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Encapsulate reference-counting primitives.

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Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead.
Added mactros to validate reference-counting (disabled for now).
These macros are going to be used to eliminate race-condintions during reference-counting on data shared between threads.
This commit is contained in:
Dmitry Stogov 2017-10-27 01:28:58 +03:00
parent 1ab0d820da
commit 49ea143bbd
66 changed files with 408 additions and 345 deletions
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2
Zend/zend_variables.h
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@ -45,7 +45,7 @@ static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr ZEND_FILE_LINE_DC)
{
if (Z_REFCOUNTED_P(zval_ptr)) {
zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
if (!--GC_REFCOUNT(ref)) {
if (!GC_DELREF(ref)) {
_zval_dtor_func(ref ZEND_FILE_LINE_RELAY_CC);
} else {
gc_check_possible_root(ref);