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philippejohnrichard avatar philippejohnrichard commented on July 22, 2024

Note :

Program crash alot faster when i use wireshark on USB0, SC1 at the same time as i run my code on the SC0 port

from bacnet-stack.

skarg avatar skarg commented on July 22, 2024

There is a note "Any attempts to use tcdrain() from a process which is a member of a background process group on a fildes associated with its controlling terminal, shall cause the process group to be sent a SIGTTOU signal. If the calling process is blocking or ignoring SIGTTOU signals, the process shall be allowed to perform the operation, and no signal is sent."
https://pubs.opengroup.org/onlinepubs/009696799/functions/tcdrain.html

Perhaps there needs to be a signal catcher to handle the SIGTTOU?

from bacnet-stack.

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