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gdk: Deprecate thread functions

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This commit deprecates gdk_threads_init, gdk_threads_enter,
gdk_threads_leave and gdk_threads_set_lock_functions. Using GTK+
from multiple threads does not work at all on Windows, and is
problematic on other platforms as well. We want to move to a world
where all GTK+ calls are made from the main thread.
Use g_main_context_invoke, g_idle_add and related functions if you
need to schedule GTK+ calls from other threads.

http://bugzilla.gnome.org/show_bug.cgi?id=680754
This commit is contained in:
Matthias Clasen 2012-07-28 17:23:17 +02:00
parent 746b9d7c41
commit 0ac56e9dcc
2 changed files with 34 additions and 0 deletions
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12
gdk/gdk.c
View File

@ -663,6 +663,9 @@ gdk_init (int *argc, char ***argv)
* GDK and GTK+ functions can be called safely and without causing race
* conditions. Only one thread at a time can be in such a critial
* section.
*
* Deprecated:3.6: All GDK and GTK+ calls should be made from the main
* thread
*/
void
gdk_threads_enter (void)
@ -675,6 +678,9 @@ gdk_threads_enter (void)
* gdk_threads_leave:
*
* Leaves a critical region begun with gdk_threads_enter().
*
* Deprecated:3.6: All GDK and GTK+ calls should be made from the main
* thread
*/
void
gdk_threads_leave (void)
@ -703,6 +709,9 @@ gdk_threads_impl_unlock (void)
*
* This call must be made before any use of the main loop from
* GTK+; to be safe, call it before gtk_init().
*
* Deprecated:3.6: All GDK and GTK+ calls should be made from the main
* thread
*/
void
gdk_threads_init (void)
@ -740,6 +749,9 @@ gdk_threads_init (void)
* This method must be called before gdk_threads_init(), and cannot
* be called multiple times.
*
* Deprecated:3.6: All GDK and GTK+ calls should be made from the main
* thread
*
* Since: 2.4
**/
void

22
gdk/gdkthreads.h
View File

@ -33,9 +33,19 @@
G_BEGIN_DECLS
#if defined(GDK_COMPILATION) || defined(GTK_COMPILATION)
#define GDK_THREADS_DEPRECATED
#else
#define GDK_THREADS_DEPRECATED GDK_DEPRECATED_IN_3_6
#endif
GDK_THREADS_DEPRECATED
void gdk_threads_init (void);
GDK_THREADS_DEPRECATED
void gdk_threads_enter (void);
GDK_THREADS_DEPRECATED
void gdk_threads_leave (void);
GDK_THREADS_DEPRECATED
void gdk_threads_set_lock_functions (GCallback enter_fn,
GCallback leave_fn);
@ -62,6 +72,9 @@ guint gdk_threads_add_timeout_seconds (guint interval,
GSourceFunc function,
gpointer data);
#if !(GDK_VERSION_MIN_REQUIRED >= GDK_VERSION_3_6)
/**
* GDK_THREADS_ENTER:
*
@ -71,6 +84,9 @@ guint gdk_threads_add_timeout_seconds (guint interval,
* section. The macro expands to a no-op if #G_THREADS_ENABLED has not
* been defined. Typically gdk_threads_enter() should be used instead of
* this macro.
*
* Deprecated:3.6: Use g_main_context_invoke(), g_idle_add() and related
* functions if you need to schedule GTK+ calls from other threads.
*/
#define GDK_THREADS_ENTER() gdk_threads_enter()
@ -79,9 +95,15 @@ guint gdk_threads_add_timeout_seconds (guint interval,
*
* This macro marks the end of a critical section
* begun with #GDK_THREADS_ENTER.
*
* Deprecated:3.6: Deprecated in 3.6.
*/
#define GDK_THREADS_LEAVE() gdk_threads_leave()
#endif
#undef GDK_THREADS_DEPRECATED
G_END_DECLS
#endif /* __GDK_THREADS_H__ */