How does sema4 use in linux applicaiton

[jingyangxie]

I want to use sema4 to perform mutually exclusive operation between a9 and m4 applications, how can I achieve it, especially on A9 aside

[igorpadykov]

Hi jingyang

one can refer to https://community.nxp.com/thread/384413 

also additional document was sent via mail.

Best regards
igor
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