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| <h2><span class="refentrytitle">Writing GLib Applications</span></h2> |
| <p>Writing GLib Applications — |
| General considerations when programming with GLib |
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| <div class="refsect1"> |
| <a name="id-1.2.5.3"></a><h2>Writing GLib Applications</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.5.3.2"></a><h3>Threads</h3> |
| <p> |
| The general policy of GLib is that all functions are invisibly threadsafe |
| with the exception of data structure manipulation functions, where, if |
| you have two threads manipulating the <span class="emphasis"><em>same</em></span> data |
| structure, they must use a lock to synchronize their operation. |
| </p> |
| <p> |
| GLib creates a worker thread for its own purposes so GLib applications |
| will always have at least 2 threads. |
| </p> |
| <p> |
| See the sections on <a class="link" href="glib-Threads.html" title="Threads">threads</a> and |
| <a class="link" href="glib-Thread-Pools.html" title="Thread Pools">threadpools</a> for GLib APIs that |
| support multithreaded applications. |
| </p> |
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| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.5.3.3"></a><h3>Security</h3> |
| <p> |
| When writing code that runs with elevated privileges, it is important |
| to follow some basic rules of secure programming. David Wheeler has an |
| excellent book on this topic, |
| <a class="ulink" href="http://www.dwheeler.com/secure-programs/Secure-Programs-HOWTO/index.html" target="_top">Secure Programming for Linux and Unix HOWTO</a>. |
| </p> |
| <p> |
| When it comes to GLib and its associated libraries, GLib and |
| GObject are generally fine to use in code that runs with elevated |
| privileges; they don't load modules (executable code in shared objects) |
| or run other programs 'behind your back'. GIO has to be used |
| carefully in privileged programs, see the <a class="ulink" href="http://developer.gnome.org/gio/stable/ch02.html" target="_top">GIO documentation</a> for details. |
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