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Filename : zend_list.h
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/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        | 
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_LIST_H
#define ZEND_LIST_H

#include "zend_hash.h"
#include "zend_globals.h"

BEGIN_EXTERN_C()

#define ZEND_RESOURCE_LIST_TYPE_STD	1
#define ZEND_RESOURCE_LIST_TYPE_EX	2

typedef struct _zend_rsrc_list_entry {
	void *ptr;
	int type;
	int refcount;
} zend_rsrc_list_entry;

typedef void (*rsrc_dtor_func_t)(zend_rsrc_list_entry *rsrc TSRMLS_DC);
#define ZEND_RSRC_DTOR_FUNC(name)		void name(zend_rsrc_list_entry *rsrc TSRMLS_DC)

typedef struct _zend_rsrc_list_dtors_entry {
	/* old style destructors */
	void (*list_dtor)(void *);
	void (*plist_dtor)(void *);

	/* new style destructors */
	rsrc_dtor_func_t list_dtor_ex;
	rsrc_dtor_func_t plist_dtor_ex;

	const char *type_name;

	int module_number;
	int resource_id;
	unsigned char type;
} zend_rsrc_list_dtors_entry;


#define register_list_destructors(ld, pld) zend_register_list_destructors((void (*)(void *))ld, (void (*)(void *))pld, module_number);
ZEND_API int zend_register_list_destructors(void (*ld)(void *), void (*pld)(void *), int module_number);
ZEND_API int zend_register_list_destructors_ex(rsrc_dtor_func_t ld, rsrc_dtor_func_t pld, const char *type_name, int module_number);

void list_entry_destructor(void *ptr);
void plist_entry_destructor(void *ptr);

void zend_clean_module_rsrc_dtors(int module_number TSRMLS_DC);
int zend_init_rsrc_list(TSRMLS_D);
int zend_init_rsrc_plist(TSRMLS_D);
void zend_destroy_rsrc_list(HashTable *ht TSRMLS_DC);
int zend_init_rsrc_list_dtors(void);
void zend_destroy_rsrc_list_dtors(void);

ZEND_API int zend_list_insert(void *ptr, int type TSRMLS_DC);
ZEND_API int _zend_list_addref(int id TSRMLS_DC);
ZEND_API int _zend_list_delete(int id TSRMLS_DC);
ZEND_API void *_zend_list_find(int id, int *type TSRMLS_DC);

#define zend_list_addref(id)		_zend_list_addref(id TSRMLS_CC)
#define zend_list_delete(id)		_zend_list_delete(id TSRMLS_CC)
#define zend_list_find(id, type)	_zend_list_find(id, type TSRMLS_CC)

ZEND_API int zend_register_resource(zval *rsrc_result, void *rsrc_pointer, int rsrc_type TSRMLS_DC);
ZEND_API void *zend_fetch_resource(zval **passed_id TSRMLS_DC, int default_id, const char *resource_type_name, int *found_resource_type, int num_resource_types, ...);

ZEND_API const char *zend_rsrc_list_get_rsrc_type(int resource TSRMLS_DC);
ZEND_API int zend_fetch_list_dtor_id(char *type_name);

extern ZEND_API int le_index_ptr;  /* list entry type for index pointers */

#define ZEND_VERIFY_RESOURCE(rsrc)		\
	if (!rsrc) {						\
		RETURN_FALSE;					\
	}

#define ZEND_FETCH_RESOURCE(rsrc, rsrc_type, passed_id, default_id, resource_type_name, resource_type)	\
	rsrc = (rsrc_type) zend_fetch_resource(passed_id TSRMLS_CC, default_id, resource_type_name, NULL, 1, resource_type);	\
	ZEND_VERIFY_RESOURCE(rsrc);
	
#define ZEND_FETCH_RESOURCE_NO_RETURN(rsrc, rsrc_type, passed_id, default_id, resource_type_name, resource_type)	\
	(rsrc = (rsrc_type) zend_fetch_resource(passed_id TSRMLS_CC, default_id, resource_type_name, NULL, 1, resource_type))

#define ZEND_FETCH_RESOURCE2(rsrc, rsrc_type, passed_id, default_id, resource_type_name, resource_type1, resource_type2)	\
	rsrc = (rsrc_type) zend_fetch_resource(passed_id TSRMLS_CC, default_id, resource_type_name, NULL, 2, resource_type1, resource_type2);	\
	ZEND_VERIFY_RESOURCE(rsrc);
	
#define ZEND_FETCH_RESOURCE2_NO_RETURN(rsrc, rsrc_type, passed_id, default_id, resource_type_name, resource_type1, resource_type2)	\
	(rsrc = (rsrc_type) zend_fetch_resource(passed_id TSRMLS_CC, default_id, resource_type_name, NULL, 2, resource_type1, resource_type2))

#define ZEND_REGISTER_RESOURCE(rsrc_result, rsrc_pointer, rsrc_type)  \
    zend_register_resource(rsrc_result, rsrc_pointer, rsrc_type TSRMLS_CC);

#define ZEND_GET_RESOURCE_TYPE_ID(le_id, le_type_name) \
    if (le_id == 0) {                                  \
        le_id = zend_fetch_list_dtor_id(le_type_name); \
	}
END_EXTERN_C()

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 */