About OOP thread programming
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-------------------------------------------------------------------------------- Now i am using C++ try to create a Thread class, and used by main function. in the main function i will create 2 threads and 1 critical section and 1 com port handle, i want the 2 threads share the same handle and critical section. in the construction of thread, i pass the address of handle and critical section in. In the function of thread i will try to enter the critical section and do something. But now the condition i met is that neither of the 2 threads can enter the critical section. If i don't care about the critical section, neither of them can use the send thing to com port handle. So is there anyone met this condition before? what's the problem? Thanks a lot for your help in advance...