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Add support for getting the UUID of a device #71

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Merged
merged 2 commits into from
May 12, 2022
Merged

Add support for getting the UUID of a device #71

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96daebc
Feat: Add support for getting the UUID of a device
vmx May 11, 2022
87617bb
Fix: Use casting instead of `to_ne_bytes`
vmx May 11, 2022
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23 changes: 23 additions & 0 deletions crates/cust/src/device.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -327,6 +327,29 @@ impl Device {
}
}

/// Returns the UUID of this device.
///
/// # Example
/// ```
/// # use cust::*;
/// # use std::error::Error;
/// # fn main() -> Result<(), Box<dyn Error>> {
/// # init(CudaFlags::empty())?;
/// use cust::device::Device;
/// let device = Device::get_device(0)?;
/// println!("Device UUID: {:?}", device.uuid()?);
/// # Ok(())
/// # }
/// ```
pub fn uuid(self) -> CudaResult<[u8; 16]> {
let mut cu_uuid = CUuuid { bytes: [0i8; 16] };
unsafe {
cuDeviceGetUuid(&mut cu_uuid, self.device).to_result()?;
}
let uuid: [u8; 16] = cu_uuid.bytes.map(|byte| byte.to_ne_bytes()[0]);
Ok(uuid)
}

/// Returns information about this device.
///
/// # Example
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