Macro nix::ioctl_readwrite_buf [−][src]
macro_rules! ioctl_readwrite_buf {
($(#[$attr : meta]) * $name : ident, $ioty : expr, $nr : expr, $ty : ty) => { ... };
}
Expand description
Generates a wrapper function for an ioctl that reads and writes an array of elements to the kernel.
The arguments to this macro are:
- The function name
- The ioctl identifier
- The ioctl sequence number
- The data type passed by this ioctl
The generated function has the following signature:
ⓘ
pub unsafe fn FUNCTION_NAME(fd: libc::c_int, data: &mut [DATA_TYPE]) -> Result<libc::c_int>
For a more in-depth explanation of ioctls, see ::sys::ioctl
.