Locking Linux Serial Port

Question

I have an issue that I\'m trying to solve regarding the serial port in Linux. I\'m able to open, read from, and close the port just fine. However, I want to ensure that I

Answer 1

I was able to fix the issue with use of the flock() function. Use of the structure and fcntl() wasn't working for me for some reason. With use of flock() I was able to add two lines of code and solve my issue.