Hello,
> But according to POSIX Terminal Interface, the terminal driver should
> send SIGTTIN and SIGTTOU to the process if an Background process tries
> to read or write the Terminal.
> How does Linux Kernel handle That?
It seems that you (or probably POSIX docs) are confusing two
different things: background process and a deamon. A deamon doesn't
have it's own controolling terminal so it must not read/write from/to
stdio. Perhaps this is what POSIX docs are refering to. Bye.
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