diff options
| author | Leo Tenenbaum <pommicket@gmail.com> | 2018-08-20 21:12:06 -0400 |
|---|---|---|
| committer | Leo Tenenbaum <pommicket@gmail.com> | 2018-08-20 21:12:06 -0400 |
| commit | 63e87c2d0c9d263f14c77b68f85c67d46ece82a9 (patch) | |
| tree | 6260365cbf7d24f37d27669e8538227fcb72e243 /gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html | |
| parent | a4460f6d9453bbd7e584937686449cef3e19f052 (diff) | |
Diffstat (limited to 'gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html')
| -rw-r--r-- | gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html | 694 |
1 files changed, 0 insertions, 694 deletions
diff --git a/gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html b/gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html deleted file mode 100644 index 93e9697..0000000 --- a/gtk+-mingw/share/gtk-doc/html/glib/glib-Message-Logging.html +++ /dev/null @@ -1,694 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> -<title>Message Logging</title> -<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> -<link rel="home" href="index.html" title="GLib Reference Manual"> -<link rel="up" href="glib-core.html" title="GLib Core Application Support"> -<link rel="prev" href="glib-Warnings-and-Assertions.html" title="Message Output and Debugging Functions"> -<link rel="next" href="glib-utilities.html" title="GLib Utilities"> -<meta name="generator" content="GTK-Doc V1.18 (XML mode)"> -<link rel="stylesheet" href="style.css" type="text/css"> -</head> -<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> -<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> -<tr valign="middle"> -<td><a accesskey="p" href="glib-Warnings-and-Assertions.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> -<td><a accesskey="u" href="glib-core.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> -<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> -<th width="100%" align="center">GLib Reference Manual</th> -<td><a accesskey="n" href="glib-utilities.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> -</tr> -<tr><td colspan="5" class="shortcuts"> -<a href="#glib-Message-Logging.synopsis" class="shortcut">Top</a> - | - <a href="#glib-Message-Logging.description" class="shortcut">Description</a> -</td></tr> -</table> -<div class="refentry"> -<a name="glib-Message-Logging"></a><div class="titlepage"></div> -<div class="refnamediv"><table width="100%"><tr> -<td valign="top"> -<h2><span class="refentrytitle"><a name="glib-Message-Logging.top_of_page"></a>Message Logging</span></h2> -<p>Message Logging — versatile support for logging messages - with different levels of importance</p> -</td> -<td valign="top" align="right"></td> -</tr></table></div> -<div class="refsynopsisdiv"> -<a name="glib-Message-Logging.synopsis"></a><h2>Synopsis</h2> -<pre class="synopsis"> -#include <glib.h> - -#define <a class="link" href="glib-Message-Logging.html#G-LOG-DOMAIN:CAPS" title="G_LOG_DOMAIN">G_LOG_DOMAIN</a> -#define <a class="link" href="glib-Message-Logging.html#G-LOG-FATAL-MASK:CAPS" title="G_LOG_FATAL_MASK">G_LOG_FATAL_MASK</a> -#define <a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-USER-SHIFT:CAPS" title="G_LOG_LEVEL_USER_SHIFT">G_LOG_LEVEL_USER_SHIFT</a> -<span class="returnvalue">void</span> (<a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()">*GLogFunc</a>) (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *message</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>); -enum <a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags">GLogLevelFlags</a>; - -<span class="returnvalue">void</span> <a class="link" href="glib-Message-Logging.html#g-log" title="g_log ()">g_log</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *format</code></em>, - <em class="parameter"><code>...</code></em>); -<span class="returnvalue">void</span> <a class="link" href="glib-Message-Logging.html#g-logv" title="g_logv ()">g_logv</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *format</code></em>, - <em class="parameter"><code><span class="type">va_list</span> args</code></em>); -#define <a class="link" href="glib-Message-Logging.html#g-message" title="g_message()">g_message</a> (...) -#define <a class="link" href="glib-Message-Logging.html#g-warning" title="g_warning()">g_warning</a> (...) -#define <a class="link" href="glib-Message-Logging.html#g-critical" title="g_critical()">g_critical</a> (...) -#define <a class="link" href="glib-Message-Logging.html#g-error" title="g_error()">g_error</a> (...) -#define <a class="link" href="glib-Message-Logging.html#g-debug" title="g_debug()">g_debug</a> (...) - -<a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a> <a class="link" href="glib-Message-Logging.html#g-log-set-handler" title="g_log_set_handler ()">g_log_set_handler</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_levels</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="type">GLogFunc</span></a> log_func</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>); -<span class="returnvalue">void</span> <a class="link" href="glib-Message-Logging.html#g-log-remove-handler" title="g_log_remove_handler ()">g_log_remove_handler</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="type">guint</span></a> handler_id</code></em>); -<a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="returnvalue">GLogLevelFlags</span></a> <a class="link" href="glib-Message-Logging.html#g-log-set-always-fatal" title="g_log_set_always_fatal ()">g_log_set_always_fatal</a> (<em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> fatal_mask</code></em>); -<a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="returnvalue">GLogLevelFlags</span></a> <a class="link" href="glib-Message-Logging.html#g-log-set-fatal-mask" title="g_log_set_fatal_mask ()">g_log_set_fatal_mask</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> fatal_mask</code></em>); -<span class="returnvalue">void</span> <a class="link" href="glib-Message-Logging.html#g-log-default-handler" title="g_log_default_handler ()">g_log_default_handler</a> (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *message</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> unused_data</code></em>); -<a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="returnvalue">GLogFunc</span></a> <a class="link" href="glib-Message-Logging.html#g-log-set-default-handler" title="g_log_set_default_handler ()">g_log_set_default_handler</a> (<em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="type">GLogFunc</span></a> log_func</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>); -</pre> -</div> -<div class="refsect1"> -<a name="glib-Message-Logging.description"></a><h2>Description</h2> -<p> -These functions provide support for logging error messages -or messages used for debugging. -</p> -<p> -There are several built-in levels of messages, defined in -<a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a>. These can be extended with user-defined levels. -</p> -</div> -<div class="refsect1"> -<a name="glib-Message-Logging.details"></a><h2>Details</h2> -<div class="refsect2"> -<a name="G-LOG-DOMAIN:CAPS"></a><h3>G_LOG_DOMAIN</h3> -<pre class="programlisting">#define G_LOG_DOMAIN ((gchar*) 0) -</pre> -<p> -Defines the log domain. -</p> -<p> -For applications, this is typically left as the default <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> -(or "") domain. Libraries should define this so that any messages -which they log can be differentiated from messages from other -libraries and application code. But be careful not to define -it in any public header files. -</p> -<p> -For example, GTK+ uses this in its Makefile.am: -</p> -<div class="informalexample"><pre class="programlisting"> -INCLUDES = -DG_LOG_DOMAIN=\"Gtk\" -</pre></div> -<p> -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-LOG-FATAL-MASK:CAPS"></a><h3>G_LOG_FATAL_MASK</h3> -<pre class="programlisting">#define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR) -</pre> -<p> -GLib log levels that are considered fatal by default. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="G-LOG-LEVEL-USER-SHIFT:CAPS"></a><h3>G_LOG_LEVEL_USER_SHIFT</h3> -<pre class="programlisting">#define G_LOG_LEVEL_USER_SHIFT (8) -</pre> -</div> -<hr> -<div class="refsect2"> -<a name="GLogFunc"></a><h3>GLogFunc ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> (*GLogFunc) (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *message</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> -<p> -Specifies the prototype of log handler functions. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain of the message</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_level</code></em> :</span></p></td> -<td>the log level of the message (including the -fatal and recursion flags)</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td> -<td>the message to process</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> -<td>user data, set in <a class="link" href="glib-Message-Logging.html#g-log-set-handler" title="g_log_set_handler ()"><code class="function">g_log_set_handler()</code></a> -</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GLogLevelFlags"></a><h3>enum GLogLevelFlags</h3> -<pre class="programlisting">typedef enum { - /* log flags */ - G_LOG_FLAG_RECURSION = 1 << 0, - G_LOG_FLAG_FATAL = 1 << 1, - - /* GLib log levels */ - G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */ - G_LOG_LEVEL_CRITICAL = 1 << 3, - G_LOG_LEVEL_WARNING = 1 << 4, - G_LOG_LEVEL_MESSAGE = 1 << 5, - G_LOG_LEVEL_INFO = 1 << 6, - G_LOG_LEVEL_DEBUG = 1 << 7, - - G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL) -} GLogLevelFlags; -</pre> -<p> -Flags specifying the level of log messages. -</p> -<p> -It is possible to change how GLib treats messages of the various -levels using <a class="link" href="glib-Message-Logging.html#g-log-set-handler" title="g_log_set_handler ()"><code class="function">g_log_set_handler()</code></a> and <a class="link" href="glib-Message-Logging.html#g-log-set-fatal-mask" title="g_log_set_fatal_mask ()"><code class="function">g_log_set_fatal_mask()</code></a>. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><a name="G-LOG-FLAG-RECURSION:CAPS"></a><span class="term"><code class="literal">G_LOG_FLAG_RECURSION</code></span></p></td> -<td>internal flag -</td> -</tr> -<tr> -<td><p><a name="G-LOG-FLAG-FATAL:CAPS"></a><span class="term"><code class="literal">G_LOG_FLAG_FATAL</code></span></p></td> -<td>internal flag -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-ERROR:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_ERROR</code></span></p></td> -<td>log level for errors, see <a class="link" href="glib-Message-Logging.html#g-error" title="g_error()"><code class="function">g_error()</code></a>. - This level is also used for messages produced by <a class="link" href="glib-Testing.html#g-assert" title="g_assert()"><code class="function">g_assert()</code></a>. -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-CRITICAL:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_CRITICAL</code></span></p></td> -<td>log level for critical messages, see <a class="link" href="glib-Message-Logging.html#g-critical" title="g_critical()"><code class="function">g_critical()</code></a>. - This level is also used for messages produced by <a class="link" href="glib-Warnings-and-Assertions.html#g-return-if-fail" title="g_return_if_fail()"><code class="function">g_return_if_fail()</code></a> - and <a class="link" href="glib-Warnings-and-Assertions.html#g-return-val-if-fail" title="g_return_val_if_fail()"><code class="function">g_return_val_if_fail()</code></a>. -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-WARNING:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_WARNING</code></span></p></td> -<td>log level for warnings, see <a class="link" href="glib-Message-Logging.html#g-warning" title="g_warning()"><code class="function">g_warning()</code></a> -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-MESSAGE:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_MESSAGE</code></span></p></td> -<td>log level for messages, see <a class="link" href="glib-Message-Logging.html#g-message" title="g_message()"><code class="function">g_message()</code></a> -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-INFO:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_INFO</code></span></p></td> -<td>log level for informational messages -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-DEBUG:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_DEBUG</code></span></p></td> -<td>log level for debug messages, see <a class="link" href="glib-Message-Logging.html#g-debug" title="g_debug()"><code class="function">g_debug()</code></a> -</td> -</tr> -<tr> -<td><p><a name="G-LOG-LEVEL-MASK:CAPS"></a><span class="term"><code class="literal">G_LOG_LEVEL_MASK</code></span></p></td> -<td>a mask including all log levels -</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log"></a><h3>g_log ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> g_log (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *format</code></em>, - <em class="parameter"><code>...</code></em>);</pre> -<p> -Logs an error or debugging message. -</p> -<p> -If the log level has been set as fatal, the <code class="function">abort()</code> -function is called to terminate the program. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain, usually <a class="link" href="glib-Message-Logging.html#G-LOG-DOMAIN:CAPS" title="G_LOG_DOMAIN"><span class="type">G_LOG_DOMAIN</span></a> -</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_level</code></em> :</span></p></td> -<td>the log level, either from <a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> -or a user-defined level</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td> -<td>the message format. See the <code class="function">printf()</code> documentation</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>the parameters to insert into the format string</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-logv"></a><h3>g_logv ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> g_logv (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *format</code></em>, - <em class="parameter"><code><span class="type">va_list</span> args</code></em>);</pre> -<p> -Logs an error or debugging message. -</p> -<p> -If the log level has been set as fatal, the <code class="function">abort()</code> -function is called to terminate the program. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_level</code></em> :</span></p></td> -<td>the log level</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td> -<td>the message format. See the <code class="function">printf()</code> documentation</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>args</code></em> :</span></p></td> -<td>the parameters to insert into the format string</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-message"></a><h3>g_message()</h3> -<pre class="programlisting">#define g_message(...)</pre> -<p> -A convenience function/macro to log a normal message. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>format string, followed by parameters to insert -into the format string (as with <code class="function">printf()</code>)</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-warning"></a><h3>g_warning()</h3> -<pre class="programlisting">#define g_warning(...)</pre> -<p> -A convenience function/macro to log a warning message. -</p> -<p> -You can make warnings fatal at runtime by setting the -<code class="envar">G_DEBUG</code> environment variable (see -<a class="ulink" href="glib-running.html" target="_top">Running GLib Applications</a>). -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>format string, followed by parameters to insert -into the format string (as with <code class="function">printf()</code>)</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-critical"></a><h3>g_critical()</h3> -<pre class="programlisting">#define g_critical(...)</pre> -<p> -Logs a "critical warning" (<a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-CRITICAL:CAPS"><span class="type">G_LOG_LEVEL_CRITICAL</span></a>). -It's more or less application-defined what constitutes -a critical vs. a regular warning. You could call -<a class="link" href="glib-Message-Logging.html#g-log-set-always-fatal" title="g_log_set_always_fatal ()"><code class="function">g_log_set_always_fatal()</code></a> to make critical warnings exit -the program, then use <a class="link" href="glib-Message-Logging.html#g-critical" title="g_critical()"><code class="function">g_critical()</code></a> for fatal errors, for -example. -</p> -<p> -You can also make critical warnings fatal at runtime by -setting the <code class="envar">G_DEBUG</code> environment variable (see -<a class="ulink" href="glib-running.html" target="_top">Running GLib Applications</a>). -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>format string, followed by parameters to insert -into the format string (as with <code class="function">printf()</code>)</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-error"></a><h3>g_error()</h3> -<pre class="programlisting">#define g_error(...)</pre> -<p> -A convenience function/macro to log an error message. -</p> -<p> -Error messages are always fatal, resulting in a call to -<code class="function">abort()</code> to terminate the application. This function will -result in a core dump; don't use it for errors you expect. -Using this function indicates a bug in your program, i.e. -an assertion failure. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>format string, followed by parameters to insert -into the format string (as with <code class="function">printf()</code>)</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-debug"></a><h3>g_debug()</h3> -<pre class="programlisting">#define g_debug(...)</pre> -<p> -A convenience function/macro to log a debug message. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td> -<td>format string, followed by parameters to insert -into the format string (as with <code class="function">printf()</code>)</td> -</tr></tbody> -</table></div> -<p class="since">Since 2.6</p> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-set-handler"></a><h3>g_log_set_handler ()</h3> -<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a> g_log_set_handler (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_levels</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="type">GLogFunc</span></a> log_func</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> -<p> -Sets the log handler for a domain and a set of log levels. -To handle fatal and recursive messages the <em class="parameter"><code>log_levels</code></em> parameter -must be combined with the <a class="link" href="glib-Message-Logging.html#G-LOG-FLAG-FATAL:CAPS"><span class="type">G_LOG_FLAG_FATAL</span></a> and <a class="link" href="glib-Message-Logging.html#G-LOG-FLAG-RECURSION:CAPS"><span class="type">G_LOG_FLAG_RECURSION</span></a> -bit flags. -</p> -<p> -Note that since the <a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-ERROR:CAPS"><span class="type">G_LOG_LEVEL_ERROR</span></a> log level is always fatal, if -you want to set a handler for this log level you must combine it with -<a class="link" href="glib-Message-Logging.html#G-LOG-FLAG-FATAL:CAPS"><span class="type">G_LOG_FLAG_FATAL</span></a>. -</p> -<p> -</p> -<div class="example"> -<a name="idp21154736"></a><p class="title"><b>Example 10. Adding a log handler for all warning messages in the default -(application) domain</b></p> -<div class="example-contents"><pre class="programlisting"> -g_log_set_handler (NULL, G_LOG_LEVEL_WARNING | G_LOG_FLAG_FATAL - | G_LOG_FLAG_RECURSION, my_log_handler, NULL); -</pre></div> -</div> -<p><br class="example-break"> -</p> -<p> -</p> -<div class="example"> -<a name="idp21156960"></a><p class="title"><b>Example 11. Adding a log handler for all critical messages from GTK+</b></p> -<div class="example-contents"><pre class="programlisting"> -g_log_set_handler ("Gtk", G_LOG_LEVEL_CRITICAL | G_LOG_FLAG_FATAL - | G_LOG_FLAG_RECURSION, my_log_handler, NULL); -</pre></div> -</div> -<p><br class="example-break"> -</p> -<p> -</p> -<div class="example"> -<a name="idp21159184"></a><p class="title"><b>Example 12. Adding a log handler for <span class="emphasis"><em>all</em></span> messages from -GLib</b></p> -<div class="example-contents"><pre class="programlisting"> -g_log_set_handler ("GLib", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL - | G_LOG_FLAG_RECURSION, my_log_handler, NULL); -</pre></div> -</div> -<p><br class="example-break"> -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> for the default "" -application domain. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span> -</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_levels</code></em> :</span></p></td> -<td>the log levels to apply the log handler for. -To handle fatal and recursive messages as well, combine -the log levels with the <a class="link" href="glib-Message-Logging.html#G-LOG-FLAG-FATAL:CAPS"><span class="type">G_LOG_FLAG_FATAL</span></a> and -<a class="link" href="glib-Message-Logging.html#G-LOG-FLAG-RECURSION:CAPS"><span class="type">G_LOG_FLAG_RECURSION</span></a> bit flags.</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_func</code></em> :</span></p></td> -<td>the log handler function</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> -<td>data passed to the log handler</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td>the id of the new handler</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-remove-handler"></a><h3>g_log_remove_handler ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> g_log_remove_handler (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="type">guint</span></a> handler_id</code></em>);</pre> -<p> -Removes the log handler. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>handler_id</code></em> :</span></p></td> -<td>the id of the handler, which was returned -in <a class="link" href="glib-Message-Logging.html#g-log-set-handler" title="g_log_set_handler ()"><code class="function">g_log_set_handler()</code></a> -</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-set-always-fatal"></a><h3>g_log_set_always_fatal ()</h3> -<pre class="programlisting"><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="returnvalue">GLogLevelFlags</span></a> g_log_set_always_fatal (<em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> fatal_mask</code></em>);</pre> -<p> -Sets the message levels which are always fatal, in any log domain. -When a message with any of these levels is logged the program terminates. -You can only set the levels defined by GLib to be fatal. -<a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-ERROR:CAPS"><code class="literal">G_LOG_LEVEL_ERROR</code></a> is always fatal. -</p> -<p> -You can also make some message levels fatal at runtime by setting -the <code class="envar">G_DEBUG</code> environment variable (see -<a class="ulink" href="glib-running.html" target="_top">Running GLib Applications</a>). -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>fatal_mask</code></em> :</span></p></td> -<td>the mask containing bits set for each level -of error which is to be fatal</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td>the old fatal mask</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-set-fatal-mask"></a><h3>g_log_set_fatal_mask ()</h3> -<pre class="programlisting"><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="returnvalue">GLogLevelFlags</span></a> g_log_set_fatal_mask (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> fatal_mask</code></em>);</pre> -<p> -Sets the log levels which are fatal in the given domain. -<a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-ERROR:CAPS"><code class="literal">G_LOG_LEVEL_ERROR</code></a> is always fatal. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>fatal_mask</code></em> :</span></p></td> -<td>the new fatal mask</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td>the old fatal mask for the log domain</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-default-handler"></a><h3>g_log_default_handler ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> g_log_default_handler (<em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *log_domain</code></em>, - <em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogLevelFlags" title="enum GLogLevelFlags"><span class="type">GLogLevelFlags</span></a> log_level</code></em>, - <em class="parameter"><code>const <a class="link" href="glib-Basic-Types.html#gchar" title="gchar"><span class="type">gchar</span></a> *message</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> unused_data</code></em>);</pre> -<p> -The default log handler set up by GLib; <a class="link" href="glib-Message-Logging.html#g-log-set-default-handler" title="g_log_set_default_handler ()"><code class="function">g_log_set_default_handler()</code></a> -allows to install an alternate default log handler. -This is used if no log handler has been set for the particular log -domain and log level combination. It outputs the message to stderr -or stdout and if the log level is fatal it calls <code class="function">abort()</code>. -</p> -<p> -The behavior of this log handler can be influenced by a number of -environment variables: -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><code class="envar">G_MESSAGES_PREFIXED</code></span></p></td> -<td> - A :-separated list of log levels for which messages should - be prefixed by the program name and PID of the aplication. - </td> -</tr> -<tr> -<td><p><span class="term"><code class="envar">G_MESSAGES_DEBUG</code></span></p></td> -<td> - A space-separated list of log domains for which debug and - informational messages are printed. By default these - messages are not printed. - </td> -</tr> -</tbody> -</table></div> -<p> -</p> -<p> -stderr is used for levels <a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-ERROR:CAPS"><code class="literal">G_LOG_LEVEL_ERROR</code></a>, <a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-CRITICAL:CAPS"><code class="literal">G_LOG_LEVEL_CRITICAL</code></a>, -<a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-WARNING:CAPS"><code class="literal">G_LOG_LEVEL_WARNING</code></a> and <a class="link" href="glib-Message-Logging.html#G-LOG-LEVEL-MESSAGE:CAPS"><code class="literal">G_LOG_LEVEL_MESSAGE</code></a>. stdout is used for -the rest. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_domain</code></em> :</span></p></td> -<td>the log domain of the message</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_level</code></em> :</span></p></td> -<td>the level of the message</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>message</code></em> :</span></p></td> -<td>the message</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>unused_data</code></em> :</span></p></td> -<td>data passed from <a class="link" href="glib-Message-Logging.html#g-log" title="g_log ()"><code class="function">g_log()</code></a> which is unused</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="g-log-set-default-handler"></a><h3>g_log_set_default_handler ()</h3> -<pre class="programlisting"><a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="returnvalue">GLogFunc</span></a> g_log_set_default_handler (<em class="parameter"><code><a class="link" href="glib-Message-Logging.html#GLogFunc" title="GLogFunc ()"><span class="type">GLogFunc</span></a> log_func</code></em>, - <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> -<p> -Installs a default log handler which is used if no -log handler has been set for the particular log domain -and log level combination. By default, GLib uses -<a class="link" href="glib-Message-Logging.html#g-log-default-handler" title="g_log_default_handler ()"><code class="function">g_log_default_handler()</code></a> as default log handler. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>log_func</code></em> :</span></p></td> -<td>the log handler function</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> -<td>data passed to the log handler</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td>the previous default log handler</td> -</tr> -</tbody> -</table></div> -<p class="since">Since 2.6</p> -</div> -</div> -</div> -<div class="footer"> -<hr> - Generated by GTK-Doc V1.18</div> -</body> -</html>
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