update shmqueue destory

wangzhengquan

2020-08-05 c85fe0b87d3a1d6765b8ce9a17136a9f7e056178

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ipcrm -a
 
./dgram_mod_req_rep server 2 & node0=$! && sleep 1
./dgram_mod_req_rep client 2 node1
kill $node0