diff options
Diffstat (limited to 'library/std/src/sys/hermit/mod.rs')
| -rw-r--r-- | library/std/src/sys/hermit/mod.rs | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/library/std/src/sys/hermit/mod.rs b/library/std/src/sys/hermit/mod.rs index d34a4cfed..c7cb84667 100644 --- a/library/std/src/sys/hermit/mod.rs +++ b/library/std/src/sys/hermit/mod.rs @@ -15,7 +15,6 @@ #![allow(missing_docs, nonstandard_style, unsafe_op_in_unsafe_fn)] -use crate::intrinsics; use crate::os::raw::c_char; pub mod alloc; @@ -76,9 +75,18 @@ pub fn abort_internal() -> ! { } } -// FIXME: just a workaround to test the system pub fn hashmap_random_keys() -> (u64, u64) { - (1, 2) + let mut buf = [0; 16]; + let mut slice = &mut buf[..]; + while !slice.is_empty() { + let res = cvt(unsafe { abi::read_entropy(slice.as_mut_ptr(), slice.len(), 0) }) + .expect("failed to generate random hashmap keys"); + slice = &mut slice[res as usize..]; + } + + let key1 = buf[..8].try_into().unwrap(); + let key2 = buf[8..].try_into().unwrap(); + (u64::from_ne_bytes(key1), u64::from_ne_bytes(key2)) } // This function is needed by the panic runtime. The symbol is named in |