Fix when executing table::free() before process exit, it causes mutex lock not work in other processes. see https://github.com/swoole/benchmark/blob/master/table.php [random_rw test]

Author: matyhtf

ext-src/swoole_table.cc

@@ -110,10 +110,6 @@ static void inline php_swoole_table_set_ptr(zval *zobject, Table *ptr) {
 }
 
 static inline void php_swoole_table_free_object(zend_object *object) {
-    Table *table = php_swoole_table_fetch_object(object)->ptr;
-    if (table) {
-        table->free();
-    }
     zend_object_std_dtor(object);
 }
 

include/swoole_table.h

@@ -198,8 +198,6 @@ class Table {
     TableRow *get(const char *key, uint16_t keylen, TableRow **rowlock);
     bool del(const char *key, uint16_t keylen);
     void forward();
-    // only release local memory of the current process
-    void free();
     // release shared memory
     void destroy();
 

src/memory/table.cc

@@ -55,13 +55,6 @@ Table *Table::make(uint32_t rows_size, float conflict_proportion) {
     return table;
 }
 
-void Table::free() {
-    delete mutex;
-    delete iterator;
-    delete column_map;
-    delete column_list;
-}
-
 bool Table::add_column(const std::string &_name, enum TableColumn::Type _type, size_t _size) {
     if (_type < TableColumn::TYPE_INT || _type > TableColumn::TYPE_STRING) {
         swoole_warning("unknown column type");