quinn-os/my-basic
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*polished gc code.

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This commit is contained in:
paladin-t 2016-01-27 19:50:17 +08:00
parent 4a28c1e0d4
commit 20bed0698b
1 changed files with 14 additions and 8 deletions
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22
core/my_basic.c
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@ -332,7 +332,7 @@ struct _ref_t;
typedef void (* _unref_func_t)(struct _ref_t*, void*);
typedef unsigned int _ref_count_t;
typedef unsigned _ref_count_t;
typedef struct _ref_t {
_ref_count_t* count;
@ -1385,8 +1385,8 @@ static bool_t _lock_ref_object(_lock_t* lk, _ref_t* ref, void* obj);
static bool_t _unlock_ref_object(_lock_t* lk, _ref_t* ref, void* obj);
static bool_t _write_on_ref_object(_lock_t* lk, _ref_t* ref, void* obj);
static unsigned _ref(_ref_t* ref, void* data);
static unsigned _unref(_ref_t* ref, void* data);
static _ref_count_t _ref(_ref_t* ref, void* data);
static bool_t _unref(_ref_t* ref, void* data);
static void _create_ref(_ref_t* ref, _unref_func_t dtor, _data_e t, mb_interpreter_t* s);
static void _destroy_ref(_ref_t* ref);
@ -4997,18 +4997,24 @@ bool_t _write_on_ref_object(_lock_t* lk, _ref_t* ref, void* obj) {
return result;
}
unsigned _ref(_ref_t* ref, void* data) {
_ref_count_t _ref(_ref_t* ref, void* data) {
/* Increase the reference of a stub by 1 */
_ref_count_t before = *ref->count;
mb_unrefvar(data);
return ++(*ref->count);
++(*ref->count);
mb_assert(*ref->count > before && "Too many referencing, count overflow, please redefine _ref_count_t.");
return *ref->count;
}
unsigned _unref(_ref_t* ref, void* data) {
bool_t _unref(_ref_t* ref, void* data) {
/* Decrease the reference of a stub by 1 */
unsigned result = 0;
bool_t result = false;
result = --(*ref->count) == _NONE_REF;
mb_assert(*ref->count >= _NONE_REF);
_gc_add(ref, data, 0);
if(ref->count && *ref->count == _NONE_REF)
_tidy_intermediate_value(ref, data);
@ -5024,7 +5030,7 @@ void _create_ref(_ref_t* ref, _unref_func_t dtor, _data_e t, mb_interpreter_t* s
if(ref->count)
return;
ref->count = (unsigned*)mb_malloc(sizeof(unsigned));
ref->count = (_ref_count_t*)mb_malloc(sizeof(_ref_count_t));
*ref->count = _NONE_REF;
ref->on_unref = dtor;
ref->type = t;