Fixed bug #34729 (Crash in ZTS mode under Apache)
authorDmitry Stogov <dmitry@php.net>
Thu, 1 Dec 2005 11:49:51 +0000 (11:49 +0000)
committerDmitry Stogov <dmitry@php.net>
Thu, 1 Dec 2005 11:49:51 +0000 (11:49 +0000)
Zend/zend.c
Zend/zend_API.c
Zend/zend_API.h
Zend/zend_builtin_functions.c
Zend/zend_compile.c
Zend/zend_globals.h
Zend/zend_object_handlers.c
Zend/zend_opcode.c
ext/reflection/php_reflection.c
ext/standard/basic_functions.c

index 88eb8f3ccef77805b56380a97c2012b3fd3ea468..ad5f4a8622867214c1cb23e47073056fbfcbef9a 100644 (file)
@@ -970,6 +970,13 @@ static void compiler_globals_ctor(zend_compiler_globals *compiler_globals TSRMLS
        } else {
                compiler_globals->global_u_auto_globals_table = NULL;
        }
+
+       compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
+       if (compiler_globals->last_static_member) {
+               compiler_globals->static_members = (HashTable**)calloc(compiler_globals->last_static_member, sizeof(HashTable*));
+       } else {
+               compiler_globals->static_members = NULL;
+       }
 }
 
 
@@ -1008,6 +1015,10 @@ static void compiler_globals_dtor(zend_compiler_globals *compiler_globals TSRMLS
                        free(compiler_globals->global_u_auto_globals_table);
                }
        }
+       if (compiler_globals->static_members) {
+               free(compiler_globals->static_members);
+       }
+       compiler_globals->last_static_member = 0;
 }
 
 
index 198d2b54c2dcca9b5251fbda5d4ab8f03ccf422c..9cd3096d0a20278a4f30408c413ee0f17cb016a1 100644 (file)
@@ -1115,22 +1115,26 @@ ZEND_API void zend_merge_properties(zval *obj, HashTable *properties, int destro
 
 ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC)
 {
-       if (!class_type->constants_updated || !class_type->static_members) {
+       if (!class_type->constants_updated || !CE_STATIC_MEMBERS(class_type)) {
                zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry);
                zend_class_entry *old_scope = *scope;
 
                *scope = class_type;
                zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
 
-               if (!class_type->static_members) {
+               if (!CE_STATIC_MEMBERS(class_type)) {
                        HashPosition pos;
                        zval **p;
 
                        if (class_type->parent) {
                                zend_update_class_constants(class_type->parent TSRMLS_CC);
                        }
+#if ZTS
+                       ALLOC_HASHTABLE(CG(static_members)[(long)(class_type->static_members)]);
+#else
                        ALLOC_HASHTABLE(class_type->static_members);
-                       zend_u_hash_init(class_type->static_members, 0, NULL, ZVAL_PTR_DTOR, 0, UG(unicode));
+#endif
+                       zend_u_hash_init(CE_STATIC_MEMBERS(class_type), 0, NULL, ZVAL_PTR_DTOR, 0, UG(unicode));
 
                        zend_hash_internal_pointer_reset_ex(&class_type->default_static_members, &pos);
                        while (zend_hash_get_current_data_ex(&class_type->default_static_members, (void**)&p, &pos) == SUCCESS) {
@@ -1156,10 +1160,10 @@ ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC
                                    class_type->parent &&
                                    zend_u_hash_find(&class_type->parent->default_static_members, utype, str_index, str_length, (void**)&q) == SUCCESS &&
                                    *p == *q &&
-                                   zend_u_hash_find(class_type->parent->static_members, utype, str_index, str_length, (void**)&q) == SUCCESS) {
+                                   zend_u_hash_find(CE_STATIC_MEMBERS(class_type->parent), utype, str_index, str_length, (void**)&q) == SUCCESS) {
                                        (*q)->refcount++;
                                        (*q)->is_ref = 1;
-                                       zend_u_hash_add(class_type->static_members, utype, str_index, str_length, (void**)q, sizeof(zval*), NULL);
+                                       zend_u_hash_add(CE_STATIC_MEMBERS(class_type), utype, str_index, str_length, (void**)q, sizeof(zval*), NULL);
                                } else {
                                        zval *q;
                                        
@@ -1167,12 +1171,12 @@ ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC
                                        *q = **p;
                                        INIT_PZVAL(q);
                                        zval_copy_ctor(q);
-                                       zend_u_hash_add(class_type->static_members, utype, str_index, str_length, (void**)&q, sizeof(zval*), NULL);
+                                       zend_u_hash_add(CE_STATIC_MEMBERS(class_type), utype, str_index, str_length, (void**)&q, sizeof(zval*), NULL);
                                }
                                zend_hash_move_forward_ex(&class_type->default_static_members, &pos);
                        }
                }
-               zend_hash_apply_with_argument(class_type->static_members, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
+               zend_hash_apply_with_argument(CE_STATIC_MEMBERS(class_type), (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
                
                *scope = old_scope;
                class_type->constants_updated = 1;
index 92c3716b191cbaa8aeed82b1bee7b25754535870..c22dd00bd1119a622ee7f03a555decc25d6e4062 100644 (file)
@@ -152,6 +152,12 @@ typedef struct _zend_function_entry {
 #define INIT_OVERLOADED_CLASS_ENTRY(class_container, class_name, functions, handle_fcall, handle_propget, handle_propset) \
        INIT_OVERLOADED_CLASS_ENTRY_EX(class_container, class_name, functions, handle_fcall, handle_propget, handle_propset, NULL, NULL)
 
+#ifdef ZTS
+#      define CE_STATIC_MEMBERS(ce) (((ce)->type==ZEND_USER_CLASS)?(ce)->static_members:CG(static_members)[(long)(ce)->static_members])
+#else
+#      define CE_STATIC_MEMBERS(ce) ((ce)->static_members)
+#endif
+
 int zend_next_free_module(void);
 
 BEGIN_EXTERN_C()
index de9358625b70817014058863ab1e92d527f6f3a6..a7629f7a8e16b979168ab5c08b747e269cfe3daf 100644 (file)
@@ -789,7 +789,7 @@ ZEND_FUNCTION(get_class_vars)
                array_init(return_value);
                add_class_vars(*pce, &(*pce)->default_properties, return_value TSRMLS_CC);
                zend_update_class_constants(*pce TSRMLS_CC);
-               add_class_vars(*pce, (*pce)->static_members, return_value TSRMLS_CC);
+               add_class_vars(*pce, CE_STATIC_MEMBERS(*pce), return_value TSRMLS_CC);
        }
 }
 /* }}} */
index 4575392c79f9f3428bde410d28bebf54ac65203f..ff20c63625cfbf1eacf9a5dd2edacf4185057e75 100644 (file)
@@ -2195,7 +2195,7 @@ static zend_bool do_inherit_property_access_check(HashTable *target_ht, zend_pro
 
                                if (parent_ce->type != ce->type) {
                                        /* User class extends internal class */
-                                       ht = parent_ce->static_members;
+                                       ht = CE_STATIC_MEMBERS(parent_ce);
                                } else {
                                        ht = &parent_ce->default_static_members;
                                }
@@ -2301,7 +2301,7 @@ ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent
        if (parent_ce->type != ce->type) {
                /* User class extends internal class */
                zend_update_class_constants(parent_ce  TSRMLS_CC);
-               zend_hash_merge(&ce->default_static_members, parent_ce->static_members, (void (*)(void *)) inherit_static_prop, NULL, sizeof(zval *), 0);
+               zend_hash_merge(&ce->default_static_members, CE_STATIC_MEMBERS(parent_ce), (void (*)(void *)) inherit_static_prop, NULL, sizeof(zval *), 0);
        } else {
                zend_hash_merge(&ce->default_static_members, &parent_ce->default_static_members, (void (*)(void *)) inherit_static_prop, NULL, sizeof(zval *), 0);
        }
@@ -4208,7 +4208,23 @@ ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify
        zend_u_hash_init_ex(&ce->constants_table, 0, NULL, zval_ptr_dtor_func, persistent_hashes, UG(unicode), 0);
        zend_u_hash_init_ex(&ce->function_table, 0, NULL, ZEND_FUNCTION_DTOR, persistent_hashes, UG(unicode), 0);
 
-       ce->static_members = (ce->type == ZEND_INTERNAL_CLASS) ? NULL : &ce->default_static_members;
+       if (ce->type == ZEND_INTERNAL_CLASS) {
+#ifdef ZTS
+               int n = zend_hash_num_elements(CG(class_table));
+
+               if (CG(static_members) && n >= CG(last_static_member)) {
+                       /* Support for run-time declaration: dl() */
+                       CG(last_static_member) = n+1;
+                       CG(static_members) = realloc(CG(static_members), (n+1)*sizeof(HashTable*));
+                       CG(static_members)[n] = NULL;
+               }
+               ce->static_members = (HashTable*)n;
+#else
+               ce->static_members = NULL;
+#endif
+       } else {
+               ce->static_members = &ce->default_static_members;
+       }
 
        if (nullify_handlers) {
                ce->constructor = NULL;
index 7900e452684ecfc59abd6061ad7e9e5206232bb4..8de7ed395c7ea7c0d2c1ce2129cc1a7ea6bd5dd2 100644 (file)
@@ -143,6 +143,9 @@ struct _zend_compiler_globals {
        HashTable *global_u_function_table;
        HashTable *global_u_class_table;
        HashTable *global_u_auto_globals_table;
+
+       HashTable **static_members;
+       int last_static_member;
 #endif
 };
 
index 93e1c27d14e568117e17694285c4f34016201e88..529afee20893f04e5c3f47ac165b901f53bf7fb8 100644 (file)
@@ -875,7 +875,7 @@ ZEND_API zval **zend_std_get_static_property(zend_class_entry *ce, zend_uchar ty
 
        zend_update_class_constants(tmp_ce TSRMLS_CC);
 
-       zend_u_hash_quick_find(tmp_ce->static_members, UG(unicode)?IS_UNICODE:IS_STRING, property_info->name, property_info->name_length+1, property_info->h, (void **) &retval);
+       zend_u_hash_quick_find(CE_STATIC_MEMBERS(tmp_ce), UG(unicode)?IS_UNICODE:IS_STRING, property_info->name, property_info->name_length+1, property_info->h, (void **) &retval);
 
        if (!retval) {
                if (silent) {
index ff46517a7475f6417e14e9412e12f06106dc7da2..22f6bc4a8bff62aeb84078e66cb89f12539562ff 100644 (file)
@@ -141,18 +141,20 @@ ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC)
 
 ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC)
 {
-       if ((*pce)->static_members) {
-               if ((*pce)->static_members != &(*pce)->default_static_members) {
-                       zend_hash_destroy((*pce)->static_members);
-                       FREE_HASHTABLE((*pce)->static_members);
-               }
-               (*pce)->static_members = NULL;
-       }
        if ((*pce)->type == ZEND_USER_CLASS) {
                /* Clean all parts that can contain run-time data */
                /* Note that only run-time accessed data need to be cleaned up, pre-defined data can
                   not contain objects and thus are not probelmatic */
                zend_hash_apply(&(*pce)->function_table, (apply_func_t) zend_cleanup_function_data TSRMLS_CC);
+               (*pce)->static_members = NULL;
+       } else if (CE_STATIC_MEMBERS(*pce)) {
+               zend_hash_destroy(CE_STATIC_MEMBERS(*pce));
+               FREE_HASHTABLE(CE_STATIC_MEMBERS(*pce));
+#ifdef ZTS
+               CG(static_members)[(long)((*pce)->static_members)] = NULL;
+#else
+               (*pce)->static_members = NULL;
+#endif
        }
        return 0;
 }
index ef1e51ba183dc605068f26fc83b2e6f294a0b2f5..d15f156b63a43ac06a408777407517b3526269a2 100644 (file)
@@ -2541,7 +2541,7 @@ ZEND_METHOD(reflection_class, getStaticProperties)
        zend_update_class_constants(ce TSRMLS_CC);
 
        array_init(return_value);
-       zend_hash_copy(Z_ARRVAL_P(return_value), ce->static_members, (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
+       zend_hash_copy(Z_ARRVAL_P(return_value), CE_STATIC_MEMBERS(ce), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *));
 }
 /* }}} */
 
@@ -3657,7 +3657,7 @@ ZEND_METHOD(reflection_property, getValue)
 
        if ((ref->prop->flags & ZEND_ACC_STATIC)) {
                zend_update_class_constants(intern->ce TSRMLS_CC);
-               if (zend_u_hash_quick_find(intern->ce->static_members, utype, ref->prop->name, ref->prop->name_length + 1, ref->prop->h, (void **) &member) == FAILURE) {
+               if (zend_u_hash_quick_find(CE_STATIC_MEMBERS(intern->ce), utype, ref->prop->name, ref->prop->name_length + 1, ref->prop->h, (void **) &member) == FAILURE) {
                        zend_error(E_ERROR, "Internal error: Could not find the property %v", ref->prop->name);
                        /* Bails out */
                }
@@ -3706,7 +3706,7 @@ ZEND_METHOD(reflection_property, setValue)
                        }
                }
                zend_update_class_constants(intern->ce TSRMLS_CC);
-               prop_table = intern->ce->static_members;
+               prop_table = CE_STATIC_MEMBERS(intern->ce);
        } else {
                if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "oz", &object, &value) == FAILURE) {
                        return;
index 2698c3ad128cac69bbc13d05f2875492a4ca9392..7407c2e5c16de175fb276bbc92ee5f5326cd3a88 100644 (file)
@@ -107,6 +107,8 @@ php_basic_globals basic_globals;
 #include "php_fopen_wrappers.h"
 #include "streamsfuncs.h"
 
+static zend_class_entry *incomplete_class_entry = NULL;
+
 static
        ZEND_BEGIN_ARG_INFO(first_and_second__args_force_ref, 0)
                ZEND_ARG_PASS_INFO(1)
@@ -960,7 +962,7 @@ static void basic_globals_ctor(php_basic_globals *basic_globals_p TSRMLS_DC)
        memset(&BG(mblen_state), 0, sizeof(BG(mblen_state)));
 #endif
 
-       BG(incomplete_class) = php_create_incomplete_class(TSRMLS_C);
+       BG(incomplete_class) = incomplete_class_entry;
 }
 
 
@@ -1026,6 +1028,8 @@ PHP_MINIT_FUNCTION(basic)
 #endif
 #endif
 
+       BG(incomplete_class) = incomplete_class_entry = php_create_incomplete_class(TSRMLS_C);
+
        REGISTER_LONG_CONSTANT("CONNECTION_ABORTED", PHP_CONNECTION_ABORTED, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CONNECTION_NORMAL",  PHP_CONNECTION_NORMAL,  CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CONNECTION_TIMEOUT", PHP_CONNECTION_TIMEOUT, CONST_CS | CONST_PERSISTENT);