IT Log

Record various IT issues and difficulties.

Tag: fcntl


  • The Example of F_SETOWN

    To address the problem of using F_SETOWN, I will proceed with a systematic approach, ensuring each step is clearly explained. Understanding F_SETOWN F_SETOWN is an option used with the fcntl() function in Unix-like systems to set the process ID (PID) that receives asynchronous I/O notifications for a file descriptor. This is particularly useful when dealing…