fix crash by using normal timeout; add sendq todo.

lichao

2021-04-16 94a455aba299af5ffe476560d859dfd007cd5467

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*.un~
build/
debug/
release/
Makefile
utest/utest
*.bak
gmon.out
box/bhshmqbox
box/bhshmq_center
box/help
utest/bhshmq_center