mirror of
https://github.com/php/php-src.git
synced 2024-09-21 18:07:23 +00:00
Step 1 in nuking the garbage collector:
- Change the hash destructor to return int - Don't kill the bucket on hash_destroy if the destructor returns 0
This commit is contained in:
parent
db1e0bc820
commit
81d901b14d
12
Zend/zend.c
12
Zend/zend.c
@ -203,7 +203,7 @@ static void register_standard_class()
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zend_standard_class_def.name = zend_strndup("stdClass", zend_standard_class_def.name_length);
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zend_standard_class_def.parent = NULL;
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zend_hash_init(&zend_standard_class_def.default_properties, 0, NULL, PVAL_PTR_DTOR, 1);
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zend_hash_init(&zend_standard_class_def.function_table, 0, NULL, (void (*)(void *)) destroy_zend_function, 1);
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zend_hash_init(&zend_standard_class_def.function_table, 0, NULL, ZEND_FUNCTION_DTOR, 1);
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zend_standard_class_def.handle_function_call = NULL;
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zend_standard_class_def.handle_property_get = NULL;
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zend_standard_class_def.handle_property_set = NULL;
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@ -220,11 +220,11 @@ static void compiler_globals_ctor(zend_compiler_globals *compiler_globals)
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zend_class_entry tmp_class;
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compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
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zend_hash_init(compiler_globals->function_table, 100, NULL, (void (*)(void *)) destroy_zend_function, 1);
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zend_hash_init(compiler_globals->function_table, 100, NULL, ZEND_FUNCTION_DTOR, 1);
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zend_hash_copy(compiler_globals->function_table, global_function_table, NULL, &tmp_func, sizeof(zend_function));
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compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
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zend_hash_init(compiler_globals->class_table, 10, NULL, (void (*)(void *)) destroy_zend_class, 1);
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zend_hash_init(compiler_globals->class_table, 10, NULL, ZEND_CLASS_DTOR, 1);
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zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref, &tmp_class, sizeof(zend_class_entry));
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}
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@ -303,10 +303,10 @@ int zend_startup(zend_utility_functions *utility_functions, char **extensions)
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#endif
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GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
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GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
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zend_hash_init(GLOBAL_FUNCTION_TABLE, 100, NULL, (void (*)(void *)) destroy_zend_function, 1);
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zend_hash_init(GLOBAL_CLASS_TABLE, 10, NULL, (void (*)(void *)) destroy_zend_class, 1);
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zend_hash_init(GLOBAL_FUNCTION_TABLE, 100, NULL, ZEND_FUNCTION_DTOR, 1);
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zend_hash_init(GLOBAL_CLASS_TABLE, 10, NULL, ZEND_CLASS_DTOR, 1);
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register_standard_class();
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zend_hash_init(&module_registry, 50, NULL, (void (*)(void *)) module_destructor, 1);
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zend_hash_init(&module_registry, 50, NULL, ZEND_MODULE_DTOR, 1);
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zend_hash_init(&list_destructors, 50, NULL, NULL, 1);
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#ifdef ZTS
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@ -767,7 +767,7 @@ ZEND_API zend_class_entry *register_internal_class(zend_class_entry *class_entry
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class_entry->refcount = (int *) malloc(sizeof(int));
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*class_entry->refcount = 1;
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zend_hash_init(&class_entry->default_properties, 0, NULL, PVAL_PTR_DTOR, 1);
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zend_hash_init(&class_entry->function_table, 0, NULL, (void (*)(void *)) destroy_zend_function, 1);
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zend_hash_init(&class_entry->function_table, 0, NULL, ZEND_FUNCTION_DTOR, 1);
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zend_hash_update(CG(class_table), lowercase_name, class_entry->name_length+1, class_entry, sizeof(zend_class_entry), (void **) ®ister_class);
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free(lowercase_name);
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@ -1219,7 +1219,7 @@ void do_begin_class_declaration(znode *class_name, znode *parent_class_name CLS_
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zend_str_tolower(CG(class_entry).name, CG(class_entry).name_length);
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zend_hash_init(&CG(class_entry).function_table, 10, NULL, (void (*)(void *)) destroy_zend_function, 0);
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zend_hash_init(&CG(class_entry).function_table, 10, NULL, ZEND_FUNCTION_DTOR, 0);
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zend_hash_init(&CG(class_entry).default_properties, 10, NULL, PVAL_PTR_DTOR, 0);
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/* code for inheritance from parent class */
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@ -350,10 +350,13 @@ ZEND_API void zend_close_file_handle(zend_file_handle *file_handle CLS_DC);
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ZEND_API void zend_open_file_dtor(void *f);
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END_EXTERN_C()
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ZEND_API void destroy_zend_function(zend_function *function);
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ZEND_API void destroy_zend_class(zend_class_entry *ce);
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ZEND_API int destroy_zend_function(zend_function *function);
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ZEND_API int destroy_zend_class(zend_class_entry *ce);
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void zend_class_add_ref(zend_class_entry *ce);
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#define ZEND_FUNCTION_DTOR (int (*)(void *)) destroy_zend_function
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#define ZEND_CLASS_DTOR (int (*)(void *)) destroy_zend_class
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zend_op *get_next_op(zend_op_array *op_array CLS_DC);
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int get_next_op_number(zend_op_array *op_array);
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int print_class(zend_class_entry *class_entry);
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@ -22,12 +22,13 @@
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#include "zend_globals.h"
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void free_zend_constant(zend_constant *c)
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int free_zend_constant(zend_constant *c)
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{
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if (!(c->flags & CONST_PERSISTENT)) {
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zval_dtor(&c->value);
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}
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free(c->name);
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return 1;
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}
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@ -86,7 +87,7 @@ int zend_startup_constants(ELS_D)
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EG(zend_constants) = (HashTable *) malloc(sizeof(HashTable));
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if (zend_hash_init(EG(zend_constants), 20, NULL, (void(*)(void *)) free_zend_constant, 1)==FAILURE) {
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if (zend_hash_init(EG(zend_constants), 20, NULL, ZEND_CONSTANT_DTOR, 1)==FAILURE) {
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return FAILURE;
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}
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@ -41,7 +41,7 @@ typedef struct _zend_constant {
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#define REGISTER_MAIN_STRINGL_CONSTANT(name,str,len,flags) zend_register_stringl_constant((name),sizeof(name),(str),(len),(flags),0 ELS_CC)
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void clean_module_constants(int module_number);
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void free_zend_constant(zend_constant *c);
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int free_zend_constant(zend_constant *c);
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int zend_startup_constants(ELS_D);
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int zend_shutdown_constants(ELS_D);
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void clean_non_persistent_constants(void);
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@ -52,4 +52,6 @@ ZEND_API void zend_register_string_constant(char *name, uint name_len, char *str
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ZEND_API void zend_register_stringl_constant(char *name, uint name_len, char *strval, uint strlen, int flags, int module_number ELS_DC);
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ZEND_API void zend_register_constant(zend_constant *c ELS_DC);
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#define ZEND_CONSTANT_DTOR (int (*)(void *)) free_zend_constant
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#endif
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@ -195,7 +195,7 @@ ZEND_API inline void safe_free_zval_ptr(zval *p)
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}
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ZEND_API void zval_ptr_dtor(zval **zval_ptr)
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ZEND_API int zval_ptr_dtor(zval **zval_ptr)
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{
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#if DEBUG_ZEND>=2
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printf("Reducing refcount for %x (%x): %d->%d\n", *zval_ptr, zval_ptr, (*zval_ptr)->refcount, (*zval_ptr)->refcount-1);
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@ -205,6 +205,7 @@ ZEND_API void zval_ptr_dtor(zval **zval_ptr)
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zval_dtor(*zval_ptr);
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safe_free_zval_ptr(*zval_ptr);
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}
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return 1;
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}
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@ -71,7 +71,7 @@ ZEND_API ulong hashpjw(char *arKey, uint nKeyLength)
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}
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ZEND_API int zend_hash_init(HashTable *ht, uint nSize, ulong(*pHashFunction) (char *arKey, uint nKeyLength), void (*pDestructor) (void *pData),int persistent)
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ZEND_API int zend_hash_init(HashTable *ht, uint nSize, ulong(*pHashFunction) (char *arKey, uint nKeyLength), int (*pDestructor) (void *pData),int persistent)
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{
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uint i;
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@ -720,6 +720,7 @@ ZEND_API int zend_hash_del_key_or_index(HashTable *ht, char *arKey, uint nKeyLen
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ZEND_API void zend_hash_destroy(HashTable *ht)
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{
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Bucket *p, *q;
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int delete_bucket;
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p = ht->pListHead;
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while (p != NULL) {
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@ -727,13 +728,19 @@ ZEND_API void zend_hash_destroy(HashTable *ht)
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p = p->pListNext;
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if (!q->bIsPointer) {
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if (ht->pDestructor) {
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ht->pDestructor(q->pData);
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delete_bucket = ht->pDestructor(q->pData);
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} else {
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delete_bucket = 1;
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}
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if (!q->pDataPtr && q->pData) {
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pefree(q->pData,ht->persistent);
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}
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} else {
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delete_bucket = 1;
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}
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if (delete_bucket) {
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pefree(q,ht->persistent);
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}
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pefree(q,ht->persistent);
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}
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pefree(ht->arBuckets,ht->persistent);
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}
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@ -56,7 +56,7 @@ typedef struct hashtable {
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Bucket *pListHead;
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Bucket *pListTail;
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Bucket **arBuckets;
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void (*pDestructor) (void *pData);
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int (*pDestructor) (void *pData);
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unsigned char persistent;
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} HashTable;
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@ -64,7 +64,7 @@ typedef struct hashtable {
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BEGIN_EXTERN_C()
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/* startup/shutdown */
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ZEND_API int zend_hash_init(HashTable *ht, uint nSize, ulong(*pHashFunction) (char *arKey, uint nKeyLength), void (*pDestructor) (void *pData), int persistent);
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ZEND_API int zend_hash_init(HashTable *ht, uint nSize, ulong(*pHashFunction) (char *arKey, uint nKeyLength), int (*pDestructor) (void *pData), int persistent);
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ZEND_API void zend_hash_destroy(HashTable *ht);
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ZEND_API void zend_hash_clean(HashTable *ht);
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@ -133,7 +133,7 @@ ZEND_API void *zend_plist_find(int id, int *type)
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}
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void list_entry_destructor(void *ptr)
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int list_entry_destructor(void *ptr)
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{
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list_entry *le = (list_entry *) ptr;
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list_destructors_entry *ld;
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@ -145,10 +145,11 @@ void list_entry_destructor(void *ptr)
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} else {
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zend_error(E_WARNING,"Unknown list entry type in request shutdown (%d)",le->type);
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}
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return 1;
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}
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void plist_entry_destructor(void *ptr)
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int plist_entry_destructor(void *ptr)
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{
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list_entry *le = (list_entry *) ptr;
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list_destructors_entry *ld;
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@ -160,6 +161,7 @@ void plist_entry_destructor(void *ptr)
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} else {
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zend_error(E_WARNING,"Unknown persistent list entry type in module shutdown (%d)",le->type);
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}
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return 1;
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}
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@ -42,8 +42,8 @@ enum list_entry_type {
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LE_DB=1000
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};
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void list_entry_destructor(void *ptr);
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void plist_entry_destructor(void *ptr);
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int list_entry_destructor(void *ptr);
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int plist_entry_destructor(void *ptr);
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int clean_module_resource_destructors(list_destructors_entry *ld, int *module_number);
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int init_resource_list(ELS_D);
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@ -52,4 +52,5 @@ extern void module_destructor(zend_module_entry *module);
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extern int module_registry_cleanup(zend_module_entry *module);
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extern int module_registry_request_startup(zend_module_entry *module);
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#define ZEND_MODULE_DTOR (int (*)(void *)) module_destructor
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#endif
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@ -99,7 +99,7 @@ void init_op_array(zend_op_array *op_array, int initial_ops_size)
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}
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ZEND_API void destroy_zend_function(zend_function *function)
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ZEND_API int destroy_zend_function(zend_function *function)
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{
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switch (function->type) {
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case ZEND_USER_FUNCTION:
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@ -109,13 +109,14 @@ ZEND_API void destroy_zend_function(zend_function *function)
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/* do nothing */
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break;
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}
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return 1;
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}
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ZEND_API void destroy_zend_class(zend_class_entry *ce)
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ZEND_API int destroy_zend_class(zend_class_entry *ce)
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{
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if (--(*ce->refcount)>0) {
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return;
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return 1;
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}
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switch (ce->type) {
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case ZEND_USER_CLASS:
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@ -131,6 +132,7 @@ ZEND_API void destroy_zend_class(zend_class_entry *ce)
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zend_hash_destroy(&ce->default_properties);
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break;
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}
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return 1;
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}
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@ -47,7 +47,7 @@ ZEND_API inline void var_uninit(zval *var)
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}
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ZEND_API void zval_dtor(zval *zvalue)
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ZEND_API int zval_dtor(zval *zvalue)
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{
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if (zvalue->type==IS_LONG) {
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return;
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@ -22,14 +22,14 @@ ZEND_API int zend_print_variable(zval *var);
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BEGIN_EXTERN_C()
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ZEND_API int zval_copy_ctor(zval *zvalue);
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ZEND_API void zval_dtor(zval *zvalue);
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ZEND_API int zval_dtor(zval *zvalue);
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END_EXTERN_C()
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ZEND_API void zval_ptr_dtor(zval **zval_ptr);
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ZEND_API int zval_ptr_dtor(zval **zval_ptr);
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void zval_add_ref(zval **p);
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#define PVAL_DESTRUCTOR (void (*)(void *)) zval_dtor
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#define PVAL_PTR_DTOR (void (*)(void *)) zval_ptr_dtor
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#define PVAL_DESTRUCTOR (int (*)(void *)) zval_dtor
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#define PVAL_PTR_DTOR (int (*)(void *)) zval_ptr_dtor
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#define PVAL_COPY_CTOR (void (*)(void *)) zval_copy_ctor
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ZEND_API void var_reset(zval *var);
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