diff options
Diffstat (limited to 'library/std/src/sys/unix/futex.rs')
| -rw-r--r-- | library/std/src/sys/unix/futex.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/std/src/sys/unix/futex.rs b/library/std/src/sys/unix/futex.rs index b82a4a73440..c61d948fb60 100644 --- a/library/std/src/sys/unix/futex.rs +++ b/library/std/src/sys/unix/futex.rs @@ -14,6 +14,8 @@ pub fn futex_wait(futex: &AtomicI32, expected: i32, timeout: Option<Duration>) - use crate::sync::atomic::Ordering::Relaxed; // Calculate the timeout as an absolute timespec. + // + // Overflows are rounded up to an infinite timeout (None). let timespec = timeout.and_then(|d| Some(Timespec::now(libc::CLOCK_MONOTONIC).checked_add_duration(&d)?)); |