Macro nix::ioctl_none_bad [−][src]
Generates a wrapper function for a “bad” ioctl that passes no data to the kernel.
The arguments to this macro are:
- The function name
- The ioctl request code
The generated function has the following signature:
ⓘ
pub unsafe fn FUNCTION_NAME(fd: libc::c_int) -> Result<libc::c_int>
For a more in-depth explanation of ioctls, see ::sys::ioctl
.
Example
ioctl_none_bad!(tiocnxcl, TIOCNXCL); fn main() { let file = File::open("/dev/ttyUSB0").unwrap(); unsafe { tiocnxcl(file.as_raw_fd()) }.unwrap(); }