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49ea143bbd
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.
127 lines
4.7 KiB
C
127 lines
4.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2017 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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| Dmitry Stogov <dmitry@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef ZEND_VARIABLES_H
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#define ZEND_VARIABLES_H
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#include "zend_types.h"
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#include "zend_gc.h"
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BEGIN_EXTERN_C()
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ZEND_API void ZEND_FASTCALL _zval_dtor_func(zend_refcounted *p ZEND_FILE_LINE_DC);
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ZEND_API void ZEND_FASTCALL _zval_copy_ctor_func(zval *zvalue ZEND_FILE_LINE_DC);
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#define zval_dtor_func(zv) _zval_dtor_func(zv ZEND_FILE_LINE_CC)
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#define zval_copy_ctor_func(zv) _zval_copy_ctor_func(zv ZEND_FILE_LINE_CC)
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static zend_always_inline void _zval_ptr_dtor_nogc(zval *zval_ptr ZEND_FILE_LINE_DC)
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{
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if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
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_zval_dtor_func(Z_COUNTED_P(zval_ptr) ZEND_FILE_LINE_RELAY_CC);
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}
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}
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static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr ZEND_FILE_LINE_DC)
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{
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if (Z_REFCOUNTED_P(zval_ptr)) {
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zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
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if (!GC_DELREF(ref)) {
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_zval_dtor_func(ref ZEND_FILE_LINE_RELAY_CC);
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} else {
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gc_check_possible_root(ref);
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}
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}
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}
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static zend_always_inline void _zval_copy_ctor(zval *zvalue ZEND_FILE_LINE_DC)
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{
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if (Z_REFCOUNTED_P(zvalue) || Z_COPYABLE_P(zvalue)) {
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if (Z_COPYABLE_P(zvalue)) {
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_zval_copy_ctor_func(zvalue ZEND_FILE_LINE_RELAY_CC);
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} else {
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Z_ADDREF_P(zvalue);
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}
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}
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}
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static zend_always_inline void _zval_opt_copy_ctor(zval *zvalue ZEND_FILE_LINE_DC)
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{
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if (Z_OPT_REFCOUNTED_P(zvalue) || Z_OPT_COPYABLE_P(zvalue)) {
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if (Z_OPT_COPYABLE_P(zvalue)) {
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_zval_copy_ctor_func(zvalue ZEND_FILE_LINE_RELAY_CC);
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} else {
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Z_ADDREF_P(zvalue);
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}
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}
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}
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ZEND_API size_t zend_print_variable(zval *var);
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ZEND_API void _zval_ptr_dtor(zval *zval_ptr ZEND_FILE_LINE_DC);
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ZEND_API void _zval_internal_dtor_for_ptr(zval *zvalue ZEND_FILE_LINE_DC);
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ZEND_API void _zval_internal_dtor(zval *zvalue ZEND_FILE_LINE_DC);
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ZEND_API void _zval_internal_ptr_dtor(zval *zvalue ZEND_FILE_LINE_DC);
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ZEND_API void _zval_dtor_wrapper(zval *zvalue);
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#define zval_copy_ctor(zvalue) _zval_copy_ctor((zvalue) ZEND_FILE_LINE_CC)
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#define zval_opt_copy_ctor(zvalue) _zval_opt_copy_ctor((zvalue) ZEND_FILE_LINE_CC)
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#define zval_dtor(zvalue) zval_ptr_dtor_nogc(zvalue)
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#define zval_ptr_dtor(zval_ptr) _zval_ptr_dtor((zval_ptr) ZEND_FILE_LINE_CC)
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#define zval_ptr_dtor_nogc(zval_ptr) _zval_ptr_dtor_nogc((zval_ptr) ZEND_FILE_LINE_CC)
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#define zval_internal_dtor(zvalue) _zval_internal_dtor((zvalue) ZEND_FILE_LINE_CC)
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#define zval_internal_ptr_dtor(zvalue) _zval_internal_ptr_dtor((zvalue) ZEND_FILE_LINE_CC)
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#define zval_dtor_wrapper _zval_dtor_wrapper
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#if ZEND_DEBUG
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ZEND_API void _zval_ptr_dtor_wrapper(zval *zval_ptr);
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ZEND_API void _zval_internal_dtor_wrapper(zval *zvalue);
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ZEND_API void _zval_internal_ptr_dtor_wrapper(zval *zvalue);
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#define zval_ptr_dtor_wrapper _zval_ptr_dtor_wrapper
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#define zval_internal_dtor_wrapper _zval_internal_dtor_wrapper
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#define zval_internal_ptr_dtor_wrapper _zval_internal_ptr_dtor_wrapper
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#else
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#define zval_ptr_dtor_wrapper _zval_ptr_dtor
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#define zval_internal_dtor_wrapper _zval_internal_dtor
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#define zval_internal_ptr_dtor_wrapper _zval_internal_ptr_dtor
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#endif
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ZEND_API void zval_add_ref(zval *p);
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ZEND_API void zval_add_ref_unref(zval *p);
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END_EXTERN_C()
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#define ZVAL_DESTRUCTOR zval_dtor_wrapper
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#define ZVAL_PTR_DTOR zval_ptr_dtor_wrapper
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#define ZVAL_INTERNAL_DTOR zval_internal_dtor_wrapper
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#define ZVAL_INTERNAL_PTR_DTOR zval_internal_ptr_dtor_wrapper
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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