/src/php-src/Zend/zend_list.c

Source
/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 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@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   +----------------------------------------------------------------------+
*/

/* resource lists */

#include "zend.h"
#include "zend_list.h"
#include "zend_API.h"
#include "zend_globals.h"

ZEND_API int le_index_ptr;

/* true global */
static HashTable list_destructors;

ZEND_API zval* ZEND_FASTCALL zend_list_insert(void *ptr, int type)
{
  zval zv;

  zend_long index = zend_hash_next_free_element(&EG(regular_list));
  if (index == 0) {
    index = 1;
  } else if (index == ZEND_LONG_MAX) {
    zend_error_noreturn(E_ERROR, "Resource ID space overflow");
  }
  ZVAL_NEW_RES(&zv, index, ptr, type);
  return zend_hash_index_add_new(&EG(regular_list), index, &zv);
}

ZEND_API zend_result ZEND_FASTCALL zend_list_delete(zend_resource *res)
{
  if (GC_DELREF(res) <= 0) {
    return zend_hash_index_del(&EG(regular_list), res->handle);
  } else {
    return SUCCESS;
  }
}

ZEND_API void ZEND_FASTCALL zend_list_free(zend_resource *res)
{
  ZEND_ASSERT(GC_REFCOUNT(res) == 0);
  zend_hash_index_del(&EG(regular_list), res->handle);
}

static void zend_resource_dtor(zend_resource *res)
{
  zend_rsrc_list_dtors_entry *ld;
  zend_resource r = *res;

  res->type = -1;
  res->ptr = NULL;

  ld = zend_hash_index_find_ptr(&list_destructors, r.type);
  ZEND_ASSERT(ld && "Unknown list entry type");

  if (ld->list_dtor_ex) {
    ld->list_dtor_ex(&r);
  }
}


ZEND_API void ZEND_FASTCALL zend_list_close(zend_resource *res)
{
  if (GC_REFCOUNT(res) <= 0) {
    zend_list_free(res);
  } else if (res->type >= 0) {
    zend_resource_dtor(res);
  }
}

ZEND_API zend_resource* zend_register_resource(void *rsrc_pointer, int rsrc_type)
{
  zval *zv;

  zv = zend_list_insert(rsrc_pointer, rsrc_type);

  return Z_RES_P(zv);
}

ZEND_API void *zend_fetch_resource2(zend_resource *res, const char *resource_type_name, int resource_type1, int resource_type2)
{
  if (res) {
    if (resource_type1 == res->type) {
      return res->ptr;
    }

    if (resource_type2 == res->type) {
      return res->ptr;
    }
  }

  if (resource_type_name) {
    const char *space;
    const char *class_name = get_active_class_name(&space);
    zend_type_error("%s%s%s(): supplied resource is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
  }

  return NULL;
}

ZEND_API void *zend_fetch_resource(zend_resource *res, const char *resource_type_name, int resource_type)
{
  if (resource_type == res->type) {
    return res->ptr;
  }

  if (resource_type_name) {
    const char *space;
    const char *class_name = get_active_class_name(&space);
    zend_type_error("%s%s%s(): supplied resource is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
  }

  return NULL;
}

ZEND_API void *zend_fetch_resource_ex(zval *res, const char *resource_type_name, int resource_type)
{
  const char *space, *class_name;
  if (res == NULL) {
    if (resource_type_name) {
      class_name = get_active_class_name(&space);
      zend_type_error("%s%s%s(): no %s resource supplied", class_name, space, get_active_function_name(), resource_type_name);
    }
    return NULL;
  }
  if (Z_TYPE_P(res) != IS_RESOURCE) {
    if (resource_type_name) {
      class_name = get_active_class_name(&space);
      zend_type_error("%s%s%s(): supplied argument is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
    }
    return NULL;
  }

  return zend_fetch_resource(Z_RES_P(res), resource_type_name, resource_type);
}

ZEND_API void *zend_fetch_resource2_ex(zval *res, const char *resource_type_name, int resource_type1, int resource_type2)
{
  const char *space, *class_name;
  if (res == NULL) {
    if (resource_type_name) {
      class_name = get_active_class_name(&space);
      zend_type_error("%s%s%s(): no %s resource supplied", class_name, space, get_active_function_name(), resource_type_name);
    }
    return NULL;
  }
  if (Z_TYPE_P(res) != IS_RESOURCE) {
    if (resource_type_name) {
      class_name = get_active_class_name(&space);
      zend_type_error("%s%s%s(): supplied argument is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
    }
    return NULL;
  }

  return zend_fetch_resource2(Z_RES_P(res), resource_type_name, resource_type1, resource_type2);
}

void list_entry_destructor(zval *zv)
{
  zend_resource *res = Z_RES_P(zv);

  ZVAL_UNDEF(zv);
  if (res->type >= 0) {
    zend_resource_dtor(res);
  }
  efree_size(res, sizeof(zend_resource));
}

void plist_entry_destructor(zval *zv)
{
  zend_resource *res = Z_RES_P(zv);

  if (res->type >= 0) {
    zend_rsrc_list_dtors_entry *ld;

    ld = zend_hash_index_find_ptr(&list_destructors, res->type);
    ZEND_ASSERT(ld && "Unknown list entry type");

    if (ld->plist_dtor_ex) {
      ld->plist_dtor_ex(res);
    }
  }
  free(res);
}

ZEND_API void zend_init_rsrc_list(void)
{
  zend_hash_init(&EG(regular_list), 8, NULL, list_entry_destructor, 0);
  EG(regular_list).nNextFreeElement = 0;
}


void zend_init_rsrc_plist(void)
{
  zend_hash_init(&EG(persistent_list), 8, NULL, plist_entry_destructor, 1);
}


void zend_close_rsrc_list(HashTable *ht)
{
  uint32_t i = ht->nNumUsed;
  uint32_t num = ht->nNumUsed;

retry:
  zend_try {
    while (i-- > 0) {
      /* Reload ht->arData on each iteration, as it may be reallocated. */
      zval *p = ZEND_HASH_ELEMENT(ht, i);
      if (Z_TYPE_P(p) != IS_UNDEF) {
        zend_resource *res = Z_PTR_P(p);
        if (res->type >= 0) {
          zend_resource_dtor(res);

          if (UNEXPECTED(ht->nNumUsed != num)) {
            /* New resources were added, reloop from the start.
             * We need to keep the top->down order to avoid freeing resources
             * in use by the newly created resources. */
            i = num = ht->nNumUsed;
          }
        }
      }
    }
  } zend_catch {
    if (UNEXPECTED(ht->nNumUsed != num)) {
      /* See above */
      i = num = ht->nNumUsed;
    }

    /* If we have bailed, we probably executed user code (e.g. user stream
     * API). Keep closing resources so they don't leak. User handlers must be
     * called now so they aren't called in zend_deactivate() on
     * zend_destroy_rsrc_list(&EG(regular_list)). At that point, the executor
     * has already shut down and the process would crash. */
    goto retry;
  } zend_end_try();
}


void zend_destroy_rsrc_list(HashTable *ht)
{
  zend_hash_graceful_reverse_destroy(ht);
}

/* int return due to HashTable API */
static int clean_module_resource(zval *zv, void *arg)
{
  int resource_id = *(int *)arg;

  return Z_RES_TYPE_P(zv) == resource_id;
}

/* int return due to HashTable API */
static int zend_clean_module_rsrc_dtors_cb(zval *zv, void *arg)
{
  zend_rsrc_list_dtors_entry *ld = (zend_rsrc_list_dtors_entry *)Z_PTR_P(zv);
  int module_number = *(int *)arg;
  if (ld->module_number == module_number) {
    zend_hash_apply_with_argument(&EG(persistent_list), clean_module_resource, (void *) &(ld->resource_id));
    return 1;
  } else {
    return 0;
  }
}


void zend_clean_module_rsrc_dtors(int module_number)
{
  zend_hash_apply_with_argument(&list_destructors, zend_clean_module_rsrc_dtors_cb, (void *) &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)
{
  zend_rsrc_list_dtors_entry *lde;
  zval zv;

  lde = malloc(sizeof(zend_rsrc_list_dtors_entry));
  lde->list_dtor_ex = ld;
  lde->plist_dtor_ex = pld;
  lde->module_number = module_number;
  lde->resource_id = list_destructors.nNextFreeElement;
  lde->type_name = type_name;
  ZVAL_PTR(&zv, lde);

  if (zend_hash_next_index_insert(&list_destructors, &zv) == NULL) {
    free(lde);
    return FAILURE;
  }
  return list_destructors.nNextFreeElement-1;
}

ZEND_API int zend_fetch_list_dtor_id(const char *type_name)
{
  zend_rsrc_list_dtors_entry *lde;

  ZEND_HASH_PACKED_FOREACH_PTR(&list_destructors, lde) {
    if (lde->type_name && (strcmp(type_name, lde->type_name) == 0)) {
      return lde->resource_id;
    }
  } ZEND_HASH_FOREACH_END();

  return 0;
}

static void list_destructors_dtor(zval *zv)
{
  free(Z_PTR_P(zv));
}

void zend_init_rsrc_list_dtors(void)
{
  zend_hash_init(&list_destructors, 64, NULL, list_destructors_dtor, 1);
  list_destructors.nNextFreeElement=1;  /* we don't want resource type 0 */
}


void zend_destroy_rsrc_list_dtors(void)
{
  zend_hash_destroy(&list_destructors);
}


const char *zend_rsrc_list_get_rsrc_type(zend_resource *res)
{
  zend_rsrc_list_dtors_entry *lde;

  lde = zend_hash_index_find_ptr(&list_destructors, res->type);
  if (lde) {
    return lde->type_name;
  } else {
    return NULL;
  }
}

ZEND_API zend_resource* zend_register_persistent_resource_ex(zend_string *key, void *rsrc_pointer, int rsrc_type)
{
  zval *zv;
  zval tmp;

  ZVAL_NEW_PERSISTENT_RES(&tmp, -1, rsrc_pointer, rsrc_type);
  GC_MAKE_PERSISTENT_LOCAL(Z_COUNTED(tmp));
  GC_MAKE_PERSISTENT_LOCAL(key);

  zv = zend_hash_update(&EG(persistent_list), key, &tmp);

  return Z_RES_P(zv);
}

ZEND_API zend_resource* zend_register_persistent_resource(const char *key, size_t key_len, void *rsrc_pointer, int rsrc_type)
{
  zend_string *str = zend_string_init(key, key_len, 1);
  zend_resource *ret  = zend_register_persistent_resource_ex(str, rsrc_pointer, rsrc_type);

  zend_string_release_ex(str, 1);
  return ret;
}

Coverage Report

Created: 2025-12-31 07:28

Line	Count	Source
1		/*
2		+----------------------------------------------------------------------+
3		\| Zend Engine \|
4		+----------------------------------------------------------------------+
5		\| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) \|
6		+----------------------------------------------------------------------+
7		\| This source file is subject to version 2.00 of the Zend license, \|
8		\| that is bundled with this package in the file LICENSE, and is \|
9		\| available through the world-wide-web at the following url: \|
10		\| http://www.zend.com/license/2_00.txt. \|
11		\| If you did not receive a copy of the Zend license and are unable to \|
12		\| obtain it through the world-wide-web, please send a note to \|
13		\| license@zend.com so we can mail you a copy immediately. \|
14		+----------------------------------------------------------------------+
15		\| Authors: Andi Gutmans <andi@php.net> \|
16		\| Zeev Suraski <zeev@php.net> \|
17		+----------------------------------------------------------------------+
18		*/
19
20		/* resource lists */
21
22		#include "zend.h"
23		#include "zend_list.h"
24		#include "zend_API.h"
25		#include "zend_globals.h"
26
27		ZEND_API int le_index_ptr;
28
29		/* true global */
30		static HashTable list_destructors;
31
32		ZEND_API zval* ZEND_FASTCALL zend_list_insert(void *ptr, int type)
33	2.54k	{
34	2.54k	zval zv;
35
36	2.54k	zend_long index = zend_hash_next_free_element(&EG(regular_list));
37	2.54k	if (index == 0) {
38	1.87k	index = 1;
39	1.87k	} else if (index == ZEND_LONG_MAX) {
40	0	zend_error_noreturn(E_ERROR, "Resource ID space overflow");
41	0	}
42	2.54k	ZVAL_NEW_RES(&zv, index, ptr, type);
43	2.54k	return zend_hash_index_add_new(&EG(regular_list), index, &zv);
44	2.54k	}
45
46		ZEND_API zend_result ZEND_FASTCALL zend_list_delete(zend_resource *res)
47	24	{
48	24	if (GC_DELREF(res) <= 0) {
49	19	return zend_hash_index_del(&EG(regular_list), res->handle);
50	19	} else {
51	5	return SUCCESS;
52	5	}
53	24	}
54
55		ZEND_API void ZEND_FASTCALL zend_list_free(zend_resource *res)
56	1.84k	{
57	1.84k	ZEND_ASSERT(GC_REFCOUNT(res) == 0);
58	1.84k	zend_hash_index_del(&EG(regular_list), res->handle);
59	1.84k	}
60
61		static void zend_resource_dtor(zend_resource *res)
62	2.54k	{
63	2.54k	zend_rsrc_list_dtors_entry *ld;
64	2.54k	zend_resource r = *res;
65
66	2.54k	res->type = -1;
67	2.54k	res->ptr = NULL;
68
69	2.54k	ld = zend_hash_index_find_ptr(&list_destructors, r.type);
70	2.54k	ZEND_ASSERT(ld && "Unknown list entry type");
71
72	2.54k	if (ld->list_dtor_ex) {
73	2.54k	ld->list_dtor_ex(&r);
74	2.54k	}
75	2.54k	}
76
77
78		ZEND_API void ZEND_FASTCALL zend_list_close(zend_resource *res)
79	18	{
80	18	if (GC_REFCOUNT(res) <= 0) {
81	0	zend_list_free(res);
82	18	} else if (res->type >= 0) {
83	18	zend_resource_dtor(res);
84	18	}
85	18	}
86
87		ZEND_API zend_resource* zend_register_resource(void *rsrc_pointer, int rsrc_type)
88	2.54k	{
89	2.54k	zval *zv;
90
91	2.54k	zv = zend_list_insert(rsrc_pointer, rsrc_type);
92
93	2.54k	return Z_RES_P(zv);
94	2.54k	}
95
96		ZEND_API void zend_fetch_resource2(zend_resource res, const char *resource_type_name, int resource_type1, int resource_type2)
97	1.84k	{
98	1.84k	if (res) {
99	1.84k	if (resource_type1 == res->type) {
100	1.84k	return res->ptr;
101	1.84k	}
102
103	0	if (resource_type2 == res->type) {
104	0	return res->ptr;
105	0	}
106	0	}
107
108	0	if (resource_type_name) {
109	0	const char *space;
110	0	const char *class_name = get_active_class_name(&space);
111	0	zend_type_error("%s%s%s(): supplied resource is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
112	0	}
113
114	0	return NULL;
115	1.84k	}
116
117		ZEND_API void zend_fetch_resource(zend_resource res, const char *resource_type_name, int resource_type)
118	0	{
119	0	if (resource_type == res->type) {
120	0	return res->ptr;
121	0	}
122
123	0	if (resource_type_name) {
124	0	const char *space;
125	0	const char *class_name = get_active_class_name(&space);
126	0	zend_type_error("%s%s%s(): supplied resource is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
127	0	}
128
129	0	return NULL;
130	0	}
131
132		ZEND_API void zend_fetch_resource_ex(zval res, const char *resource_type_name, int resource_type)
133	0	{
134	0	const char space, class_name;
135	0	if (res == NULL) {
136	0	if (resource_type_name) {
137	0	class_name = get_active_class_name(&space);
138	0	zend_type_error("%s%s%s(): no %s resource supplied", class_name, space, get_active_function_name(), resource_type_name);
139	0	}
140	0	return NULL;
141	0	}
142	0	if (Z_TYPE_P(res) != IS_RESOURCE) {
143	0	if (resource_type_name) {
144	0	class_name = get_active_class_name(&space);
145	0	zend_type_error("%s%s%s(): supplied argument is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
146	0	}
147	0	return NULL;
148	0	}
149
150	0	return zend_fetch_resource(Z_RES_P(res), resource_type_name, resource_type);
151	0	}
152
153		ZEND_API void zend_fetch_resource2_ex(zval res, const char *resource_type_name, int resource_type1, int resource_type2)
154	0	{
155	0	const char space, class_name;
156	0	if (res == NULL) {
157	0	if (resource_type_name) {
158	0	class_name = get_active_class_name(&space);
159	0	zend_type_error("%s%s%s(): no %s resource supplied", class_name, space, get_active_function_name(), resource_type_name);
160	0	}
161	0	return NULL;
162	0	}
163	0	if (Z_TYPE_P(res) != IS_RESOURCE) {
164	0	if (resource_type_name) {
165	0	class_name = get_active_class_name(&space);
166	0	zend_type_error("%s%s%s(): supplied argument is not a valid %s resource", class_name, space, get_active_function_name(), resource_type_name);
167	0	}
168	0	return NULL;
169	0	}
170
171	0	return zend_fetch_resource2(Z_RES_P(res), resource_type_name, resource_type1, resource_type2);
172	0	}
173
174		void list_entry_destructor(zval *zv)
175	2.54k	{
176	2.54k	zend_resource *res = Z_RES_P(zv);
177
178	2.54k	ZVAL_UNDEF(zv);
179	2.54k	if (res->type >= 0) {
180	1.84k	zend_resource_dtor(res);
181	1.84k	}
182	2.54k	efree_size(res, sizeof(zend_resource));
183	2.54k	}
184
185		void plist_entry_destructor(zval *zv)
186	0	{
187	0	zend_resource *res = Z_RES_P(zv);
188
189	0	if (res->type >= 0) {
190	0	zend_rsrc_list_dtors_entry *ld;
191
192	0	ld = zend_hash_index_find_ptr(&list_destructors, res->type);
193	0	ZEND_ASSERT(ld && "Unknown list entry type");
194
195	0	if (ld->plist_dtor_ex) {
196	0	ld->plist_dtor_ex(res);
197	0	}
198	0	}
199	0	free(res);
200	0	}
201
202		ZEND_API void zend_init_rsrc_list(void)
203	222k	{
204	222k	zend_hash_init(&EG(regular_list), 8, NULL, list_entry_destructor, 0);
205	222k	EG(regular_list).nNextFreeElement = 0;
206	222k	}
207
208
209		void zend_init_rsrc_plist(void)
210	14	{
211	14	zend_hash_init(&EG(persistent_list), 8, NULL, plist_entry_destructor, 1);
212	14	}
213
214
215		void zend_close_rsrc_list(HashTable *ht)
216	222k	{
217	222k	uint32_t i = ht->nNumUsed;
218	222k	uint32_t num = ht->nNumUsed;
219
220	223k	retry:
221	223k	zend_try {
222	333k	while (i-- > 0) {
223		/* Reload ht->arData on each iteration, as it may be reallocated. */
224	110k	zval *p = ZEND_HASH_ELEMENT(ht, i);
225	110k	if (Z_TYPE_P(p) != IS_UNDEF) {
226	110k	zend_resource *res = Z_PTR_P(p);
227	110k	if (res->type >= 0) {
228	686	zend_resource_dtor(res);
229
230	686	if (UNEXPECTED(ht->nNumUsed != num)) {
231		/* New resources were added, reloop from the start.
232		* We need to keep the top->down order to avoid freeing resources
233		* in use by the newly created resources. */
234	0	i = num = ht->nNumUsed;
235	0	}
236	686	}
237	110k	}
238	110k	}
239	223k	} zend_catch {
240	0	if (UNEXPECTED(ht->nNumUsed != num)) {
241		/* See above */
242	0	i = num = ht->nNumUsed;
243	0	}
244
245		/* If we have bailed, we probably executed user code (e.g. user stream
246		* API). Keep closing resources so they don't leak. User handlers must be
247		* called now so they aren't called in zend_deactivate() on
248		* zend_destroy_rsrc_list(&EG(regular_list)). At that point, the executor
249		* has already shut down and the process would crash. */
250	0	goto retry;
251	223k	} zend_end_try();
252	223k	}
253
254
255		void zend_destroy_rsrc_list(HashTable *ht)
256	222k	{
257	222k	zend_hash_graceful_reverse_destroy(ht);
258	222k	}
259
260		/* int return due to HashTable API */
261		static int clean_module_resource(zval zv, void arg)
262	0	{
263	0	int resource_id = (int )arg;
264
265	0	return Z_RES_TYPE_P(zv) == resource_id;
266	0	}
267
268		/* int return due to HashTable API */
269		static int zend_clean_module_rsrc_dtors_cb(zval zv, void arg)
270	0	{
271	0	zend_rsrc_list_dtors_entry ld = (zend_rsrc_list_dtors_entry )Z_PTR_P(zv);
272	0	int module_number = (int )arg;
273	0	if (ld->module_number == module_number) {
274	0	zend_hash_apply_with_argument(&EG(persistent_list), clean_module_resource, (void *) &(ld->resource_id));
275	0	return 1;
276	0	} else {
277	0	return 0;
278	0	}
279	0	}
280
281
282		void zend_clean_module_rsrc_dtors(int module_number)
283	0	{
284	0	zend_hash_apply_with_argument(&list_destructors, zend_clean_module_rsrc_dtors_cb, (void *) &module_number);
285	0	}
286
287
288		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)
289	126	{
290	126	zend_rsrc_list_dtors_entry *lde;
291	126	zval zv;
292
293	126	lde = malloc(sizeof(zend_rsrc_list_dtors_entry));
294	126	lde->list_dtor_ex = ld;
295	126	lde->plist_dtor_ex = pld;
296	126	lde->module_number = module_number;
297	126	lde->resource_id = list_destructors.nNextFreeElement;
298	126	lde->type_name = type_name;
299	126	ZVAL_PTR(&zv, lde);
300
301	126	if (zend_hash_next_index_insert(&list_destructors, &zv) == NULL) {
302	0	free(lde);
303	0	return FAILURE;
304	0	}
305	126	return list_destructors.nNextFreeElement-1;
306	126	}
307
308		ZEND_API int zend_fetch_list_dtor_id(const char *type_name)
309	0	{
310	0	zend_rsrc_list_dtors_entry *lde;
311
312	0	ZEND_HASH_PACKED_FOREACH_PTR(&list_destructors, lde) {
313	0	if (lde->type_name && (strcmp(type_name, lde->type_name) == 0)) {
314	0	return lde->resource_id;
315	0	}
316	0	} ZEND_HASH_FOREACH_END();
317
318	0	return 0;
319	0	}
320
321		static void list_destructors_dtor(zval *zv)
322	0	{
323	0	free(Z_PTR_P(zv));
324	0	}
325
326		void zend_init_rsrc_list_dtors(void)
327	14	{
328	14	zend_hash_init(&list_destructors, 64, NULL, list_destructors_dtor, 1);
329	14	list_destructors.nNextFreeElement=1; /* we don't want resource type 0 */
330	14	}
331
332
333		void zend_destroy_rsrc_list_dtors(void)
334	0	{
335	0	zend_hash_destroy(&list_destructors);
336	0	}
337
338
339		const char zend_rsrc_list_get_rsrc_type(zend_resource res)
340	0	{
341	0	zend_rsrc_list_dtors_entry *lde;
342
343	0	lde = zend_hash_index_find_ptr(&list_destructors, res->type);
344	0	if (lde) {
345	0	return lde->type_name;
346	0	} else {
347	0	return NULL;
348	0	}
349	0	}
350
351		ZEND_API zend_resource* zend_register_persistent_resource_ex(zend_string key, void rsrc_pointer, int rsrc_type)
352	0	{
353	0	zval *zv;
354	0	zval tmp;
355
356	0	ZVAL_NEW_PERSISTENT_RES(&tmp, -1, rsrc_pointer, rsrc_type);
357	0	GC_MAKE_PERSISTENT_LOCAL(Z_COUNTED(tmp));
358	0	GC_MAKE_PERSISTENT_LOCAL(key);
359
360	0	zv = zend_hash_update(&EG(persistent_list), key, &tmp);
361
362	0	return Z_RES_P(zv);
363	0	}
364
365		ZEND_API zend_resource* zend_register_persistent_resource(const char key, size_t key_len, void rsrc_pointer, int rsrc_type)
366	0	{
367	0	zend_string *str = zend_string_init(key, key_len, 1);
368	0	zend_resource *ret = zend_register_persistent_resource_ex(str, rsrc_pointer, rsrc_type);
369
370	0	zend_string_release_ex(str, 1);
371	0	return ret;
372	0	}