Kernel: Reorder FUTEX_WAIT value and timeout check

Return EAGAIN rather than ETIMEDOUT if value does not match at futex entry
2026-04-21 00:20:37 +03:00
parent 0ee50032f3
commit 72a24a0d38
1 changed files with 3 additions and 3 deletions
--- a/kernel/kernel/Process.cpp
+++ b/kernel/kernel/Process.cpp
@@ -3215,6 +3215,9 @@ namespace Kernel
 				return BAN::Error::from_errno(ENOSYS);
 		}

+		if (op == FUTEX_WAIT && BAN::atomic_load(*addr) != val)
+			return BAN::Error::from_errno(EAGAIN);
+
 		uint64_t wake_time_ns = BAN::numeric_limits<uint64_t>::max();

 		if (user_abstime != nullptr)
@@ -3236,9 +3239,6 @@ namespace Kernel
 			}
 		}

-		if (op == FUTEX_WAIT && BAN::atomic_load(*addr) != val)
-			return BAN::Error::from_errno(EAGAIN);
-
 		futex_t* futex;

 		{