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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_exceptions.c
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@ -100,7 +100,7 @@ void zend_exception_set_previous(zend_object *exception, zend_object *add_previo
previous = zend_read_property_ex(base_ce, ex, ZSTR_KNOWN(ZEND_STR_PREVIOUS), 1, &rv);
if (Z_TYPE_P(previous) == IS_NULL) {
zend_update_property_ex(base_ce, ex, ZSTR_KNOWN(ZEND_STR_PREVIOUS), &pv);
GC_REFCOUNT(add_previous)--;
GC_DELREF(add_previous);
return;
}
ex = previous;