Fix the system hang issue when the app is killed contantly.

fujuntang

2021-11-10 c479ef57baaaa28964fc3ec8d80ff99dffa7d49f

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ipcrm -a
rm *.txt
./test_lostdata
sort -n c.txt  > c1.txt
sort -n p.txt  > p1.txt
diff -u p1.txt c1.txt