diff options
| -rw-r--r-- | library/std/src/sys/unix/futex.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/library/std/src/sys/unix/futex.rs b/library/std/src/sys/unix/futex.rs index f91367da89c..6156cc6b7d2 100644 --- a/library/std/src/sys/unix/futex.rs +++ b/library/std/src/sys/unix/futex.rs @@ -33,8 +33,6 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) - return true; } - // Use FUTEX_WAIT_BITSET rather than FUTEX_WAIT to be able to give an - // absolute time rather than a relative time. let r = unsafe { cfg_if::cfg_if! { if #[cfg(target_os = "freebsd")] { @@ -56,7 +54,9 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) - crate::ptr::invalid_mut(umtx_timeout_size), umtx_timeout_ptr as *mut _, ) - } else { + } else if #[cfg(any(target_os = "linux", target_os = "android"))] { + // Use FUTEX_WAIT_BITSET rather than FUTEX_WAIT to be able to give an + // absolute time rather than a relative time. libc::syscall( libc::SYS_futex, futex as *const AtomicU32, @@ -66,6 +66,8 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) - null::<u32>(), // This argument is unused for FUTEX_WAIT_BITSET. !0u32, // A full bitmask, to make it behave like a regular FUTEX_WAIT. ) + } else { + compile_error!("unknown target_os"); } } }; |