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How can I call M fuctions in different thread in mex coding matlab and C++?

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ian gong
ian gong on 27 Jul 2021
Answered: Bruno Luong on 27 Jul 2021
Matlab 2019b
I tried to use mexCallMATLAB in the new thread, but failed.
is there any other way to realize that calling M functions in different thread in mex coding matlab and C++?
the following is my code,hello() is a M function:
#include "mex.h"
#include <thread>
#include <stdio.h>
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
std::thread t(mexCallMATLAB(nlhs,(mxArray**)(&plhs[0]),nrhs,(mxArray**)(&prhs[0]),"hello"));
t.join();
}

Accepted Answer

Bruno Luong
Bruno Luong on 27 Jul 2021
No you cannot. MATLAB will crash since many MATLAB functions are not thread safe.

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