Fix the data parsing when in multiple threads.

fujuntang

2021-09-23 82b028cf63953d8080b63d85468eae488d212194

 src/shm/shm_allocator.h

@@ -1,7 +1,7 @@
#ifndef __SHM_ALLOCATOR_H__
#define __SHM_ALLOCATOR_H__
#include "usg_common.h"
#include "mem_pool.h"
#include "mm.h"
#include <new>
#include <cstdlib> // for exit()
#include <climits> // for UNIX_MAX