Function core::arch::x86_64::_rdrand64_step

1.27.0 · source ·

pub unsafe fn _rdrand64_step(val: &mut u64) -> i32

Available on x86-64 and target feature rdrand only.

Expand description

Read a hardware generated 64-bit random value and store the result in val. Returns 1 if a random value was generated, and 0 otherwise.