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Improve threading documentation

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This commit just adds a small section to the threading documentation
about the deprecation. More is needed here, including a migration
example.
This commit is contained in:
Matthias Clasen 2012-07-30 10:44:22 +02:00
parent 0ac56e9dcc
commit b936666b52
1 changed files with 13 additions and 4 deletions
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17
gdk/gdk.c
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@ -448,10 +448,6 @@ gdk_init (int *argc, char ***argv)
* which protects all use of GTK+. That is, only one thread can use GTK+
* at any given time.
*
* Unfortunately the above holds with the X11 backend only. With the
* Win32 backend, GDK calls should not be attempted from multiple threads
* at all.
*
* You must call gdk_threads_init() before executing any other GTK+ or
* GDK functions in a threaded GTK+ program.
*
@ -653,6 +649,19 @@ gdk_init (int *argc, char ***argv)
* }
* </programlisting>
* </informalexample>
*
* Unfortunately, all of the above documentation holds with the X11
* backend only. With the Win32 backend, GDK and GTK+ calls should not
* be attempted from multiple threads at all. Combining the GDK lock
* with other locks such as the Python global interpreter lock can be
* complicated.
*
* For these reason, the threading support has been deprecated in
* GTK+ 3.6. Instead of calling GTK+ directly from multiple threads,
* it is recommended to use g_idle_add(), g_main_context_invoke()
* and similar functions to make these calls from the main thread
* instead. The main thread is the thread which has called gtk_init()
* and is running the GTK+ mainloop.
*/