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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_API.h
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@ -1250,7 +1250,7 @@ static zend_always_inline int zend_parse_arg_array_ht(zval *arg, HashTable **des
&& Z_OBJ_P(arg)->properties
&& UNEXPECTED(GC_REFCOUNT(Z_OBJ_P(arg)->properties) > 1)) {
if (EXPECTED(!(GC_FLAGS(Z_OBJ_P(arg)->properties) & IS_ARRAY_IMMUTABLE))) {
GC_REFCOUNT(Z_OBJ_P(arg)->properties)--;
GC_DELREF(Z_OBJ_P(arg)->properties);
}
Z_OBJ_P(arg)->properties = zend_array_dup(Z_OBJ_P(arg)->properties);
}