pub fn sys_handle_control(trapframe: &mut Trapframe) -> usizeExpand description
sys_handle_control - Perform control operations on a handle
This system call allows user space to perform device-specific control operations on a handle, similar to ioctl operations in POSIX systems.
§Arguments
- handle: The handle to perform the control operation on
- command: The control command identifier
- arg: Command-specific argument (often a pointer to data)
§Returns
- i32 value on success (command-specific)
- usize::MAX on error