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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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21
gdk/gdkenumtypes.c.template
View File

@ -12,21 +12,26 @@
GType
@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static const G@Type@Value values[] = {
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 ***/
/*** BEGIN value-production ***/
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
/*** END value-production ***/
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
{ 0, NULL, NULL }
};
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 ***/

21
gtk/gtkprivatetypebuiltins.c.template
View File

@ -14,21 +14,26 @@
GType
_@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static const G@Type@Value values[] = {
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 ***/
/*** BEGIN value-production ***/
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
/*** END value-production ***/
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
{ 0, NULL, NULL }
};
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 ***/

21
gtk/gtktypebuiltins.c.template
View File

@ -13,21 +13,26 @@
GType
@enum_name@_get_type (void)
{
static GType etype = 0;
if (G_UNLIKELY(etype == 0)) {
static const G@Type@Value values[] = {
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 ***/
/*** BEGIN value-production ***/
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
{ @VALUENAME@, "@VALUENAME@", "@valuenick@" },
/*** END value-production ***/
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
{ 0, NULL, NULL }
};
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 ***/