4 ms·
Also, a lot of devices require very specific ioctl() commands to work with and don't provide everything as a file. For example, you can't set the baudrate of a
by wolletd 3y ago
Also, a lot of devices require very specific ioctl() commands to work with and don't provide everything as a file.
For example, you can't set the baudrate of a serial port by writing it to some /proc node.
- arghwhat 3y agonit: The ioctl syscall targets files just the same as the write syscall. Everything being a file, and everything being read/write calls are different things. There's pros and cons.