248 lines
5.8 KiB
C
248 lines
5.8 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include <Eo.h>
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#include "Ecore.h"
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#include "ecore_private.h"
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#define MY_CLASS ECORE_IDLER_CLASS
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#define MY_CLASS_NAME "ecore_idler"
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EAPI Eo_Op ECORE_IDLER_BASE_ID = EO_NOOP;
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struct _Ecore_Idler_Private_Data
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{
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EINA_INLIST;
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Ecore_Idler *obj;
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Ecore_Task_Cb func;
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void *data;
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int references;
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Eina_Bool delete_me : 1;
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};
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typedef struct _Ecore_Idler_Private_Data Ecore_Idler_Private_Data;
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static Ecore_Idler_Private_Data *idlers = NULL;
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static Ecore_Idler_Private_Data *idler_current = NULL;
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static int idlers_delete_me = 0;
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static void *
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_ecore_idler_del(Ecore_Idler *idler);
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EAPI Ecore_Idler *
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ecore_idler_add(Ecore_Task_Cb func,
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const void *data)
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{
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Ecore_Idler *ie = NULL;
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_ecore_lock();
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ie = eo_add_custom(MY_CLASS, _ecore_parent, ecore_idler_constructor(func, data));
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eo_unref(ie);
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_ecore_unlock();
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return ie;
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}
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static void
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_idler_constructor(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Ecore_Task_Cb func = va_arg(*list, Ecore_Task_Cb);
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const void *data = va_arg(*list, const void *);
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if (EINA_UNLIKELY(!eina_main_loop_is()))
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{
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eo_error_set(obj);
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EINA_MAIN_LOOP_CHECK_RETURN;
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}
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Ecore_Idler_Private_Data *ie = _pd;
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ie->obj = obj;
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eo_do_super(obj, eo_constructor());
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eo_manual_free_set(obj, EINA_TRUE);
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if (!func)
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{
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eo_error_set(obj);
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ERR("callback function must be set up for an object of class: '%s'", MY_CLASS_NAME);
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return;
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}
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ie->func = func;
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ie->data = (void *)data;
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idlers = (Ecore_Idler_Private_Data *)eina_inlist_append(EINA_INLIST_GET(idlers), EINA_INLIST_GET(ie));
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}
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static void
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_constructor(Eo *obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
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{
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eo_error_set(obj);
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ERR("only custom constructor can be used with '%s' class", MY_CLASS_NAME);
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}
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EAPI void *
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ecore_idler_del(Ecore_Idler *idler)
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{
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void *data = NULL;
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EINA_MAIN_LOOP_CHECK_RETURN_VAL(NULL);
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_ecore_lock();
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data = _ecore_idler_del(idler);
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_ecore_unlock();
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return data;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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static void *
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_ecore_idler_del(Ecore_Idler *obj)
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{
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Ecore_Idler_Private_Data *idler = eo_data_get(obj, MY_CLASS);
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EINA_SAFETY_ON_TRUE_RETURN_VAL(idler->delete_me, NULL);
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idler->delete_me = 1;
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idlers_delete_me = 1;
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return idler->data;
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}
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static void
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_destructor(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Ecore_Idler_Private_Data *idler = _pd;
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idler->delete_me = 1;
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idlers_delete_me = 1;
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eo_do_super(obj, eo_destructor());
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}
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void
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_ecore_idler_shutdown(void)
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{
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Ecore_Idler_Private_Data *ie;
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while ((ie = idlers))
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{
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idlers = (Ecore_Idler_Private_Data *)eina_inlist_remove(EINA_INLIST_GET(idlers), EINA_INLIST_GET(idlers));
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eo_parent_set(ie->obj, NULL);
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if (eo_destructed_is(ie->obj))
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eo_manual_free(ie->obj);
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else
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eo_manual_free_set(ie->obj, EINA_FALSE);
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}
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idlers_delete_me = 0;
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idler_current = NULL;
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}
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int
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_ecore_idler_all_call(void)
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{
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if (!idler_current)
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{
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/* regular main loop, start from head */
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idler_current = idlers;
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}
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else
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{
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/* recursive main loop, continue from where we were */
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idler_current = (Ecore_Idler_Private_Data *)EINA_INLIST_GET(idler_current)->next;
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}
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while (idler_current)
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{
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Ecore_Idler_Private_Data *ie = (Ecore_Idler_Private_Data *)idler_current;
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if (!ie->delete_me)
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{
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ie->references++;
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if (!_ecore_call_task_cb(ie->func, ie->data))
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{
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if (!ie->delete_me) _ecore_idler_del(ie->obj);
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}
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ie->references--;
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}
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if (idler_current) /* may have changed in recursive main loops */
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idler_current = (Ecore_Idler_Private_Data *)EINA_INLIST_GET(idler_current)->next;
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}
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if (idlers_delete_me)
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{
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Ecore_Idler_Private_Data *l;
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int deleted_idlers_in_use = 0;
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for (l = idlers; l; )
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{
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Ecore_Idler_Private_Data *ie = l;
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l = (Ecore_Idler_Private_Data *)EINA_INLIST_GET(l)->next;
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if (ie->delete_me)
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{
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if (ie->references)
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{
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deleted_idlers_in_use++;
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continue;
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}
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idlers = (Ecore_Idler_Private_Data *)eina_inlist_remove(EINA_INLIST_GET(idlers), EINA_INLIST_GET(ie));
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eo_parent_set(ie->obj, NULL);
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if (eo_destructed_is(ie->obj))
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eo_manual_free(ie->obj);
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else
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eo_manual_free_set(ie->obj, EINA_FALSE);
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}
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}
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if (!deleted_idlers_in_use)
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idlers_delete_me = 0;
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}
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if (idlers) return 1;
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return 0;
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}
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int
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_ecore_idler_exist(void)
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{
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if (idlers) return 1;
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return 0;
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}
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static void
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_class_constructor(Eo_Class *klass)
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{
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const Eo_Op_Func_Description func_desc[] = {
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EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
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EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_DESTRUCTOR), _destructor),
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EO_OP_FUNC(ECORE_IDLER_ID(ECORE_IDLER_SUB_ID_CONSTRUCTOR), _idler_constructor),
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EO_OP_FUNC_SENTINEL
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};
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eo_class_funcs_set(klass, func_desc);
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}
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static const Eo_Op_Description op_desc[] = {
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EO_OP_DESCRIPTION(ECORE_IDLER_SUB_ID_CONSTRUCTOR, "Add an idler handler."),
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EO_OP_DESCRIPTION_SENTINEL
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};
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static const Eo_Class_Description class_desc = {
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EO_VERSION,
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MY_CLASS_NAME,
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EO_CLASS_TYPE_REGULAR,
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EO_CLASS_DESCRIPTION_OPS(&ECORE_IDLER_BASE_ID, op_desc, ECORE_IDLER_SUB_ID_LAST),
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NULL,
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sizeof(Ecore_Idler_Private_Data),
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_class_constructor,
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NULL
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};
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EO_DEFINE_CLASS(ecore_idler_class_get, &class_desc, EO_BASE_CLASS, NULL)
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