devela::sys::os::linux::io

Function linux_sys_ioctl

Source 
pub unsafe fn linux_sys_ioctl(
    fd: c_int,
    request: c_ulong,
    argp: *mut u8,
) -> isize ⓘ
Available on crate features unsafe_syscall and linux only.
Expand description

Performs an ioctl syscall.

Performs a generic I/O control operation (ioctl) on the given file descriptor.

The operation to perform and the data to use is determined by the request argument, which is a device-specific request code, and the argp argument, which is a pointer to the data.

§Info

§Safety

TODO