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Disable theme thumbnailing on MacOS. Some CoreFoundation functionality can

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2008-04-13  Jens Granseuer  <jensgr@gmx.net>

	Disable theme thumbnailing on MacOS. Some CoreFoundation functionality
	can apparently no longer be used from forked processes (see bug
	#525058). Unfortunately, it is used by freetype/pango/cairo/gtk, and
	as such by our forked thumbnailer. This change means no thumbnails on
	MacOS, but I suppose that's better than crashing. Reworking the
	thumbnailer to work without forking is going to be a major effort.

	* theme-thumbnail.c: (theme_thumbnail_factory_init): only enable the
	asynchronous thumbnailer if not on MacOS

svn path=/trunk/; revision=8649
This commit is contained in:
Jens Granseuer 2008-04-13 17:06:34 +00:00 • committed by Jens Granseuer
parent 3e446a1955
commit debc4f4091
2 changed files with 24 additions and 3 deletions
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12
capplets/common/ChangeLog
View file

@ -1,3 +1,15 @@
2008-04-13 Jens Granseuer <jensgr@gmx.net>
Disable theme thumbnailing on MacOS. Some CoreFoundation functionality
can apparently no longer be used from forked processes (see bug
#525058). Unfortunately, it is used by freetype/pango/cairo/gtk, and
as such by our forked thumbnailer. This change means no thumbnails on
MacOS, but I suppose that's better than crashing. Reworking the
thumbnailer to work without forking is going to be a major effort.
* theme-thumbnail.c: (theme_thumbnail_factory_init): only enable the
asynchronous thumbnailer if not on MacOS
2008-04-12 Jens Granseuer <jensgr@gmx.net>
* gtkrc-utils.c: (gtkrc_get_details), (gtkrc_get_color_scheme):

15
capplets/common/theme-thumbnail.c
View file

@ -20,8 +20,6 @@
#include "gtkrc-utils.h"
#include "capplet-util.h"
static gint child_pid;
typedef struct
{
gboolean set;
@ -1184,9 +1182,19 @@ generate_icon_theme_thumbnail_async (GnomeThemeIconInfo *theme_info,
void
theme_thumbnail_factory_init (int argc, char *argv[])
{
#ifndef __APPLE__
gint child_pid;
#endif
pipe (pipe_to_factory_fd);
pipe (pipe_from_factory_fd);
/* Apple's CoreFoundation classes must not be used from forked
* processes. Since freetype (and thus GTK) uses them, we simply
* disable the thumbnailer on MacOS for now. That means no thumbs
* until the thumbnailing process is rewritten, but at least we won't
* make apps crash. */
#ifndef __APPLE__
child_pid = fork ();
if (child_pid == 0)
{
@ -1225,8 +1233,9 @@ theme_thumbnail_factory_init (int argc, char *argv[])
/* Parent */
close (pipe_to_factory_fd[0]);
close (pipe_from_factory_fd[1]);
#endif /* __APPLE__ */
async_data.set = FALSE;
async_data.theme_name = NULL;
async_data.data = g_byte_array_new ();
}