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Use g_once for all the mkenums template files

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Without this, initialization of enum/flags values from multithreaded
programs may not work correctly.

Fixes #1617.
This commit is contained in:
Federico Mena Quintero 2019-05-21 10:32:08 -05:00
parent 9f739ab135
commit 2a9b3c6a0c
3 changed files with 39 additions and 24 deletions
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13
gdk/gdkenumtypes.c.template
View File

@ -12,8 +12,10 @@
GType
@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@ -24,9 +26,12 @@ GType
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
GType g_define_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return etype;
return g_define_type_id__volatile;
}
/*** END value-tail ***/

13
gtk/gtkprivatetypebuiltins.c.template
View File

@ -14,8 +14,10 @@
GType
_@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@ -26,9 +28,12 @@ _@enum_name@_get_type (void)
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
GType g_define_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return etype;
return g_define_type_id__volatile;
}
/*** END value-tail ***/

13
gtk/gtktypebuiltins.c.template
View File

@ -13,8 +13,10 @@
GType
@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static volatile gsize g_define_type_id__volatile = 0;
if (g_once_init_enter (&g_define_type_id__volatile))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@ -25,9 +27,12 @@ GType
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
GType g_define_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
}
return etype;
return g_define_type_id__volatile;
}
/*** END value-tail ***/