources/swap_idp61221360.html" title="Function template swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="boost/log/sources/basic_logger.html" title="Class template basic_logger">basic_logger</a><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">FinalT</span><span class="special">,</span> <span class="identifier">ThreadingModelT</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span>
  70                   <a class="link" href="boost/log/sources/basic_logger.html" title="Class template basic_logger">basic_logger</a><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">FinalT</span><span class="special">,</span> <span class="identifier">ThreadingModelT</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  71     <span class="special">}</span>
  72   <span class="special">}</span>
  73 <span class="special">}</span></pre>
  74 </div>
  75 <div class="section">
  76 <div class="titlepage"><div><div><h4 class="title">
  77 <a name="header.boost.log.sources.channel_feature_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/channel_feature.hpp" target="_top">boost/log/sources/channel_feature.hpp</a>&gt;</h4></div></div></div>
  78 <p>Andrey Semashev </p>
  79 <p>
  80 </p>
  81 <p>28.02.2008</p>
  82 <p>
  83 The header contains implementation of a channel support feature. </p>
  84 <pre class="synopsis">
  85
  86 <a class="link" href="BOOST_LOG_STREAM_CHANNEL.html" title="Macro BOOST_LOG_STREAM_CHANNEL">BOOST_LOG_STREAM_CHANNEL</a>(logger, chan)
  87 <a class="link" href="BOOST_LOG_CHANNEL.html" title="Macro BOOST_LOG_CHANNEL">BOOST_LOG_CHANNEL</a>(logger, chan)</pre>
  88 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  89   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
  90     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
  91       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> BaseT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_channel_logger.html" title="Class template basic_channel_logger">basic_channel_logger</a><span class="special">;</span>
  92
  93       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> <span class="keyword">struct</span> <a class="link" href="boost/log/sources/channel.html" title="Struct template channel">channel</a><span class="special">;</span>
  94     <span class="special">}</span>
  95   <span class="special">}</span>
  96 <span class="special">}</span></pre>
  97 </div>
  98 <div class="section">
  99 <div class="titlepage"><div><div><h4 class="title">
 100 <a name="header.boost.log.sources.channel_logger_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/channel_logger.hpp" target="_top">boost/log/sources/channel_logger.hpp</a>&gt;</h4></div></div></div>
 101 <p>Andrey Semashev </p>
 102 <p>
 103 </p>
 104 <p>28.02.2008</p>
 105 <p>
 106 The header contains implementation of a logger with channel support. </p>
 107 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 108   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 109     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 110       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/channel_logger.html" title="Class template channel_logger">channel_logger</a><span class="special">;</span>
 111       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/channel_logger_mt.html" title="Class template channel_logger_mt">channel_logger_mt</a><span class="special">;</span>
 112       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/wchannel_logger.html" title="Class template wchannel_logger">wchannel_logger</a><span class="special">;</span>
 113       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/wchannel_logger_mt.html" title="Class template wchannel_logger_mt">wchannel_logger_mt</a><span class="special">;</span>
 114     <span class="special">}</span>
 115   <span class="special">}</span>
 116 <span class="special">}</span></pre>
 117 </div>
 118 <div class="section">
 119 <div class="titlepage"><div><div><h4 class="title">
 120 <a name="header.boost.log.sources.exception_handler_feature_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/exception_handler_feature.hpp" target="_top">boost/log/sources/exception_handler_feature.hpp</a>&gt;</h4></div></div></div>
 121 <p>Andrey Semashev </p>
 122 <p>
 123 </p>
 124 <p>17.07.2009</p>
 125 <p>
 126 The header contains implementation of an exception handler support feature. </p>
 127 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 128   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 129     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 130       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> BaseT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_exceptio_idp60658400.html" title="Class template basic_exception_handler_logger">basic_exception_handler_logger</a><span class="special">;</span>
 131
 132       <span class="keyword">struct</span> <a class="link" href="boost/log/sources/exception_handler.html" title="Struct exception_handler">exception_handler</a><span class="special">;</span>
 133     <span class="special">}</span>
 134   <span class="special">}</span>
 135 <span class="special">}</span></pre>
 136 </div>
 137 <div class="section">
 138 <div class="titlepage"><div><div><h4 class="title">
 139 <a name="header.boost.log.sources.features_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/features.hpp" target="_top">boost/log/sources/features.hpp</a>&gt;</h4></div></div></div>
 140 <p>Andrey Semashev </p>
 141 <p>
 142 </p>
 143 <p>17.07.2009</p>
 144 <p>
 145 The header contains definition of a features list class template. </p>
 146 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 147   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 148     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 149       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span><span class="special">...</span> FeaturesT<span class="special">&gt;</span> <span class="keyword">struct</span> <a class="link" href="boost/log/sources/features.html" title="Struct template features">features</a><span class="special">;</span>
 150     <span class="special">}</span>
 151   <span class="special">}</span>
 152 <span class="special">}</span></pre>
 153 </div>
 154 <div class="section">
 155 <div class="titlepage"><div><div><h4 class="title">
 156 <a name="header.boost.log.sources.global_logger_storage_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/global_logger_storage.hpp" target="_top">boost/log/sources/global_logger_storage.hpp</a>&gt;</h4></div></div></div>
 157 <p>Andrey Semashev </p>
 158 <p>
 159 </p>
 160 <p>21.04.2008</p>
 161 <p>
 162 The header contains implementation of facilities to declare global loggers. </p>
 163 <pre class="synopsis">
 164
 165 <a class="link" href="BOOST_LOG_GLOBAL_LOGGER.html" title="Macro BOOST_LOG_GLOBAL_LOGGER">BOOST_LOG_GLOBAL_LOGGER</a>(tag_name, logger)
 166 <a class="link" href="BOOST_LOG_GLOBAL_LOGGER_INIT.html" title="Macro BOOST_LOG_GLOBAL_LOGGER_INIT">BOOST_LOG_GLOBAL_LOGGER_INIT</a>(tag_name, logger)
 167 <a class="link" href="BOOST_LOG_GLOBAL_LOGGER_DEFAULT.html" title="Macro BOOST_LOG_GLOBAL_LOGGER_DEFAULT">BOOST_LOG_GLOBAL_LOGGER_DEFAULT</a>(tag_name, logger)
 168 <a class="link" href="BOOST_LOG_GLOBAL_LOGGER_CTOR_ARGS.html" title="Macro BOOST_LOG_GLOBAL_LOGGER_CTOR_ARGS">BOOST_LOG_GLOBAL_LOGGER_CTOR_ARGS</a>(tag_name, logger, args)
 169 <a class="link" href="BOOST_LOG_INLINE_GLOBAL_LOGGER_INIT.html" title="Macro BOOST_LOG_INLINE_GLOBAL_LOGGER_INIT">BOOST_LOG_INLINE_GLOBAL_LOGGER_INIT</a>(tag_name, logger)
 170 <a class="link" href="BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT.html" title="Macro BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT">BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT</a>(tag_name, logger)
 171 <a class="link" href="BOOST_LOG_INLINE_GLOBAL_LOGGER_CTOR_ARGS.html" title="Macro BOOST_LOG_INLINE_GLOBAL_LOGGER_CTOR_ARGS">BOOST_LOG_INLINE_GLOBAL_LOGGER_CTOR_ARGS</a>(tag_name, logger, args)</pre>
 172 </div>
 173 <div class="section">
 174 <div class="titlepage"><div><div><h4 class="title">
 175 <a name="header.boost.log.sources.logger_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/logger.hpp" target="_top">boost/log/sources/logger.hpp</a>&gt;</h4></div></div></div>
 176 <p>Andrey Semashev </p>
 177 <p>
 178 </p>
 179 <p>08.03.2007</p>
 180 <p>
 181 The header contains implementation of a simplistic logger with no features. </p>
 182 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 183   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 184     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 185       <span class="keyword">class</span> <a class="link" href="boost/log/sources/logger.html" title="Class logger">logger</a><span class="special">;</span>
 186       <span class="keyword">class</span> <a class="link" href="boost/log/sources/logger_mt.html" title="Class logger_mt">logger_mt</a><span class="special">;</span>
 187       <span class="keyword">class</span> <a class="link" href="boost/log/sources/wlogger.html" title="Class wlogger">wlogger</a><span class="special">;</span>
 188       <span class="keyword">class</span> <a class="link" href="boost/log/sources/wlogger_mt.html" title="Class wlogger_mt">wlogger_mt</a><span class="special">;</span>
 189     <span class="special">}</span>
 190   <span class="special">}</span>
 191 <span class="special">}</span></pre>
 192 </div>
 193 <div class="section">
 194 <div class="titlepage"><div><div><h4 class="title">
 195 <a name="header.boost.log.sources.record_ostream_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/record_ostream.hpp" target="_top">boost/log/sources/record_ostream.hpp</a>&gt;</h4></div></div></div>
 196 <p>Andrey Semashev </p>
 197 <p>
 198 </p>
 199 <p>09.03.2009</p>
 200 <p>
 201 This header contains a wrapper class around a logging record that allows to compose the record message with a streaming expression. </p>
 202 <pre class="synopsis">
 203
 204 <a class="link" href="BOOST_LOG_STREAM.html" title="Macro BOOST_LOG_STREAM">BOOST_LOG_STREAM</a>(logger)
 205 <a class="link" href="BOOST_LOG_STREAM_WITH_PARAMS.html" title="Macro BOOST_LOG_STREAM_WITH_PARAMS">BOOST_LOG_STREAM_WITH_PARAMS</a>(logger, params_seq)
 206 <a class="link" href="BOOST_LOG.html" title="Macro BOOST_LOG">BOOST_LOG</a>(logger)
 207 <a class="link" href="BOOST_LOG_WITH_PARAMS.html" title="Macro BOOST_LOG_WITH_PARAMS">BOOST_LOG_WITH_PARAMS</a>(logger, params_seq)</pre>
 208 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 209   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 210     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/basic_record_ostream.html" title="Class template basic_record_ostream">basic_record_ostream</a><span class="special">;</span>
 211
 212     <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_record_ostream.html" title="Class template basic_record_ostream">basic_record_ostream</a><span class="special">&lt;</span> <span class="keyword">char</span> <span class="special">&gt;</span> <a name="boost.log.record_ostream"></a><span class="identifier">record_ostream</span><span class="special">;</span>  <span class="comment">// Convenience typedef for narrow-character logging. </span>
 213     <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_record_ostream.html" title="Class template basic_record_ostream">basic_record_ostream</a><span class="special">&lt;</span> <span class="keyword">wchar_t</span> <span class="special">&gt;</span> <a name="boost.log.wrecord_ostream"></a><span class="identifier">wrecord_ostream</span><span class="special">;</span>  <span class="comment">// Convenience typedef for wide-character logging. </span>
 214     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 215       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63798368.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">T</span><span class="special">)</span><span class="special">;</span>
 216     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 217       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63802128.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 218     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 219       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63805888.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 220     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 221       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63809648.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">T</span><span class="special">)</span><span class="special">;</span>
 222     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 223       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63813408.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 224     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StreamT<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
 225       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/operator_idp63817168.html" title="Function template operator&lt;&lt;"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">StreamT</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 226   <span class="special">}</span>
 227 <span class="special">}</span></pre>
 228 </div>
 229 <div class="section">
 230 <div class="titlepage"><div><div><h4 class="title">
 231 <a name="header.boost.log.sources.severity_channel_logger_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/severity_channel_logger.hpp" target="_top">boost/log/sources/severity_channel_logger.hpp</a>&gt;</h4></div></div></div>
 232 <p>Andrey Semashev </p>
 233 <p>
 234 </p>
 235 <p>28.02.2008</p>
 236 <p>
 237 The header contains implementation of a logger with severity level and channel support. </p>
 238 <pre class="synopsis">
 239
 240 <a class="link" href="BOOST_LOG_STREAM_CHANNEL_SEV.html" title="Macro BOOST_LOG_STREAM_CHANNEL_SEV">BOOST_LOG_STREAM_CHANNEL_SEV</a>(logger, chan, lvl)
 241 <a class="link" href="BOOST_LOG_CHANNEL_SEV.html" title="Macro BOOST_LOG_CHANNEL_SEV">BOOST_LOG_CHANNEL_SEV</a>(logger, chan, lvl)</pre>
 242 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 243   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 244     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 245       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span>
 246         <span class="keyword">class</span> <a class="link" href="boost/log/sources/severity_channel_logger.html" title="Class template severity_channel_logger">severity_channel_logger</a><span class="special">;</span>
 247       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span>
 248         <span class="keyword">class</span> <a class="link" href="boost/log/sources/severity_channel_logger_mt.html" title="Class template severity_channel_logger_mt">severity_channel_logger_mt</a><span class="special">;</span>
 249       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span><span class="special">&gt;</span>
 250         <span class="keyword">class</span> <a class="link" href="boost/log/sources/wseverity_channel_logger.html" title="Class template wseverity_channel_logger">wseverity_channel_logger</a><span class="special">;</span>
 251       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span><span class="special">&gt;</span>
 252         <span class="keyword">class</span> <a class="link" href="boost/log/sources/wseverity_chan_idp63876928.html" title="Class template wseverity_channel_logger_mt">wseverity_channel_logger_mt</a><span class="special">;</span>
 253     <span class="special">}</span>
 254   <span class="special">}</span>
 255 <span class="special">}</span></pre>
 256 </div>
 257 <div class="section">
 258 <div class="titlepage"><div><div><h4 class="title">
 259 <a name="header.boost.log.sources.severity_feature_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/severity_feature.hpp" target="_top">boost/log/sources/severity_feature.hpp</a>&gt;</h4></div></div></div>
 260 <p>Andrey Semashev </p>
 261 <p>
 262 </p>
 263 <p>08.03.2007</p>
 264 <p>
 265 The header contains implementation of a severity level support feature. </p>
 266 <pre class="synopsis">
 267
 268 <a class="link" href="BOOST_LOG_STREAM_SEV.html" title="Macro BOOST_LOG_STREAM_SEV">BOOST_LOG_STREAM_SEV</a>(logger, lvl)
 269 <a class="link" href="BOOST_LOG_SEV.html" title="Macro BOOST_LOG_SEV">BOOST_LOG_SEV</a>(logger, lvl)</pre>
 270 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 271   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 272     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 273       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> BaseT<span class="special">,</span> <span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a><span class="special">;</span>
 274
 275       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">struct</span> <a class="link" href="boost/log/sources/severity.html" title="Struct template severity">severity</a><span class="special">;</span>
 276     <span class="special">}</span>
 277   <span class="special">}</span>
 278 <span class="special">}</span></pre>
 279 </div>
 280 <div class="section">
 281 <div class="titlepage"><div><div><h4 class="title">
 282 <a name="header.boost.log.sources.severity_logger_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/severity_logger.hpp" target="_top">boost/log/sources/severity_logger.hpp</a>&gt;</h4></div></div></div>
 283 <p>Andrey Semashev </p>
 284 <p>
 285 </p>
 286 <p>08.03.2007</p>
 287 <p>
 288 The header contains implementation of a logger with severity level support. </p>
 289 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 290   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 291     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 292       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/severity_logger.html" title="Class template severity_logger">severity_logger</a><span class="special">;</span>
 293       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/severity_logger_mt.html" title="Class template severity_logger_mt">severity_logger_mt</a><span class="special">;</span>
 294       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/wseverity_logger.html" title="Class template wseverity_logger">wseverity_logger</a><span class="special">;</span>
 295       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/sources/wseverity_logger_mt.html" title="Class template wseverity_logger_mt">wseverity_logger_mt</a><span class="special">;</span>
 296     <span class="special">}</span>
 297   <span class="special">}</span>
 298 <span class="special">}</span></pre>
 299 </div>
 300 <div class="section">
 301 <div class="titlepage"><div><div><h4 class="title">
 302 <a name="header.boost.log.sources.threading_models_hpp"></a>Header &lt;<a href="../../../../boost/log/sources/threading_models.hpp" target="_top">boost/log/sources/threading_models.hpp</a>&gt;</h4></div></div></div>
 303 <p>Andrey Semashev </p>
 304 <p>
 305 </p>
 306 <p>04.10.2008</p>
 307 <p>
 308 The header contains definition of threading models that can be used in loggers. The header also provides a number of tags that can be used to express lock requirements on a function callee. </p>
 309 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 310   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 311     <span class="keyword">namespace</span> <span class="identifier">sources</span> <span class="special">{</span>
 312       <span class="keyword">struct</span> <a class="link" href="boost/log/sources/single_thread_model.html" title="Struct single_thread_model">single_thread_model</a><span class="special">;</span>
 313       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> MutexT<span class="special">&gt;</span> <span class="keyword">struct</span> <a class="link" href="boost/log/sources/multi_thread_model.html" title="Struct template multi_thread_model">multi_thread_model</a><span class="special">;</span>
 314     <span class="special">}</span>
 315   <span class="special">}</span>
 316 <span class="special">}</span></pre>
 317 </div>
 318 </div>
 319 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 320 <td align="left"></td>
 321 <td align="right"><div class="copyright-footer">Copyright &#169; 2007-2016 Andrey Semashev<p>
 322         Distributed under the Boost Software License, Version 1.0. (See accompanying
 323         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>).
 324       </p>
 325 </div></td>
 326 </tr></table>
 327 <hr>
 328 <div class="spirit-nav">
 329 <a accesskey="p" href="boost/log/expressions/record.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="log/reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost/log/sources/basic_logger.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a>
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