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Use g_once when registering enumeration types

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Just like we do with GObject types and G_DEFINE_TYPE, we should
use the g_once_init_enter/g_once_init_leave mechanism to make the
GType registration of enumeration types thread safe.
This commit is contained in:
Emmanuele Bassi 2009-05-29 12:40:23 +01:00
parent 3248bb1b75
commit b4861cbd21
2 changed files with 28 additions and 10 deletions
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20
clutter/clutter-enum-types.c.in
View File

@ -3,15 +3,19 @@
/*** END file-header ***/
/*** BEGIN file-production ***/
/* enumerations from "@filename@" */
#include "@filename@"
/*** END file-production ***/
/*** BEGIN value-header ***/
GType
@enum_name@_get_type(void) {
static GType etype = 0;
if (G_UNLIKELY (!etype))
@enum_name@_get_type (void)
{
static volatile gsize g_enum_type_id__volatile = 0;
if (g_once_init_enter (&g_enum_type_id__volatile))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@ -23,8 +27,14 @@ GType
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
GType g_enum_type_id;
g_enum_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
g_once_init_leave (&g_enum_type_id__volatile, g_enum_type_id);
}
return etype;
return g_enum_type_id__volatile;
}
/*** END value-tail ***/

18
clutter/cogl/common/cogl-enum-types.c.in
View File

@ -4,16 +4,19 @@
/*** END file-header ***/
/*** BEGIN file-production ***/
/* enumerations from "@filename@" */
#include "@filename@"
/*** END file-production ***/
/*** BEGIN value-header ***/
GType
@enum_name@_get_type(void) {
static GType etype = 0;
@enum_name@_get_type (void)
{
static volatile gsize g_enum_type_id__volatile = 0;
if (G_UNLIKELY (!etype))
if (g_once_init_enter (&g_enum_type_id__volatile))
{
static const G@Type@Value values[] = {
/*** END value-header ***/
@ -25,9 +28,14 @@ GType
/*** BEGIN value-tail ***/
{ 0, NULL, NULL }
};
etype = g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
GType g_enum_type_id;
g_enum_type_id =
g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
g_once_init_leave (&g_enum_type_id__volatile, g_enum_type_id);
}
return etype;
return g_enum_type_id__volatile;
}
/*** END value-tail ***/