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efl/src/lib/eo/eo.c

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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#if defined HAVE_DLADDR && ! defined _WIN32
# include <dlfcn.h>
#endif
#include <Eina.h>
#ifdef HAVE_EVIL
# include <Evil.h>
#endif
#if defined(__APPLE__) && defined(__MACH__)
# include <mach/mach_time.h>
#endif
#include "Eo.h"
#include "eo_ptr_indirection.h"
#include "eo_private.h"
#include "eo_add_fallback.h"
#include "efl_object_override.eo.c"
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
#ifdef HAVE_VALGRIND
# include <valgrind.h>
# include <memcheck.h>
#endif
static Eina_Bool _eo_trash_bypass = EINA_FALSE;
#define EO_CLASS_IDS_FIRST 1
#define EFL_OBJECT_OP_IDS_FIRST 1
/* Used inside the class_get functions of classes, see #EFL_DEFINE_CLASS */
EAPI Eina_Lock _efl_class_creation_lock;
EAPI unsigned int _efl_object_init_generation = 1;
int _eo_log_dom = -1;
Eina_Thread _efl_object_main_thread;
static inline void _eo_log_obj_init(void);
static inline void _eo_log_obj_shutdown(void);
static inline void _eo_log_obj_new(const _Eo_Object *obj);
static inline void _eo_log_obj_free(const _Eo_Object *obj);
#ifdef EO_DEBUG
static int _eo_log_objs_dom = -1;
static Eina_Bool _eo_log_objs_enabled = EINA_FALSE;
static Eina_Inarray _eo_log_objs_debug;
static Eina_Inarray _eo_log_objs_no_debug;
static double _eo_log_time_start;
#ifdef HAVE_BACKTRACE
static Eina_Array _eo_log_objs;
static Eina_Spinlock _eo_log_objs_lock;
#endif
#else
static inline void _eo_log_obj_init(void) { }
static inline void _eo_log_obj_shutdown(void) { }
static inline void _eo_log_obj_new(const _Eo_Object *obj EINA_UNUSED) { }
static inline void _eo_log_obj_free(const _Eo_Object *obj EINA_UNUSED) { }
void _eo_log_obj_report(const Eo_Id id EINA_UNUSED, int log_level EINA_UNUSED, const char *func_name EINA_UNUSED, const char *file EINA_UNUSED, int line EINA_UNUSED) { }
#endif
static _Efl_Class **_eo_classes = NULL;
static Eo_Id _eo_classes_last_id = 0;
static Eo_Id _eo_classes_alloc = 0;
static int _efl_object_init_count = 0;
static Efl_Object_Op _eo_ops_last_id = 0;
static Eina_Hash *_ops_storage = NULL;
static Eina_Spinlock _ops_storage_lock;
static size_t _eo_sz = 0;
static size_t _eo_class_sz = 0;
static void _eo_condtor_reset(_Eo_Object *obj);
static inline void *_efl_data_scope_get(const _Eo_Object *obj, const _Efl_Class *klass);
static inline void *_efl_data_xref_internal(const char *file, int line, _Eo_Object *obj, const _Efl_Class *klass, const _Eo_Object *ref_obj);
static inline void _efl_data_xunref_internal(_Eo_Object *obj, void *data, const _Eo_Object *ref_obj);
static void _vtable_init(Eo_Vtable *vtable, size_t size);
/* Start of Dich */
/* We are substracting the mask here instead of "AND"ing because it's a hot path,
* it should be a valid class at this point, and this lets the compiler do 1
* substraction at compile time. */
#define _UNMASK_ID(id) ((id) - MASK_CLASS_TAG)
#define ID_CLASS_GET(id) ({ \
(_Efl_Class *) (((_UNMASK_ID(id) <= _eo_classes_last_id) && (_UNMASK_ID(id) > 0)) ? \
(_eo_classes[_UNMASK_ID(id) - 1]) : NULL); \
})
static inline void
_vtable_chain2_unref(Dich_Chain2 *chain)
{
if (--(chain->refcount) == 0)
{
free(chain);
}
}
static inline void
_vtable_chain_alloc(Dich_Chain1 *chain1)
{
chain1->chain2 = calloc(1, sizeof(*(chain1->chain2)));
chain1->chain2->refcount = 1;
}
static inline void _vtable_chain_write_prepare(Dich_Chain1 *dst);
static inline void
_vtable_chain_merge(Dich_Chain1 *dst, const Dich_Chain1 *src)
{
Eina_Bool writeable = EINA_FALSE;
size_t j;
const op_type_funcs *sf = src->chain2->funcs;
op_type_funcs *df = dst->chain2->funcs;
if (df == sf)
{
/* Skip if the chain is the same. */
return;
}
for (j = 0 ; j < DICH_CHAIN_LAST_SIZE ; j++, df++, sf++)
{
if (sf->func && memcmp(df, sf, sizeof(*df)))
{
if (!writeable)
{
_vtable_chain_write_prepare(dst);
df = dst->chain2->funcs + j;
}
memcpy(df, sf, sizeof(*df));
}
}
}
static inline void
_vtable_chain_write_prepare(Dich_Chain1 *dst)
{
if (!dst->chain2)
{
_vtable_chain_alloc(dst);
return;
}
else if (dst->chain2->refcount == 1)
{
/* We own it, no need to duplicate */
return;
}
Dich_Chain1 old;
old.chain2 = dst->chain2;
_vtable_chain_alloc(dst);
_vtable_chain_merge(dst, &old);
_vtable_chain2_unref(old.chain2);
}
static inline void
_vtable_chain_copy_ref(Dich_Chain1 *dst, const Dich_Chain1 *src)
{
if (dst->chain2)
{
_vtable_chain_merge(dst, src);
}
else
{
dst->chain2 = src->chain2;
dst->chain2->refcount++;
}
}
static inline void
_vtable_copy_all(Eo_Vtable *dst, const Eo_Vtable *src)
{
Efl_Object_Op i;
const Dich_Chain1 *sc1 = src->chain;
Dich_Chain1 *dc1 = dst->chain;
for (i = 0 ; i < src->size ; i++, sc1++, dc1++)
{
if (sc1->chain2)
{
_vtable_chain_copy_ref(dc1, sc1);
}
}
}
static inline const op_type_funcs *
_vtable_func_get(const Eo_Vtable *vtable, Efl_Object_Op op)
{
size_t idx1 = DICH_CHAIN1(op);
if (EINA_UNLIKELY(idx1 >= vtable->size))
return NULL;
Dich_Chain1 *chain1 = &vtable->chain[idx1];
if (EINA_UNLIKELY(!chain1->chain2))
return NULL;
return &chain1->chain2->funcs[DICH_CHAIN_LAST(op)];
}
/* XXX: Only used for a debug message below. Doesn't matter that it's slow. */
static const _Efl_Class *
_eo_op_class_get(Efl_Object_Op op)
{
_Efl_Class **itr = _eo_classes;
int mid, max, min;
min = 0;
max = _eo_classes_last_id - 1;
while (min <= max)
{
mid = (min + max) / 2;
if (itr[mid]->base_id + itr[mid]->ops_count < op)
min = mid + 1;
else if (itr[mid]->base_id > op)
max = mid - 1;
else
return itr[mid];
}
return NULL;
}
static inline Eina_Bool
_vtable_func_set(Eo_Vtable *vtable, const _Efl_Class *klass, Efl_Object_Op op, Eo_Op_Func_Type func, Eina_Bool allow_same_override)
{
op_type_funcs *fsrc;
size_t idx1 = DICH_CHAIN1(op);
Dich_Chain1 *chain1 = &vtable->chain[idx1];
_vtable_chain_write_prepare(chain1);
fsrc = &chain1->chain2->funcs[DICH_CHAIN_LAST(op)];
if (!allow_same_override && (fsrc->src == klass))
{
const _Efl_Class *op_kls = _eo_op_class_get(op);
ERR("Class '%s': Overriding already set func %p for op %d (%s) with %p.",
klass->desc->name, fsrc->func, op, op_kls->desc->name, func);
return EINA_FALSE;
}
fsrc->func = func;
fsrc->src = klass;
return EINA_TRUE;
}
void
_vtable_func_clean_all(Eo_Vtable *vtable)
{
size_t i;
Dich_Chain1 *chain1 = vtable->chain;
for (i = 0 ; i < vtable->size ; i++, chain1++)
{
if (chain1->chain2)
_vtable_chain2_unref(chain1->chain2);
}
free(vtable->chain);
vtable->chain = NULL;
}
/* END OF DICH */
#ifdef HAVE_EO_ID
# define _EO_ID_GET(Id) ((Eo_Id) (Id))
#else
# define _EO_ID_GET(Id) ((Eo_Id) ((Id) ? ((Eo_Header *) (Id))->id : 0))
#endif
static inline Eina_Bool
_eo_is_a_obj(const Eo *eo_id)
{
Eo_Id oid = (Eo_Id) _EO_ID_GET(eo_id);
return !!(oid & MASK_OBJ_TAG);
}
static inline Eina_Bool
_eo_is_a_class(const Eo *eo_id)
{
Eo_Id oid = (Eo_Id) _EO_ID_GET(eo_id);
return !!(oid & MASK_CLASS_TAG);
}
static inline _Efl_Class *
_eo_class_pointer_get(const Efl_Class *klass_id, const char *func_name, const char *file, int line)
{
#ifdef HAVE_EO_ID
return ID_CLASS_GET((Eo_Id)klass_id);
(void)func_name;
(void)file;
(void)line;
#else
Eo_Header *klass = (Eo_Header *)klass_id;
if (EINA_UNLIKELY(!klass))
{
eina_log_print(_eo_log_dom,
EINA_LOG_LEVEL_DBG,
file, func_name, line,
"klass_id is NULL. Possibly unintended access?");
return NULL;
}
if (EINA_UNLIKELY(!EINA_MAGIC_CHECK(klass, EO_CLASS_EINA_MAGIC)))
{
eina_magic_fail(klass, klass->__magic, EO_CLASS_EINA_MAGIC, file, func_name, line);
return NULL;
}
return (_Efl_Class *) klass_id;
#endif
}
static const char *
_eo_op_desc_name_get(const Efl_Op_Description *desc)
{
static const char *fct_name = "unknown";
if (!desc)
{
return fct_name;
}
#ifndef _WIN32
# ifdef HAVE_DLADDR
static Dl_info info;
if (dladdr(desc->api_func, &info) != 0)
fct_name = info.dli_sname;
# endif
#else
fct_name = desc->api_func; /* Same on windows */
#endif
return fct_name;
}
static inline const op_type_funcs *
_eo_kls_itr_next(const _Efl_Class *orig_kls, const _Efl_Class *cur_klass, Efl_Object_Op op)
{
const _Efl_Class **kls_itr = NULL;
/* Find the kls itr. */
kls_itr = orig_kls->mro;
while (*kls_itr && (*kls_itr != cur_klass))
kls_itr++;
if (*kls_itr)
{
kls_itr++;
while (*kls_itr)
{
const op_type_funcs *fsrc = _vtable_func_get(&(*kls_itr)->vtable, op);
if (!fsrc || !fsrc->func)
{
kls_itr++;
continue;
}
return fsrc;
}
}
return NULL;
}
/************************************ EO ************************************/
static const _Efl_Class *_super_class = NULL;
static Eina_Spinlock _super_class_lock;
EAPI Eo *
efl_super(const Eo *obj, const Efl_Class *cur_klass)
{
EO_CLASS_POINTER_GOTO(cur_klass, klass, err);
#ifdef EO_DEBUG
if (EINA_UNLIKELY(!_eo_is_a_obj(obj) && !_eo_is_a_class(obj))) goto err_obj;
if (EINA_UNLIKELY(!efl_isa(obj, cur_klass))) goto err_obj_hierarchy;
#endif
/* FIXME: Switch to atomic operations intead of lock. */
eina_spinlock_take(&_super_class_lock);
_super_class = klass;
return (Eo *) ((Eo_Id) obj | MASK_SUPER_TAG);
err:
_EO_POINTER_ERR(cur_klass, "Class (%p) is an invalid ref.", cur_klass);
return NULL;
#ifdef EO_DEBUG
err_obj:
_EO_POINTER_ERR(obj, "Object (%p) is an invalid ref, class=%p (%s).", obj, cur_klass, efl_class_name_get(cur_klass));
return NULL;
err_obj_hierarchy:
_EO_POINTER_ERR(obj, "Object (%p) class=%p (%s) is not an instance of class=%p (%s).", obj, efl_class_get(obj), efl_class_name_get(obj), cur_klass, efl_class_name_get(cur_klass));
#endif
return NULL;
}
EAPI Eina_Bool
_efl_object_call_resolve(Eo *eo_id, const char *func_name, Efl_Object_Op_Call_Data *call, Efl_Object_Call_Cache *cache, const char *file, int line)
{
const _Efl_Class *klass, *inputklass, *main_klass;
const _Efl_Class *cur_klass = NULL;
_Eo_Object *obj = NULL;
const Eo_Vtable *vtable = NULL;
const op_type_funcs *func;
Eina_Bool is_obj;
Eina_Bool is_override = EINA_FALSE;
if (((Eo_Id) eo_id) & MASK_SUPER_TAG)
{
cur_klass = _super_class;
_super_class = NULL;
eina_spinlock_release(&_super_class_lock);
eo_id = (Eo *) ((Eo_Id) eo_id & ~MASK_SUPER_TAG);
}
if (EINA_UNLIKELY(!eo_id)) return EINA_FALSE;
call->eo_id = eo_id;
is_obj = _eo_is_a_obj(eo_id);
if (is_obj)
{
EO_OBJ_POINTER_RETURN_VAL_PROXY(eo_id, _obj, EINA_FALSE);
obj = _obj;
klass = _obj->klass;
vtable = obj->vtable;
if (_obj_is_override(obj) && cur_klass &&
(_eo_class_id_get(cur_klass) == EFL_OBJECT_OVERRIDE_CLASS))
{
/* Doing a efl_super(obj, EFL_OBJECT_OVERRIDE_CLASS) should result in calling
* as if it's a normal class. */
vtable = &klass->vtable;
cur_klass = NULL;
}
is_override = _obj_is_override(obj) && (cur_klass == NULL);
call->obj = obj;
_efl_ref(_obj);
}
else
{
// YES this is a goto with a label to return. this is a
// micro-optimization to move infrequent code out of the
// hot path of the function
goto ok_klass;
}
ok_klass_back:
inputklass = main_klass = klass;
if (!cache->op) goto err_cache_op;
/* If we have a current class, we need to itr to the next. */
if (cur_klass)
{
// YES this is a goto with a label to return. this is a
// micro-optimization to move infrequent code out of the
// hot path of the function
goto ok_cur_klass;
}
else
{
# if EFL_OBJECT_CALL_CACHE_SIZE > 0
if (!is_override)
{
# if EFL_OBJECT_CALL_CACHE_SIZE > 1
int i;
for (i = 0; i < EFL_OBJECT_CALL_CACHE_SIZE; i++)
# else
const int i = 0;
# endif
{
if ((const void *)inputklass == cache->index[i].klass)
{
func = (const op_type_funcs *)cache->entry[i].func;
call->func = func->func;
if (is_obj)
call->data = (char *)obj + cache->off[i].off;
return EINA_TRUE;
}
}
}
#endif
func = _vtable_func_get(vtable, cache->op);
// this is not very likely to happen - but may if its an invalid
// call or a composite object, but either way, it's not very likely
// so make it a goto to save on instruction cache
if (!func) goto end;
}
ok_cur_klass_back:
if (EINA_LIKELY(func->func && func->src))
{
call->func = func->func;
if (is_obj) call->data = _efl_data_scope_get(obj, func->src);
# if EFL_OBJECT_CALL_CACHE_SIZE > 0
if (!cur_klass && !is_override)
{
# if EFL_OBJECT_CALL_CACHE_SIZE > 1
const int slot = cache->next_slot;
# else
const int slot = 0;
# endif
cache->index[slot].klass = (const void *)inputklass;
cache->entry[slot].func = (const void *)func;
cache->off[slot].off = (int)((long)((char *)call->data - (char *)obj));
# if EFL_OBJECT_CALL_CACHE_SIZE > 1
cache->next_slot = (slot + 1) % EFL_OBJECT_CALL_CACHE_SIZE;
# endif
}
#endif
return EINA_TRUE;
}
// very unlikely in general to use a goto to move code out of l1 cache
// ie instruction cache
if (func->src != NULL) goto err_func_src;
end:
/* Try composite objects */
if (is_obj)
{
Eina_List *itr;
Eo *emb_obj_id;
EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj_id)
{
EO_OBJ_POINTER_PROXY(emb_obj_id, emb_obj);
if (EINA_UNLIKELY(!emb_obj)) continue;
func = _vtable_func_get(emb_obj->vtable, cache->op);
if (func == NULL) goto composite_continue;
if (EINA_LIKELY(func->func && func->src))
{
call->eo_id = _eo_obj_id_get(emb_obj);
call->obj = _efl_ref(emb_obj);
call->func = func->func;
call->data = _efl_data_scope_get(emb_obj, func->src);
/* We reffed it above, but no longer need/use it. */
_efl_unref(obj);
EO_OBJ_DONE(emb_obj_id);
return EINA_TRUE;
}
composite_continue:
EO_OBJ_DONE(emb_obj_id);
}
}
// all of this is error handling at the end so... rare-ish
// If it's a do_super call.
if (cur_klass)
{
ERR("in %s:%d: func '%s' (%d) could not be resolved for class '%s' for super of '%s'.",
file, line, func_name, cache->op, main_klass->desc->name,
cur_klass->desc->name);
goto err;
}
else
{
/* we should not be able to take this branch */
ERR("in %s:%d: func '%s' (%d) could not be resolved for class '%s'.",
file, line, func_name, cache->op, main_klass->desc->name);
goto err;
}
err_cache_op:
ERR("%s:%d: unable to resolve %s api func '%s' in class '%s'.",
file, line, (!is_obj ? "class" : "regular"),
func_name, klass->desc->name);
goto err;
err_func_src:
ERR("in %s:%d: you called a pure virtual func '%s' (%d) of class '%s'.",
file, line, func_name, cache->op, klass->desc->name);
err:
if (is_obj)
{
_efl_unref(obj);
_eo_obj_pointer_done((Eo_Id)eo_id);
}
return EINA_FALSE;
// yes - special "move out of hot path" code blobs with goto's for
// speed reasons to have intr prefetches work better and miss less
ok_cur_klass:
func = _eo_kls_itr_next(klass, cur_klass, cache->op);
if (!func) goto end;
klass = func->src;
goto ok_cur_klass_back;
ok_klass:
{
EO_CLASS_POINTER_GOTO_PROXY(eo_id, _klass, err_klass);
klass = _klass;
vtable = &klass->vtable;
call->obj = NULL;
call->data = NULL;
}
goto ok_klass_back;
err_klass:
_EO_POINTER_ERR(eo_id, "in %s:%d: func '%s': obj_id=%p is an invalid ref.", file, line, func_name, eo_id);
return EINA_FALSE;
}
EAPI void
_efl_object_call_end(Efl_Object_Op_Call_Data *call)
{
if (EINA_LIKELY(!!call->obj))
{
_efl_unref(call->obj);
_eo_obj_pointer_done((Eo_Id)call->eo_id);
}
}
static inline Eina_Bool
_eo_api_func_equal(const void *api_func1, const void *api_func2)
{
#ifndef _WIN32
return (api_func1 == api_func2);
#else
/* On Windows, DLL API's will be exported using the dllexport flag.
* When used by another library or executable, they will be declared
* using the dllimport flag. What happens really is that two symbols are
* created, at two different addresses. So it's impossible to match
* them. We fallback to plain string comparison based on the
* function name itself. Slow, but this should rarely happen.
*/
return (api_func2 && api_func1 && !strcmp(api_func2, api_func1));
#endif
}
static inline Efl_Object_Op
_efl_object_api_op_id_get_internal(const void *api_func)
{
eina_spinlock_take(&_ops_storage_lock);
#ifndef _WIN32
Efl_Object_Op op = (uintptr_t) eina_hash_find(_ops_storage, &api_func);
#else
Efl_Object_Op op = (uintptr_t) eina_hash_find(_ops_storage, api_func);
#endif
eina_spinlock_release(&_ops_storage_lock);
return op;
}
/* LEGACY, should be removed before next release */
EAPI Efl_Object_Op
_efl_object_api_op_id_get(const void *api_func)
{
Efl_Object_Op op = _efl_object_api_op_id_get_internal(api_func);
if (op == EFL_NOOP)
{
ERR("Unable to resolve op for api func %p", api_func);
}
return op;
}
EAPI Efl_Object_Op
_efl_object_op_api_id_get(const void *api_func, const Eo *obj, const char *api_func_name, const char *file, int line)
{
Efl_Object_Op op = _efl_object_api_op_id_get_internal(api_func);
if (op == EFL_NOOP)
{
eina_log_print(_eo_log_dom, EINA_LOG_LEVEL_ERR,
file, api_func_name, line,
"Unable to resolve op for api func %p for obj=%p (%s)", api_func, obj, efl_class_name_get(obj));
}
return op;
}
/* klass is the klass we are working on. hierarchy_klass is the class whe should
* use when validating. */
static Eina_Bool
_eo_class_funcs_set(Eo_Vtable *vtable, const Efl_Object_Ops *ops, const _Efl_Class *hierarchy_klass, const _Efl_Class *klass, Efl_Object_Op id_offset, Eina_Bool override_only)
{
unsigned int i;
Efl_Object_Op op_id;
const void *last_api_func;
const Efl_Op_Description *op_desc;
const Efl_Op_Description *op_descs;
op_id = hierarchy_klass->base_id + id_offset;
op_descs = ops->descs;
DBG("Set functions for class '%s':%p", klass->desc->name, klass);
if (!op_descs) return EINA_TRUE;
last_api_func = NULL;
for (i = 0, op_desc = op_descs; i < ops->count; i++, op_desc++)
{
Efl_Object_Op op = EFL_NOOP;
if (op_desc->api_func == NULL)
{
ERR("Class '%s': NULL API not allowed (NULL->%p '%s').",
klass->desc->name, op_desc->func, _eo_op_desc_name_get(op_desc));
return EINA_FALSE;
}
/* Get the opid for the function. */
{
if (_eo_api_func_equal(op_desc->api_func, last_api_func))
{
ERR("Class '%s': API previously defined (%p->%p '%s').",
klass->desc->name, op_desc->api_func, op_desc->func, _eo_op_desc_name_get(op_desc));
return EINA_FALSE;
}
op = _efl_object_api_op_id_get_internal(op_desc->api_func);
if (op == EFL_NOOP)
{
if (override_only)
{
ERR("Class '%s': Tried overriding a previously undefined function.", klass->desc->name);
return EINA_FALSE;
}
op = op_id;
eina_spinlock_take(&_ops_storage_lock);
#ifndef _WIN32
eina_hash_add(_ops_storage, &op_desc->api_func, (void *) (uintptr_t) op);
#else
eina_hash_add(_ops_storage, op_desc->api_func, (void *) (uintptr_t) op);
#endif
eina_spinlock_release(&_ops_storage_lock);
op_id++;
}
}
DBG("%p->%p '%s'", op_desc->api_func, op_desc->func, _eo_op_desc_name_get(op_desc));
if (!_vtable_func_set(vtable, klass, op, op_desc->func, EINA_FALSE))
return EINA_FALSE;
last_api_func = op_desc->api_func;
}
return EINA_TRUE;
}
EAPI Eina_Bool
efl_class_functions_set(const Efl_Class *klass_id, const Efl_Object_Ops *object_ops, const Efl_Object_Ops *class_ops)
{
EO_CLASS_POINTER_GOTO(klass_id, klass, err_klass);
Efl_Object_Ops empty_ops = { 0 };
// not likely so use goto to alleviate l1 instruction cache of rare code
if (klass->functions_set) goto err_funcs;
klass->functions_set = EINA_TRUE;
if (!object_ops) object_ops = &empty_ops;
if (!class_ops) class_ops = &empty_ops;
klass->ops_count = object_ops->count + class_ops->count;
klass->base_id = _eo_ops_last_id;
_eo_ops_last_id += klass->ops_count + 1;
_vtable_init(&klass->vtable, DICH_CHAIN1(_eo_ops_last_id) + 1);
/* Flatten the function array */
{
const _Efl_Class **mro_itr = klass->mro;
for ( ; *mro_itr ; mro_itr++) ;
/* Skip ourselves. */
for ( mro_itr-- ; mro_itr > klass->mro ; mro_itr--)
_vtable_copy_all(&klass->vtable, &(*mro_itr)->vtable);
}
return _eo_class_funcs_set(&klass->vtable, object_ops, klass, klass, 0, EINA_FALSE) &&
_eo_class_funcs_set(&klass->vtable, class_ops, klass, klass, object_ops->count, EINA_FALSE);
err_funcs:
ERR("Class %s already had its functions set..", klass->desc->name);
return EINA_FALSE;
err_klass:
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
return EINA_FALSE;
}
EAPI Eo *
_efl_add_internal_start(const char *file, int line, const Efl_Class *klass_id, Eo *parent_id, Eina_Bool ref EINA_UNUSED, Eina_Bool is_fallback)
{
const char *func_name = __FUNCTION__;
_Eo_Object *obj;
Eo_Stack_Frame *fptr = NULL;
if (is_fallback) fptr = _efl_add_fallback_stack_push(NULL);
EO_CLASS_POINTER_GOTO_PROXY(klass_id, klass, err_klass);
if (parent_id)
{
EO_OBJ_POINTER_GOTO_PROXY(parent_id, parent, err_parent);
}
// not likely so use goto to alleviate l1 instruction cache of rare code
if (EINA_UNLIKELY(klass->desc->type != EFL_CLASS_TYPE_REGULAR))
goto err_noreg;
eina_spinlock_take(&klass->objects.trash_lock);
obj = eina_trash_pop(&klass->objects.trash);
if (obj)
{
memset(obj, 0, klass->obj_size);
klass->objects.trash_count--;
}
else
{
obj = calloc(1, klass->obj_size);
}
eina_spinlock_release(&klass->objects.trash_lock);
obj->refcount++;
obj->klass = klass;
obj->vtable = &klass->vtable;
#ifndef HAVE_EO_ID
EINA_MAGIC_SET((Eo_Header *) obj, EO_EINA_MAGIC);
#endif
obj->header.id = _eo_id_allocate(obj, parent_id);
Eo *eo_id = _eo_obj_id_get(obj);
_eo_log_obj_new(obj);
_eo_condtor_reset(obj);
efl_ref(eo_id);
/* Reference for the parent if is_ref is done in _efl_add_end */
efl_parent_set(eo_id, parent_id);
/* eo_id can change here. Freeing is done on the resolved object. */
eo_id = efl_constructor(eo_id);
// not likely so use goto to alleviate l1 instruction cache of rare code
if (!eo_id) goto err_noid;
// not likely so use goto to alleviate l1 instruction cache of rare code
else if (eo_id != _eo_obj_id_get(obj)) goto ok_nomatch;
ok_nomatch_back:
if (is_fallback) fptr->obj = eo_id;
if (parent_id) EO_OBJ_DONE(parent_id);
return eo_id;
ok_nomatch:
{
EO_OBJ_POINTER_GOTO_PROXY(eo_id, new_obj, err_newid);
/* We have two refs at this point. */
_efl_unref(obj);
efl_del((Eo *)obj->header.id);
_efl_ref(new_obj);
EO_OBJ_DONE(eo_id);
}
goto ok_nomatch_back;
err_noid:
ERR("in %s:%d: Object of class '%s' - Error while constructing object",
file, line, klass->desc->name);
/* We have two refs at this point. */
_efl_unref(obj);
efl_del((Eo *) obj->header.id);
err_newid:
if (parent_id) EO_OBJ_DONE(parent_id);
return NULL;
err_noreg:
ERR("in %s:%d: Class '%s' is not instantiate-able. Aborting.", file, line, klass->desc->name);
if (parent_id) EO_OBJ_DONE(parent_id);
return NULL;
err_klass:
_EO_POINTER_ERR(klass_id, "in %s:%d: Class (%p) is an invalid ref.", file, line, klass_id);
err_parent:
return NULL;
}
static Eo *
_efl_add_internal_end(Eo *eo_id, Eo *finalized_id)
{
EO_OBJ_POINTER_RETURN_VAL(eo_id, obj, NULL);
// rare so move error handling to end to save l1 instruction cache
if (!obj->condtor_done) goto err_condtor;
if (!finalized_id)
{
// XXX: Given EFL usage of objects, construction is a perfectly valid thing
// to do. we shouldn't complain about it as handling a NULL obj creation is
// the job of the caller. a perfect example here is ecore_con and ecore_ipc
// where you create a con or ipc obj then set up type/destination/port and
// the finalize of the constructor does the actual connect and thus this
// fails or succeeds based on if service is there.
//
// until there is a better solution - don't complain here.
//
// ERR("Object of class '%s' - Finalizing the object failed.",
// klass->desc->name);
goto cleanup;
}
obj->finalized = EINA_TRUE;
_efl_unref(obj);
EO_OBJ_DONE(eo_id);
return (Eo *)eo_id;
err_condtor:
{
const _Efl_Class *klass = obj->klass;
ERR("Object of class '%s' - Not all of the object constructors have been executed.",
klass->desc->name);
}
cleanup:
_efl_unref(obj);
efl_del((Eo *) obj->header.id);
EO_OBJ_DONE(eo_id);
return NULL;
}
EAPI Eo *
_efl_add_end(Eo *eo_id, Eina_Bool is_ref, Eina_Bool is_fallback)
{
Eo *ret = efl_finalize(eo_id);
ret = _efl_add_internal_end(eo_id, ret);
if (is_ref)
{
if (efl_parent_get(eo_id))
{
efl_ref(eo_id);
}
_efl_object_parent_sink_set(eo_id, EINA_TRUE);
}
if (is_fallback)
{
_efl_add_fallback_stack_pop();
}
return ret;
}
EAPI void
efl_reuse(const Eo *_obj)
{
Eo *obj = (Eo *) _obj;
efl_object_override(obj, NULL);
_efl_object_parent_sink_set(obj, EINA_FALSE);
}
void
_eo_free(_Eo_Object *obj)
{
_Efl_Class *klass = (_Efl_Class*) obj->klass;
_eo_log_obj_free(obj);
#ifdef EO_DEBUG
if (obj->datarefcount)
{
ERR("Object %p data still referenced %d time(s).", obj, obj->datarefcount);
}
#endif
if (_obj_is_override(obj))
{
_vtable_func_clean_all(obj->vtable);
eina_freeq_ptr_main_add(obj->vtable, free, 0);
obj->vtable = &klass->vtable;
}
_eo_id_release((Eo_Id) _eo_obj_id_get(obj));
eina_spinlock_take(&klass->objects.trash_lock);
if ((klass->objects.trash_count <= 8) && (EINA_LIKELY(!_eo_trash_bypass)))
{
eina_trash_push(&klass->objects.trash, obj);
klass->objects.trash_count++;
}
else
{
eina_freeq_ptr_main_add(obj, free, klass->obj_size);
}
eina_spinlock_release(&klass->objects.trash_lock);
}
/*****************************************************************************/
EAPI const Efl_Class *
efl_class_get(const Eo *eo_id)
{
const Efl_Class *klass;
if (_eo_is_a_class(eo_id))
{
EO_CLASS_POINTER_GOTO(eo_id, _klass, err_klass);
return EFL_CLASS_CLASS;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
klass = _eo_class_id_get(obj->klass);
EO_OBJ_DONE(eo_id);
return klass;
err_klass:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
err_obj:
return NULL;
}
EAPI const char *
efl_class_name_get(const Efl_Class *eo_id)
{
const _Efl_Class *klass;
if (_eo_is_a_class(eo_id))
{
EO_CLASS_POINTER_GOTO(eo_id, _klass, err_klass);
klass = _klass;
}
else
{
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
klass = obj->klass;
EO_OBJ_DONE(eo_id);
}
return klass->desc->name;
err_klass:
_EO_POINTER_ERR(eo_id, "Class (%p) is an invalid ref.", eo_id);
err_obj:
return NULL;
}
static void
_vtable_init(Eo_Vtable *vtable, size_t size)
{
vtable->size = size;
vtable->chain = calloc(vtable->size, sizeof(*vtable->chain));
}
#ifdef EO_DEBUG
static Eina_Bool
_eo_class_mro_has(const _Efl_Class *klass, const _Efl_Class *find)
{
const _Efl_Class **itr;
for (itr = klass->mro ; *itr ; itr++)
{
if (*itr == find)
{
return EINA_TRUE;
}
}
return EINA_FALSE;
}
#endif
static Eina_List *
_eo_class_list_remove_duplicates(Eina_List* list)
{
Eina_List *itr1, *itr2, *itr2n;
itr1 = eina_list_last(list);
while (itr1)
{
itr2 = eina_list_prev(itr1);
while (itr2)
{
itr2n = eina_list_prev(itr2);
if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
{
list = eina_list_remove_list(list, itr2);
}
itr2 = itr2n;
}
itr1 = eina_list_prev(itr1);
}
return list;
}
static Eina_List *
_eo_class_mro_add(Eina_List *mro, const _Efl_Class *klass)
{
if (!klass)
return mro;
mro = eina_list_append(mro, klass);
/* Recursively add MIXINS extensions. */
{
const _Efl_Class **extn_itr;
for (extn_itr = klass->extensions ; *extn_itr ; extn_itr++)
{
const _Efl_Class *extn = *extn_itr;
if (extn->desc->type == EFL_CLASS_TYPE_MIXIN)
mro = _eo_class_mro_add(mro, extn);
}
}
mro = _eo_class_mro_add(mro, klass->parent);
return mro;
}
static Eina_List *
_eo_class_mro_init(const Efl_Class_Description *desc, const _Efl_Class *parent, Eina_List *extensions)
{
Eina_List *mro = NULL;
Eina_List *extn_itr = NULL;
Eina_List *extn_pos = NULL;
const _Efl_Class *extn = NULL;
/* Add MIXINS extensions. */
EINA_LIST_FOREACH(extensions, extn_itr, extn)
{
if (extn->desc->type != EFL_CLASS_TYPE_MIXIN)
continue;
mro = _eo_class_mro_add(mro, extn);
extn_pos = eina_list_append(extn_pos, eina_list_last(mro));
}
/* Check if we can create a consistent mro */
{
Eina_List *itr = extn_pos;
EINA_LIST_FOREACH(extensions, extn_itr, extn)
{
if (extn->desc->type != EFL_CLASS_TYPE_MIXIN)
continue;
/* Get the first one after the extension. */
Eina_List *extn_list = eina_list_next(eina_list_data_get(itr));
/* If we found the extension again. */
if (eina_list_data_find_list(extn_list, extn))
{
eina_list_free(mro);
eina_list_free(extn_pos);
ERR("Cannot create a consistent method resolution order for class '%s' because of '%s'.", desc->name, extn->desc->name);
return NULL;
}
itr = eina_list_next(itr);
}
}
eina_list_free(extn_pos);
mro = _eo_class_mro_add(mro, parent);
mro = _eo_class_list_remove_duplicates(mro);
/* Will be replaced with the actual class pointer */
mro = eina_list_prepend(mro, NULL);
return mro;
}
static Eina_Bool
_eo_class_initializer(_Efl_Class *klass)
{
if (klass->desc->class_initializer)
return klass->desc->class_initializer(_eo_class_id_get(klass));
return EINA_TRUE;
}
static void
_eo_class_constructor(_Efl_Class *klass)
{
klass->constructed = EINA_TRUE;
if (klass->desc->class_constructor)
klass->desc->class_constructor(_eo_class_id_get(klass));
}
static void
eo_class_free(_Efl_Class *klass)
{
void *data;
if (klass->constructed)
{
if (klass->desc->class_destructor)
klass->desc->class_destructor(_eo_class_id_get(klass));
_vtable_func_clean_all(&klass->vtable);
}
EINA_TRASH_CLEAN(&klass->objects.trash, data)
eina_freeq_ptr_main_add(data, free, klass->obj_size);
EINA_TRASH_CLEAN(&klass->iterators.trash, data)
eina_freeq_ptr_main_add(data, free, 0);
eina_spinlock_free(&klass->objects.trash_lock);
eina_spinlock_free(&klass->iterators.trash_lock);
eina_freeq_ptr_main_add(klass, free, 0);
}
/* Not really called, just used for the ptr... */
static void
_eo_class_isa_func(Eo *eo_id EINA_UNUSED, void *class_data EINA_UNUSED)
{
/* Do nonthing. */
}
static void
_eo_class_isa_recursive_set(_Efl_Class *klass, const _Efl_Class *cur)
{
const _Efl_Class **extn_itr;
_vtable_func_set(&klass->vtable, klass, cur->base_id + cur->ops_count,
_eo_class_isa_func, EINA_TRUE);
for (extn_itr = cur->extensions ; *extn_itr ; extn_itr++)
{
_eo_class_isa_recursive_set(klass, *extn_itr);
}
if (cur->parent)
{
_eo_class_isa_recursive_set(klass, cur->parent);
}
}
static inline void
_eo_classes_release(void)
{
#ifdef HAVE_MMAP
size_t size;
size = _eo_classes_alloc * sizeof(_Efl_Class *);
if (_eo_classes) munmap(_eo_classes, size);
#else
free(_eo_classes);
#endif
_eo_classes = NULL;
_eo_classes_last_id = 0;
_eo_classes_alloc = 0;
}
static inline void
_eo_classes_expand(void)
{
unsigned char *ptr;
size_t newsize, psize;
_eo_classes_last_id++;
if (_eo_classes_last_id <= _eo_classes_alloc) return;
psize = _eo_classes_alloc * sizeof(_Efl_Class *);
#ifdef HAVE_MMAP
_eo_classes_alloc += (MEM_PAGE_SIZE / sizeof(_Efl_Class *));
newsize = _eo_classes_alloc * sizeof(_Efl_Class *);
ptr = mmap(NULL, newsize, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (ptr == MAP_FAILED)
{
ERR("mmap of eo class table region failed!");
abort();
}
if (psize > 0) memcpy(ptr, _eo_classes, psize);
if (_eo_classes) munmap(_eo_classes, psize);
#else
_eo_classes_alloc += 128;
newsize = _eo_classes_alloc * sizeof(_Efl_Class *);
ptr = realloc(_eo_classes, newsize);
if (!ptr)
{
ERR("realloc of eo class table region faile!!");
abort();
}
#endif
memset(ptr + psize, 0, newsize - psize);
_eo_classes = (_Efl_Class **)ptr;
}
EAPI const Efl_Class *
efl_class_new(const Efl_Class_Description *desc, const Efl_Class *parent_id, ...)
{
_Efl_Class *klass;
va_list p_list;
size_t extn_sz, mro_sz, mixins_sz;
Eina_List *extn_list, *mro, *mixins;
_Efl_Class *parent = NULL;
EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
EINA_SAFETY_ON_NULL_RETURN_VAL(desc->name, NULL);
if (parent_id)
{
parent = _eo_class_pointer_get(parent_id, __FUNCTION__, __FILE__, __LINE__);
if (!parent)
return NULL;
}
/* Check restrictions on Interface types. */
if (desc->type == EFL_CLASS_TYPE_INTERFACE)
{
EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->data_size, NULL);
}
/* Check parent */
if (parent)
{
/* Verify the inheritance is allowed. */
switch (desc->type)
{
case EFL_CLASS_TYPE_REGULAR:
case EFL_CLASS_TYPE_REGULAR_NO_INSTANT:
if ((parent->desc->type != EFL_CLASS_TYPE_REGULAR) &&
(parent->desc->type != EFL_CLASS_TYPE_REGULAR_NO_INSTANT))
{
ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').",
desc->name, parent->desc->name);
return NULL;
}
break;
case EFL_CLASS_TYPE_INTERFACE:
case EFL_CLASS_TYPE_MIXIN:
if ((parent->desc->type != EFL_CLASS_TYPE_INTERFACE) &&
(parent->desc->type != EFL_CLASS_TYPE_MIXIN))
{
ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').",
desc->name, parent->desc->name);
return NULL;
}
break;
}
}
/* Build class extensions list */
{
DBG("Started building extensions list for class '%s'", desc->name);
extn_list = NULL;
const _Efl_Class *extn = NULL;
const Eo_Id *extn_id = NULL;
va_start(p_list, parent_id);
extn_id = va_arg(p_list, Eo_Id *);
while (extn_id)
{
extn = _eo_class_pointer_get((Efl_Class *)extn_id, __FUNCTION__, __FILE__, __LINE__);
if (EINA_LIKELY(extn != NULL))
{
switch (extn->desc->type)
{
case EFL_CLASS_TYPE_REGULAR_NO_INSTANT:
case EFL_CLASS_TYPE_REGULAR:
case EFL_CLASS_TYPE_INTERFACE:
case EFL_CLASS_TYPE_MIXIN:
extn_list = eina_list_append(extn_list, extn);
break;
}
}
extn_id = va_arg(p_list, Eo_Id *);
}
va_end(p_list);
extn_list = _eo_class_list_remove_duplicates(extn_list);
extn_sz = sizeof(_Efl_Class *) * (eina_list_count(extn_list) + 1);
DBG("Finished building extensions list for class '%s'", desc->name);
}
/* Prepare mro list */
{
DBG("Started building MRO list for class '%s'", desc->name);
mro = _eo_class_mro_init(desc, parent, extn_list);
if (!mro)
{
eina_list_free(extn_list);
return NULL;
}
mro_sz = sizeof(_Efl_Class *) * (eina_list_count(mro) + 1);
DBG("Finished building MRO list for class '%s'", desc->name);
}
/* Prepare mixins list */
{
Eina_List *itr;
const _Efl_Class *kls_itr;
DBG("Started building Mixins list for class '%s'", desc->name);
mixins = NULL;
EINA_LIST_FOREACH(mro, itr, kls_itr)
{
if ((kls_itr) && (kls_itr->desc->type == EFL_CLASS_TYPE_MIXIN) &&
(kls_itr->desc->data_size > 0))
mixins = eina_list_append(mixins, kls_itr);
}
mixins_sz = sizeof(Eo_Extension_Data_Offset) * (eina_list_count(mixins) + 1);
if ((desc->type == EFL_CLASS_TYPE_MIXIN) && (desc->data_size > 0))
mixins_sz += sizeof(Eo_Extension_Data_Offset);
DBG("Finished building Mixins list for class '%s'", desc->name);
}
klass = calloc(1, _eo_class_sz + extn_sz + mro_sz + mixins_sz);
#ifndef HAVE_EO_ID
EINA_MAGIC_SET((Eo_Header *) klass, EO_CLASS_EINA_MAGIC);
#endif
eina_spinlock_new(&klass->objects.trash_lock);
eina_spinlock_new(&klass->iterators.trash_lock);
klass->parent = parent;
klass->desc = desc;
klass->extensions = (const _Efl_Class **) ((char *) klass + _eo_class_sz);
klass->mro = (const _Efl_Class **) ((char *) klass->extensions + extn_sz);
klass->extn_data_off = (Eo_Extension_Data_Offset *) ((char *) klass->mro + mro_sz);
if (klass->parent)
{
/* FIXME: Make sure this alignment is enough. */
klass->data_offset = klass->parent->data_offset +
EO_ALIGN_SIZE(klass->parent->desc->data_size);
}
else
{
/* Data starts after the object size. */
klass->data_offset = _eo_sz;
}
mro = eina_list_remove(mro, NULL);
mro = eina_list_prepend(mro, klass);
if ((desc->type == EFL_CLASS_TYPE_MIXIN) && (desc->data_size > 0))
mixins = eina_list_prepend(mixins, klass);
/* Copy the extensions and free the list */
{
const _Efl_Class *extn = NULL;
const _Efl_Class **extn_itr = klass->extensions;
EINA_LIST_FREE(extn_list, extn)
{
*(extn_itr++) = extn;
DBG("Added '%s' extension", extn->desc->name);
}
*(extn_itr) = NULL;
}
/* Copy the mro and free the list. */
{
const _Efl_Class *kls_itr = NULL;
const _Efl_Class **mro_itr = klass->mro;
EINA_LIST_FREE(mro, kls_itr)
{
*(mro_itr++) = kls_itr;
DBG("Added '%s' to MRO", kls_itr->desc->name);
}
*(mro_itr) = NULL;
}
size_t extn_data_off = klass->data_offset;
if (klass->desc->type != EFL_CLASS_TYPE_MIXIN)
extn_data_off += EO_ALIGN_SIZE(klass->desc->data_size);
/* Feed the mixins data offsets and free the mixins list. */
{
const _Efl_Class *kls_itr = NULL;
Eo_Extension_Data_Offset *extn_data_itr = klass->extn_data_off;
EINA_LIST_FREE(mixins, kls_itr)
{
extn_data_itr->klass = kls_itr;
extn_data_itr->offset = extn_data_off;
extn_data_off += EO_ALIGN_SIZE(extn_data_itr->klass->desc->data_size);
extn_data_itr++;
DBG("Added '%s' to Data Offset info", kls_itr->desc->name);
}
extn_data_itr->klass = 0;
extn_data_itr->offset = 0;
}
klass->obj_size = extn_data_off;
{
Eo_Id new_id;
eina_lock_take(&_efl_class_creation_lock);
new_id = (_eo_classes_last_id + 1) | MASK_CLASS_TAG;
_eo_classes_expand();
_eo_classes[_UNMASK_ID(new_id) - 1] = klass;
eina_lock_release(&_efl_class_creation_lock);
klass->header.id = new_id;
}
if (!_eo_class_initializer(klass))
{
return NULL;
}
/* If functions haven't been set, invoke it with an empty ops structure. */
if (!klass->functions_set)
{
efl_class_functions_set(_eo_class_id_get(klass), NULL, NULL);
}
/* Mark which classes we implement */
if (klass->vtable.size)
{
_eo_class_isa_recursive_set(klass, klass);
}
_eo_class_constructor(klass);
DBG("Finished building class '%s'", klass->desc->name);
return _eo_class_id_get(klass);
}
EAPI Eina_Bool
efl_object_override(Eo *eo_id, const Efl_Object_Ops *ops)
{
EO_OBJ_POINTER_RETURN_VAL(eo_id, obj, EINA_FALSE);
EO_CLASS_POINTER_GOTO(EFL_OBJECT_OVERRIDE_CLASS, klass, err_done);
Eo_Vtable *previous = obj->vtable;
if (ops)
{
if (obj->vtable == &obj->klass->vtable)
{
obj->vtable = calloc(1, sizeof(*obj->vtable));
_vtable_init(obj->vtable, previous->size);
_vtable_copy_all(obj->vtable, previous);
// rare so move error handling to end to save l1 instruction cache
if (!_eo_class_funcs_set(obj->vtable, ops, obj->klass,
klass, 0, EINA_TRUE))
goto err;
goto done;
}
// rare so move error handling to end to save l1 instruction cache
else goto err_already;
}
else
{
if (obj->vtable != &obj->klass->vtable)
{
eina_freeq_ptr_main_add(obj->vtable, free, 0);
obj->vtable = (Eo_Vtable *) &obj->klass->vtable;
}
}
done:
EO_OBJ_DONE(eo_id);
return EINA_TRUE;
err_already:
ERR("Function table already overridden, not allowed to override again. "
"Call with NULL to reset the function table first.");
goto err_done;
err:
ERR("Failed to override functions for %p", eo_id);
err_done:
EO_OBJ_DONE(eo_id);
return EINA_FALSE;
}
EAPI Eina_Bool
efl_isa(const Eo *eo_id, const Efl_Class *klass_id)
{
Efl_Id_Domain domain;
Eo_Id_Data *data;
Eo_Id_Table_Data *tdata;
Eina_Bool isa = EINA_FALSE;
if (EINA_UNLIKELY(!eo_id)) return EINA_FALSE;
domain = ((Eo_Id)eo_id >> SHIFT_DOMAIN) & MASK_DOMAIN;
data = _eo_table_data_get();
tdata = _eo_table_data_table_get(data, domain);
if (EINA_UNLIKELY(!tdata)) goto err;
if (EINA_LIKELY(domain != EFL_ID_DOMAIN_SHARED))
{
if ((tdata->cache.isa_id == eo_id) &&
(tdata->cache.klass == klass_id))
{
isa = tdata->cache.isa;
return isa;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_obj);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_class);
const op_type_funcs *func = _vtable_func_get
(obj->vtable, klass->base_id + klass->ops_count);
// Caching the result as we do a lot of serial efl_isa due to evas_object_image using it.
tdata->cache.isa_id = eo_id;
tdata->cache.klass = klass_id;
// Currently implemented by reusing the LAST op id. Just marking it with
// _eo_class_isa_func.
isa = tdata->cache.isa = (func && (func->func == _eo_class_isa_func));
}
else
{
eina_lock_take(&(_eo_table_data_shared_data->obj_lock));
if ((tdata->cache.isa_id == eo_id) &&
(tdata->cache.klass == klass_id))
{
isa = tdata->cache.isa;
// since this is the cache we hope this gets a lot of hits and
// thus lets assume the hit is the mot important thing thus
// put the lock release and return here inline in the l1
// instruction cache hopefully already fetched
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
return isa;
}
EO_OBJ_POINTER_GOTO(eo_id, obj, err_shared_obj);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_shared_class);
const op_type_funcs *func = _vtable_func_get
(obj->vtable, klass->base_id + klass->ops_count);
// Caching the result as we do a lot of serial efl_isa due to evas_object_image using it.
tdata->cache.isa_id = eo_id;
tdata->cache.klass = klass_id;
// Currently implemented by reusing the LAST op id. Just marking it with
// _eo_class_isa_func.
isa = tdata->cache.isa = (func && (func->func == _eo_class_isa_func));
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
}
return isa;
err_shared_class:
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
err_shared_obj:
eina_lock_release(&(_eo_table_data_shared_data->obj_lock));
return EINA_FALSE;
err_class:
_EO_POINTER_ERR(klass_id, "Class (%p) is an invalid ref.", klass_id);
err_obj:
return EINA_FALSE;
err:
if (!data) return EINA_FALSE;
ERR("Object %p is not a valid object in this context: object domain: %d, "
"current domain: %d, local domain: %d, available domains: [%s %s %s %s]."
" Are you trying to access this object from another thread?",
eo_id, (int)domain,
(int)data->domain_stack[data->stack_top], (int)data->local_domain,
(data->tables[0]) ? "0" : " ", (data->tables[1]) ? "1" : " ",
(data->tables[2]) ? "2" : " ", (data->tables[3]) ? "3" : " ");
return EINA_FALSE;
}
EAPI Eo *
efl_xref_internal(const char *file, int line, Eo *obj_id, const Eo *ref_obj_id)
{
efl_ref(obj_id);
#ifdef EO_DEBUG
const char *func_name = __FUNCTION__;
EO_OBJ_POINTER_RETURN_VAL_PROXY(obj_id, obj, obj_id);
Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
xref->ref_obj = ref_obj_id;
xref->file = file;
xref->line = line;
obj->xrefs = eina_inlist_prepend(obj->xrefs, EINA_INLIST_GET(xref));
EO_OBJ_DONE(obj_id);
#else
(void) ref_obj_id;
(void) file;
(void) line;
#endif
return obj_id;
}
EAPI void
efl_xunref(Eo *obj_id, const Eo *ref_obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
#ifdef EO_DEBUG
Eo_Xref_Node *xref = NULL;
EINA_INLIST_FOREACH(obj->xrefs, xref)
{
if (xref->ref_obj == ref_obj_id)
break;
}
if (xref)
{
obj->xrefs = eina_inlist_remove(obj->xrefs, EINA_INLIST_GET(xref));
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
}
else
{
ERR("ref_obj (%p) does not reference obj (%p). Aborting unref.", ref_obj_id, obj_id);
EO_OBJ_DONE(obj_id);
return;
}
EO_OBJ_DONE(obj_id);
#else
(void) ref_obj_id;
#endif
efl_unref(obj_id);
}
EAPI Eo *
efl_ref(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, (Eo *)obj_id);
++(obj->user_refcount);
if (EINA_UNLIKELY(obj->user_refcount == 1))
_efl_ref(obj);
EO_OBJ_DONE(obj_id);
return (Eo *)obj_id;
}
EAPI void
efl_unref(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
--(obj->user_refcount);
if (EINA_UNLIKELY(obj->user_refcount <= 0))
{
if (obj->user_refcount < 0)
{
ERR("Obj:%p. User refcount (%d) < 0. Too many unrefs.", obj, obj->user_refcount);
EO_OBJ_DONE(obj_id);
return;
}
_efl_unref(obj);
}
EO_OBJ_DONE(obj_id);
}
EAPI int
efl_ref_get(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, 0);
int ref;
ref = obj->user_refcount;
EO_OBJ_DONE(obj_id);
return ref;
}
EAPI int
___efl_ref2_get(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, 0);
int ref;
ref = obj->refcount;
EO_OBJ_DONE(obj_id);
return ref;
}
EAPI void
___efl_ref2_reset(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
obj->refcount = 0;
EO_OBJ_DONE(obj_id);
}
EAPI void
efl_del_intercept_set(Eo *obj_id, Efl_Del_Intercept del_intercept_func)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
obj->del_intercept = del_intercept_func;
EO_OBJ_DONE(obj_id);
}
EAPI Efl_Del_Intercept
efl_del_intercept_get(const Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, NULL);
Efl_Del_Intercept func;
func = obj->del_intercept;
EO_OBJ_DONE(obj_id);
return func;
}
void
_eo_condtor_done(Eo *obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
if (obj->condtor_done)
{
ERR("Object %p is already constructed at this point.", obj);
EO_OBJ_DONE(obj_id);
return;
}
obj->condtor_done = EINA_TRUE;
EO_OBJ_DONE(obj_id);
}
static inline void *
_efl_data_scope_safe_get(const _Eo_Object *obj, const _Efl_Class *klass)
{
if (EINA_LIKELY(klass->desc->data_size > 0))
{
return _efl_data_scope_get(obj, klass);
}
return NULL;
}
static inline void *
_efl_data_scope_get(const _Eo_Object *obj, const _Efl_Class *klass)
{
if (EINA_LIKELY(klass->desc->type != EFL_CLASS_TYPE_MIXIN))
return ((char *) obj) + klass->data_offset;
if (EINA_UNLIKELY(klass->desc->data_size == 0))
{
return NULL;
}
else
{
Eo_Extension_Data_Offset *doff_itr = obj->klass->extn_data_off;
if (!doff_itr)
return NULL;
while (doff_itr->klass)
{
if (doff_itr->klass == klass)
return ((char *) obj) + doff_itr->offset;
doff_itr++;
}
}
return NULL;
}
static inline void *
_efl_data_xref_internal(const char *file, int line, _Eo_Object *obj, const _Efl_Class *klass, const _Eo_Object *ref_obj)
{
void *data = NULL;
if (klass != NULL)
{
data = _efl_data_scope_safe_get(obj, klass);
if (data == NULL) return NULL;
}
#ifdef EO_DEBUG
(obj->datarefcount)++;
Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
xref->ref_obj = _eo_obj_id_get(ref_obj);
xref->file = file;
xref->line = line;
obj->data_xrefs = eina_inlist_prepend(obj->data_xrefs, EINA_INLIST_GET(xref));
#else
(void) ref_obj;
(void) file;
(void) line;
#endif
return data;
}
static inline void
_efl_data_xunref_internal(_Eo_Object *obj, void *data, const _Eo_Object *ref_obj)
{
#ifdef EO_DEBUG
const _Efl_Class *klass = obj->klass;
Eina_Bool in_range = (((char *)data >= (((char *) obj) + _eo_sz)) &&
((char *)data < (((char *) obj) + klass->obj_size)));
if (!in_range)
{
ERR("Data %p is not in the data range of the object %p (%s).", data, (Eo *)obj->header.id, obj->klass->desc->name);
}
#else
(void) obj;
(void) data;
#endif
#ifdef EO_DEBUG
if (obj->datarefcount == 0)
{
ERR("Data for object %zx (%s) is already not referenced.", (size_t)_eo_obj_id_get(obj), obj->klass->desc->name);
}
else
{
(obj->datarefcount)--;
}
Eo_Xref_Node *xref = NULL;
EINA_INLIST_FOREACH(obj->data_xrefs, xref)
{
if (xref->ref_obj == _eo_obj_id_get(ref_obj))
break;
}
if (xref)
{
obj->data_xrefs = eina_inlist_remove(obj->data_xrefs, EINA_INLIST_GET(xref));
eina_freeq_ptr_main_add(xref, free, sizeof(*xref));
}
else
{
ERR("ref_obj (0x%zx) does not reference data (%p) of obj (0x%zx).", (size_t)_eo_obj_id_get(ref_obj), data, (size_t)_eo_obj_id_get(obj));
}
#else
(void) ref_obj;
#endif
}
EAPI void *
efl_data_scope_get(const Eo *obj_id, const Efl_Class *klass_id)
{
void *ret = NULL;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, NULL);
EO_CLASS_POINTER_GOTO(klass_id, klass, err_klass);
#ifdef EO_DEBUG
if (_eo_class_mro_has(obj->klass, klass))
#endif
ret = _efl_data_scope_safe_get(obj, klass);
#ifdef EO_DEBUG
// rare to make it a goto to clear out instruction cache of rare code
else goto err_mro;
// rare to make it a goto to clear out instruction cache of rare code
if (!ret && (klass->desc->data_size == 0)) goto err_ret;
EO_OBJ_DONE(obj_id);
return ret;
err_ret:
ERR("Tried getting data of class '%s', but it has none.", klass->desc->name);
goto err_klass;
err_mro:
ERR("Tried getting data of class '%s' from object of class '%s', but the former is not a direct inheritance of the latter.", klass->desc->name, obj->klass->desc->name);
#endif
err_klass:
EO_OBJ_DONE(obj_id);
return ret;
}
EAPI void *
efl_data_xref_internal(const char *file, int line, const Eo *obj_id, const Efl_Class *klass_id, const Eo *ref_obj_id)
{
void *ret = NULL;
_Efl_Class *klass = NULL;
const char *func_name = __FUNCTION__;
EO_OBJ_POINTER_RETURN_VAL_PROXY(obj_id, obj, NULL);
EO_OBJ_POINTER_PROXY(ref_obj_id, ref_obj);
if (ref_obj)
{
if (klass_id)
{
EO_CLASS_POINTER_GOTO_PROXY(klass_id, klass2, err_klass);
klass = klass2;
#ifdef EO_DEBUG
// rare to use goto to keep instruction cache cleaner
if (!_eo_class_mro_has(obj->klass, klass)) goto err_mro;
#endif
}
ret = _efl_data_xref_internal(file, line, obj, klass, ref_obj);
#ifdef EO_DEBUG
// rare to use goto to keep instruction cache cleaner
if (klass && !ret && (klass->desc->data_size == 0)) goto err_ret;
#endif
err_klass:
EO_OBJ_DONE(ref_obj_id);
}
EO_OBJ_DONE(obj_id);
return ret;
#ifdef EO_DEBUG
err_ret:
ERR("Tried getting data of class '%s', but it has none.", klass->desc->name);
goto err;
err_mro:
ERR("Tried getting data of class '%s' from object of class '%s', but the former is not a direct inheritance of the latter.", klass->desc->name, obj->klass->desc->name);
err:
EO_OBJ_DONE(obj_id);
EO_OBJ_DONE(ref_obj_id);
return NULL;
#endif
}
EAPI void
efl_data_xunref_internal(const Eo *obj_id, void *data, const Eo *ref_obj_id)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
EO_OBJ_POINTER(ref_obj_id, ref_obj);
if (ref_obj)
{
_efl_data_xunref_internal(obj, data, ref_obj);
EO_OBJ_DONE(ref_obj_id);
}
EO_OBJ_DONE(obj_id);
}
static void
_eo_table_del_cb(void *in)
{
Eo_Id_Data *data = in;
_eo_free_ids_tables(data);
}
/* FIXME: Support other domains and tables, at the moment only the main
* domain and table.
* This is used by the gdb debug helper script */
Eo_Id_Data *_eo_gdb_main_domain = NULL;
EAPI Eina_Bool
efl_object_init(void)
{
const char *log_dom = "eo";
if (_efl_object_init_count++ > 0)
return EINA_TRUE;
eina_init();
#if HAVE_VALGRIND
_eo_trash_bypass = RUNNING_ON_VALGRIND;
#endif
_efl_object_main_thread = eina_thread_self();
_eo_sz = EO_ALIGN_SIZE(sizeof(_Eo_Object));
_eo_class_sz = EO_ALIGN_SIZE(sizeof(_Efl_Class));
_eo_classes = NULL;
_eo_classes_last_id = EO_CLASS_IDS_FIRST - 1;
_eo_ops_last_id = EFL_OBJECT_OP_IDS_FIRST;
_eo_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
if (_eo_log_dom < 0)
{
EINA_LOG_ERR("Could not register log domain: %s.", log_dom);
return EINA_FALSE;
}
if (!eina_lock_recursive_new(&_efl_class_creation_lock))
{
ERR("Could not init lock.");
return EINA_FALSE;
}
if (!eina_spinlock_new(&_ops_storage_lock))
{
ERR("Could not init lock.");
return EINA_FALSE;
}
if (!eina_spinlock_new(&_super_class_lock))
{
ERR("Could not init lock.");
return EINA_FALSE;
}
_eo_log_obj_init();
eina_magic_string_static_set(EO_EINA_MAGIC, EO_EINA_MAGIC_STR);
eina_magic_string_static_set(EO_FREED_EINA_MAGIC,
EO_FREED_EINA_MAGIC_STR);
eina_magic_string_static_set(EO_CLASS_EINA_MAGIC,
EO_CLASS_EINA_MAGIC_STR);
efl_future_init();
#ifndef _WIN32
_ops_storage = eina_hash_pointer_new(NULL);
#else
_ops_storage = eina_hash_string_superfast_new(NULL);
#endif
_eo_table_data_shared = _eo_table_data_new(EFL_ID_DOMAIN_SHARED);
if (!_eo_table_data_shared)
{
ERR("Could not allocate shared table data");
return EINA_FALSE;
}
_eo_table_data_shared_data = _eo_table_data_shared->tables[EFL_ID_DOMAIN_SHARED];
// specially force eoid data to be creanted so we can switch it to domain 0
Eo_Id_Data *data = _eo_table_data_new(EFL_ID_DOMAIN_MAIN);
_eo_gdb_main_domain = data;
if (!data)
{
ERR("Could not allocate main table data");
return EINA_FALSE;
}
if (!eina_tls_cb_new(&_eo_table_data, _eo_table_del_cb))
{
ERR("Could not allocate TLS for eo domain data");
_eo_table_del_cb(data);
return EINA_FALSE;
}
eina_tls_set(_eo_table_data, data);
_efl_object_main_thread = eina_thread_self();
#ifdef EO_DEBUG
/* Call it just for coverage purposes. Ugly I know, but I like it better than
* casting everywhere else. */
_eo_class_isa_func(NULL, NULL);
#endif
_efl_add_fallback_init();
eina_log_timing(_eo_log_dom,
EINA_LOG_STATE_STOP,
EINA_LOG_STATE_INIT);
/* bootstrap EFL_CLASS_CLASS */
(void) EFL_CLASS_CLASS;
return EINA_TRUE;
}
EAPI Eina_Bool
efl_object_shutdown(void)
{
size_t i;
_Efl_Class **cls_itr = _eo_classes + _eo_classes_last_id - 1;
if (--_efl_object_init_count > 0)
return EINA_TRUE;
eina_log_timing(_eo_log_dom,
EINA_LOG_STATE_START,
EINA_LOG_STATE_SHUTDOWN);
_efl_add_fallback_shutdown();
efl_future_shutdown();
for (i = 0 ; i < _eo_classes_last_id ; i++, cls_itr--)
{
if (*cls_itr)
eo_class_free(*cls_itr);
}
eina_lock_take(&_efl_class_creation_lock);
_eo_classes_release();
eina_lock_release(&_efl_class_creation_lock);
eina_hash_free(_ops_storage);
eina_spinlock_free(&_super_class_lock);
eina_spinlock_free(&_ops_storage_lock);
eina_lock_free(&_efl_class_creation_lock);
_eo_free_ids_tables(_eo_table_data_get());
eina_tls_free(_eo_table_data);
if (_eo_table_data_shared)
{
_eo_free_ids_tables(_eo_table_data_shared);
_eo_table_data_shared = NULL;
_eo_table_data_shared_data = NULL;
}
_eo_log_obj_shutdown();
eina_log_domain_unregister(_eo_log_dom);
_eo_log_dom = -1;
++_efl_object_init_generation;
eina_shutdown();
return EINA_FALSE;
}
EAPI Efl_Id_Domain
efl_domain_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return data->local_domain;
}
EAPI Efl_Id_Domain
efl_domain_current_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return data->domain_stack[data->stack_top];
}
EAPI Eina_Bool
efl_domain_switch(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD) ||
(domain == EFL_ID_DOMAIN_SHARED))
{
ERR("Invalid domain %i being switched to", domain);
return EINA_FALSE;
}
if (data)
{
if (data->local_domain == domain) return EINA_TRUE;
_eo_free_ids_tables(data);
}
data = _eo_table_data_new(domain);
data->local_domain = domain;
data->domain_stack[data->stack_top] = domain;
eina_tls_set(_eo_table_data, data);
return EINA_TRUE;
}
static inline Eina_Bool
_efl_domain_push(Eo_Id_Data *data, Efl_Id_Domain domain)
{
if (data->stack_top >= (sizeof(data->domain_stack) - 1))
{
ERR("Failed to push domain %i on stack. Out of stack space at %i",
domain, data->stack_top);
return EINA_FALSE;
}
data->stack_top++;
data->domain_stack[data->stack_top] = domain;
return EINA_TRUE;
}
static inline void
_efl_domain_pop(Eo_Id_Data *data)
{
if (data->stack_top > 0) data->stack_top--;
}
EAPI Eina_Bool
efl_domain_current_push(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
return _efl_domain_push(data, domain);
}
EAPI void
efl_domain_current_pop(void)
{
Eo_Id_Data *data = _eo_table_data_get();
_efl_domain_pop(data);
}
EAPI Eina_Bool
efl_domain_current_set(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD))
{
ERR("Invalid domain %i being set", domain);
return EINA_FALSE;
}
data->domain_stack[data->stack_top] = domain;
return EINA_TRUE;
}
EAPI Efl_Domain_Data *
efl_domain_data_get(void)
{
Eo_Id_Data *data = _eo_table_data_get();
return (Efl_Domain_Data *)data;
}
EAPI Efl_Id_Domain
efl_domain_data_adopt(Efl_Domain_Data *data_in)
{
Eo_Id_Data *data = _eo_table_data_get();
Eo_Id_Data *data_foreign = (Eo_Id_Data *)data_in;
if (!data_foreign)
{
ERR("Trying to adopt NULL domain data [data=%p in=%p]", data, data_in);
return EFL_ID_DOMAIN_INVALID;
}
if (data_foreign->local_domain == data->local_domain)
{
ERR("Trying to adopt EO ID domain %i, is the same as the local %i [data=%p in=%p foreign=%p]",
data_foreign->local_domain, data->local_domain, data, data_in, data_foreign);
return EFL_ID_DOMAIN_INVALID;
}
if (data->tables[data_foreign->local_domain])
{
ERR("Trying to adopt an already adopted domain [data=%p in=%p foreign=%p]", data, data_in, data_foreign);
return EFL_ID_DOMAIN_INVALID;
}
data->tables[data_foreign->local_domain] =
data_foreign->tables[data_foreign->local_domain];
_efl_domain_push(data, data_foreign->local_domain);
return data->domain_stack[data->stack_top];
}
EAPI Eina_Bool
efl_domain_data_return(Efl_Id_Domain domain)
{
Eo_Id_Data *data = _eo_table_data_get();
if ((domain < EFL_ID_DOMAIN_MAIN) || (domain > EFL_ID_DOMAIN_THREAD))
{
ERR("Invalid domain %i being returned to owning thread", domain);
return EINA_FALSE;
}
if (domain == data->local_domain)
{
ERR("Cannot return the local domain %i back to its owner [data=%p]", domain, data);
return EINA_FALSE;
}
data->tables[domain] = NULL;
_efl_domain_pop(data);
return EINA_TRUE;
}
EAPI Eina_Bool
efl_compatible(const Eo *obj, const Eo *obj_target)
{
Efl_Id_Domain domain1 = ((Eo_Id)obj >> SHIFT_DOMAIN) & MASK_DOMAIN;
Efl_Id_Domain domain2 = ((Eo_Id)obj_target >> SHIFT_DOMAIN) & MASK_DOMAIN;
if (domain1 == domain2) return EINA_TRUE;
DBG("Object %p and %p are not compatible. Domain %i and %i do not match",
obj, obj_target, domain1, domain2);
return EINA_FALSE;
}
EAPI Eina_Bool
efl_destructed_is(const Eo *obj_id)
{
Eina_Bool is;
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, EINA_FALSE);
is = obj->destructed;
EO_OBJ_DONE(obj_id);
return is;
}
EAPI void
efl_manual_free_set(Eo *obj_id, Eina_Bool manual_free)
{
EO_OBJ_POINTER_RETURN(obj_id, obj);
obj->manual_free = manual_free;
EO_OBJ_DONE(obj_id);
}
EAPI Eina_Bool
efl_manual_free(Eo *obj_id)
{
EO_OBJ_POINTER_RETURN_VAL(obj_id, obj, EINA_FALSE);
// rare to use goto to keep instruction cache cleaner
if (obj->manual_free == EINA_FALSE) goto err_manual_free;
// rare to use goto to keep instruction cache cleaner
if (!obj->destructed) goto err_not_destructed;
_eo_free(obj);
EO_OBJ_DONE(obj_id);
return EINA_TRUE;
err_manual_free:
ERR("Tried to manually free the object %p while the option has not been set; see efl_manual_free_set for more information.", obj);
goto err;
err_not_destructed:
ERR("Tried deleting the object %p while still referenced(%d).", obj_id, obj->refcount);
goto err;
err:
EO_OBJ_DONE(obj_id);
return EINA_FALSE;
}
EAPI int
efl_callbacks_cmp(const Efl_Callback_Array_Item *a, const Efl_Callback_Array_Item *b)
{
if (a->desc == b->desc) return 0;
else if (a->desc > b->desc) return 1;
else return -1;
}
#ifdef EO_DEBUG
/* NOTE: cannot use ecore_time_get()! */
static inline double
_eo_log_time_now(void)
{
#ifdef HAVE_EVIL
return evil_time_get();
#elif defined(__APPLE__) && defined(__MACH__)
static double clk_conv = -1.0;
if (EINA_UNLIKELY(clk_conv < 0))
{
mach_timebase_info_data_t info;
kern_return_t err = mach_timebase_info(&info);
if (err == 0)
clk_conv = 1e-9 * (double)info.numer / (double)info.denom;
else
clk_conv = 1e-9;
}
return clk_conv * mach_absolute_time();
#else
#if defined (HAVE_CLOCK_GETTIME) || defined (EXOTIC_PROVIDE_CLOCK_GETTIME)
struct timespec t;
static int clk_id = -1;
if (EINA_UNLIKELY(clk_id == -2)) goto try_gettimeofday;
if (EINA_UNLIKELY(clk_id == -1))
{
retry_clk_id:
clk_id = CLOCK_MONOTONIC;
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("CLOCK_MONOTONIC failed!");
clk_id = CLOCK_REALTIME;
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("CLOCK_REALTIME failed!");
clk_id = -2;
goto try_gettimeofday;
}
}
}
else
{
if (EINA_UNLIKELY(clock_gettime(clk_id, &t)))
{
WRN("clk_id=%d previously ok, now failed... retry", clk_id);
goto retry_clk_id;
}
}
return (double)t.tv_sec + (((double)t.tv_nsec) / 1000000000.0);
try_gettimeofday:
#endif
{
struct timeval timev;
gettimeofday(&timev, NULL);
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
}
#endif
}
#ifdef HAVE_BACKTRACE
typedef struct _Eo_Log_Obj_Entry {
Eo_Id id;
const _Eo_Object *obj;
const _Efl_Class *klass;
double timestamp;
Eina_Bool is_free;
uint8_t bt_size;
void *bt[];
} Eo_Log_Obj_Entry;
static void
_eo_log_obj_find(const Eo_Id id, const Eo_Log_Obj_Entry **added, const Eo_Log_Obj_Entry **deleted)
{
const Eo_Log_Obj_Entry *entry;
Eina_Array_Iterator it;
unsigned int idx;
*added = NULL;
*deleted = NULL;
eina_spinlock_take(&_eo_log_objs_lock);
EINA_ARRAY_ITER_NEXT(&_eo_log_objs, idx, entry, it)
{
if (EINA_UNLIKELY(id == entry->id))
{
if (entry->is_free)
*deleted = entry;
else
{
*added = entry;
*deleted = NULL; /* forget previous add, if any */
}
}
}
eina_spinlock_release(&_eo_log_objs_lock);
}
static void
_eo_log_obj_entry_show(const Eo_Log_Obj_Entry *entry, int log_level, const char *func_name, const char *file, int line, double now)
{
uint8_t i;
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p %s obj=%p, class=%p (%s) [%0.4fs, %0.4f ago]:",
(void *)entry->id,
entry->is_free ? "deleted" : "created",
entry->obj,
entry->klass,
entry->klass->desc->name,
entry->timestamp - _eo_log_time_start, now - entry->timestamp);
for (i = 0; i < entry->bt_size; i++)
{
#ifdef HAVE_DLADDR
Dl_info info;
if (dladdr(entry->bt[i], &info))
{
if (info.dli_sname)
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
" %#016" PRIx64 ": %s+%#" PRIx64 " (in %s %#" PRIx64 ")",
(uint64_t)entry->bt[i],
info.dli_sname,
(char *)entry->bt[i] - (char *)info.dli_saddr,
info.dli_fname ? info.dli_fname : "??",
(uint64_t)info.dli_fbase);
continue;
}
else if (info.dli_fname)
{
const char *fname;
#ifdef HAVE_EVIL
fname = strrchr(info.dli_fname, '\\');
#else
fname = strrchr(info.dli_fname, '/');
#endif
if (!fname) fname = info.dli_fname;
else fname++;
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
" %#016" PRIx64 ": %s+%#" PRIx64 " (in %s %#" PRIx64 ")",
(uint64_t)entry->bt[i],
fname,
(char *)entry->bt[i] - (char *)info.dli_fbase,
info.dli_fname,
(uint64_t)info.dli_fbase);
continue;
}
}
#endif
eina_log_print(_eo_log_objs_dom, log_level, func_name, file, line,
" %#016" PRIx64, (uint64_t)entry->bt[i]);
}
}
#endif
inline void
_eo_log_obj_report(const Eo_Id id, int log_level, const char *func_name, const char *file, int line)
{
#ifdef HAVE_BACKTRACE
const Eo_Log_Obj_Entry *added, *deleted;
double now;
if (EINA_LIKELY(!_eo_log_objs_enabled)) return;
_eo_log_obj_find(id, &added, &deleted);
if ((!added) && (!deleted))
{
if ((!_eo_log_objs_debug.len) && (!_eo_log_objs_no_debug.len))
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted.", (void *)id);
}
else if ((_eo_log_objs_debug.len) && (_eo_log_objs_no_debug.len))
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_DEBUG='%s', EO_LIFECYCLE_NO_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_DEBUG"), getenv("EO_LIFECYCLE_NO_DEBUG"));
}
else if (_eo_log_objs_debug.len)
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_DEBUG"));
}
else
{
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was neither created or deleted (EO_LIFECYCLE_NO_DEBUG='%s').",
(void *)id, getenv("EO_LIFECYCLE_NO_DEBUG"));
}
return;
}
now = _eo_log_time_now();
if (added)
_eo_log_obj_entry_show(added, log_level, func_name, file, line, now);
if (deleted)
{
_eo_log_obj_entry_show(deleted, log_level, func_name, file, line, now);
eina_log_print(_eo_log_objs_dom, log_level, file, func_name, line,
"obj_id=%p was already deleted %0.4f seconds ago!",
(void *)id, now - deleted->timestamp);
}
#else
(void)id;
(void)log_level;
(void)func_name;
(void)file;
(void)line;
#endif
}
#ifdef HAVE_BACKTRACE
static Eo_Log_Obj_Entry *
_eo_log_obj_entry_new_and_add(const _Eo_Object *obj, Eina_Bool is_free, uint8_t size, void *const *bt)
{
Eo_Log_Obj_Entry *entry;
Eina_Bool ret;
entry = malloc(sizeof(Eo_Log_Obj_Entry) + size * sizeof(void *));
if (EINA_UNLIKELY(!entry)) return NULL;
entry->id = (Eo_Id)_eo_obj_id_get(obj);
entry->timestamp = _eo_log_time_now();
entry->obj = obj;
entry->klass = obj->klass;
entry->is_free = is_free;
entry->bt_size = size;
memcpy(entry->bt, bt, size * sizeof(void *));
if (EINA_UNLIKELY(!entry)) return NULL;
eina_spinlock_take(&_eo_log_objs_lock);
ret = eina_array_push(&_eo_log_objs, entry);
eina_spinlock_release(&_eo_log_objs_lock);
if (!ret)
{
free(entry);
return NULL;
}
return entry;
}
static inline void
_eo_log_obj_entry_free(Eo_Log_Obj_Entry *entry)
{
free(entry);
}
#endif
static int
_eo_class_name_slice_cmp(const void *pa, const void *pb)
{
const Eina_Slice *a = pa;
const Eina_Slice *b = pb;
if (a->len < b->len) return -1;
if (a->len > b->len) return 1;
return memcmp(a->mem, b->mem, a->len);
}
static Eina_Bool
_eo_log_obj_desired(const _Eo_Object *obj)
{
Eina_Slice cls_name;
if (EINA_LIKELY((_eo_log_objs_debug.len == 0) &&
(_eo_log_objs_no_debug.len == 0)))
return EINA_TRUE;
cls_name.mem = obj->klass->desc->name;
cls_name.len = strlen(cls_name.mem);
if (_eo_log_objs_no_debug.len)
{
if (eina_inarray_search_sorted(&_eo_log_objs_no_debug, &cls_name, _eo_class_name_slice_cmp) >= 0)
return EINA_FALSE;
}
if (!_eo_log_objs_debug.len)
return EINA_TRUE;
if (eina_inarray_search_sorted(&_eo_log_objs_debug, &cls_name, _eo_class_name_slice_cmp) >= 0)
return EINA_TRUE;
return EINA_FALSE;
}
static inline void
_eo_log_obj_new(const _Eo_Object *obj)
{
#ifdef HAVE_BACKTRACE
void *bt[64];
int size;
#endif
if (EINA_LIKELY(!_eo_log_objs_enabled)) return;
if (EINA_LIKELY(!_eo_log_obj_desired(obj))) return;
#ifdef HAVE_BACKTRACE
size = backtrace(bt, sizeof(bt)/sizeof(bt[0]));
if (EINA_UNLIKELY(size < 1)) return;
_eo_log_obj_entry_new_and_add(obj, EINA_FALSE, size, bt);
#endif
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"new obj=%p obj_id=%p class=%p (%s) [%0.4f]",
obj, _eo_obj_id_get(obj), obj->klass, obj->klass->desc->name,
_eo_log_time_now() - _eo_log_time_start);
}
static inline void
_eo_log_obj_free(const _Eo_Object *obj)
{
#ifdef HAVE_BACKTRACE
void *bt[64];
int size;
#endif
if (EINA_LIKELY(!_eo_log_objs_enabled)) return;
if (EINA_LIKELY(!_eo_log_obj_desired(obj))) return;
#ifdef HAVE_BACKTRACE
size = backtrace(bt, sizeof(bt)/sizeof(bt[0]));
if (EINA_UNLIKELY(size < 1)) return;
_eo_log_obj_entry_new_and_add(obj, EINA_TRUE, size, bt);
#endif
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"free obj=%p obj_id=%p class=%p (%s) [%0.4f]",
obj, _eo_obj_id_get(obj), obj->klass, obj->klass->desc->name,
_eo_log_time_now() - _eo_log_time_start);
}
static inline void
_eo_log_obj_init(void)
{
const char *s;
_eo_log_objs_dom = eina_log_domain_register("eo_lifecycle", EINA_COLOR_BLUE);
_eo_log_time_start = _eo_log_time_now();
#ifdef HAVE_BACKTRACE
eina_array_step_set(&_eo_log_objs, sizeof(Eina_Array), 4096);
eina_spinlock_new(&_eo_log_objs_lock);
#endif
eina_inarray_step_set(&_eo_log_objs_debug, sizeof(Eina_Inarray), sizeof(Eina_Slice), 0);
eina_inarray_step_set(&_eo_log_objs_no_debug, sizeof(Eina_Inarray), sizeof(Eina_Slice), 0);
s = getenv("EO_LIFECYCLE_DEBUG");
if ((s) && (s[0] != '\0'))
{
_eo_log_objs_enabled = EINA_TRUE;
if ((strcmp(s, "*") == 0) || (strcmp(s, "1") == 0))
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log all object allocation and free");
}
else
{
Eina_Slice slice;
const Eina_Slice *itr;
do
{
char *p = strchr(s, ',');
slice.mem = s;
if (p)
{
slice.len = p - s;
s = p + 1;
}
else
{
slice.len = strlen(s);
s = NULL;
}
eina_inarray_push(&_eo_log_objs_debug, &slice);
}
while (s);
eina_inarray_sort(&_eo_log_objs_debug, _eo_class_name_slice_cmp);
EINA_INARRAY_FOREACH(&_eo_log_objs_debug, itr)
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will log class '" EINA_SLICE_STR_FMT "'",
EINA_SLICE_STR_PRINT(*itr));
}
}
#ifndef HAVE_BACKTRACE
WRN("EO_LIFECYCLE_DEBUG='%s' but your system has no backtrace()!", s);
#endif
}
if (EINA_LIKELY(!_eo_log_objs_enabled)) return;
DBG("logging object allocation and free, use EINA_LOG_LEVELS=eo_lifecycle:4");
s = getenv("EO_LIFECYCLE_NO_DEBUG");
if ((s) && (s[0] != '\0'))
{
if ((strcmp(s, "*") == 0) || (strcmp(s, "1") == 0))
{
EINA_LOG_DOM_ERR(_eo_log_objs_dom,
"expected class names to not log allocation and free, got '%s'", s);
}
else
{
Eina_Slice slice;
const Eina_Slice *itr;
do
{
char *p = strchr(s, ',');
slice.mem = s;
if (p)
{
slice.len = p - s;
s = p + 1;
}
else
{
slice.len = strlen(s);
s = NULL;
}
eina_inarray_push(&_eo_log_objs_no_debug, &slice);
}
while (s);
eina_inarray_sort(&_eo_log_objs_no_debug, _eo_class_name_slice_cmp);
EINA_INARRAY_FOREACH(&_eo_log_objs_no_debug, itr)
{
EINA_LOG_DOM_DBG(_eo_log_objs_dom,
"will NOT log class '" EINA_SLICE_STR_FMT "'",
EINA_SLICE_STR_PRINT(*itr));
}
}
}
}
static inline void
_eo_log_obj_shutdown(void)
{
#ifdef HAVE_BACKTRACE
Eo_Log_Obj_Entry *entry;
Eina_Array_Iterator it;
unsigned int idx;
eina_spinlock_take(&_eo_log_objs_lock);
EINA_ARRAY_ITER_NEXT(&_eo_log_objs, idx, entry, it)
_eo_log_obj_entry_free(entry);
eina_array_flush(&_eo_log_objs);
eina_spinlock_release(&_eo_log_objs_lock);
eina_spinlock_free(&_eo_log_objs_lock);
#endif
eina_inarray_flush(&_eo_log_objs_debug);
eina_inarray_flush(&_eo_log_objs_no_debug);
}
#endif
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