Macro nix::ioctl_write_int_bad
source · macro_rules! ioctl_write_int_bad { ($(#[$attr:meta])* $name:ident, $nr:expr) => { ... }; }
Expand description
Generates a wrapper function for a “bad” ioctl that writes an integer 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, data: libc::c_int) -> Result<libc::c_int>
For a more in-depth explanation of ioctls, see ::sys::ioctl
.
§Examples
ioctl_write_int_bad!(tcsbrk, libc::TCSBRK);
const KVMIO: u8 = 0xAE;
ioctl_write_int_bad!(kvm_create_vm, request_code_none!(KVMIO, 0x03));