使用了c++11的thread库，运行出现了：
terminate called after throwing an instance of 'std::system_error'
what(): Enable multithreading to use std::thread: Operation not permitted
Aborted
解决：g++ -std=c++11 -pthread -Wl,--no-as-needed thread_test.cpp
c++ g++运行出现Enable multithreading to use std::thread: Operation not permitted解决
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