[*] Annoying Linux checks

Source/IO/IPC/AuIPCMutexFutex.Linux.cpp

@@ -325,11 +325,11 @@ static bool LinuxLockFutex(AuUInt32 *futex, AuUInt32 timeout)
             int res = Aurora::futex_wait_shared(futex, old, timeout ? &tspec : nullptr);
             if (res < 0)
             {
-                if (res == ETIMEDOUT || errno == ETIMEDOUT)
+                if (res == -ETIMEDOUT)
                 {
                     return false;
                 }
-                else if (res == -EAGAIN || errno == EAGAIN)
+                else if (res == -EAGAIN)
                 {
                     bContended = true;
                 }

Source/Threading/Primitives/AuMutex.Linux.cpp

@@ -133,7 +133,7 @@ namespace Aurora::Threading::Primitives
                         break;
                     }
 
-                    if (ret == EAGAIN)
+                    if (ret == -EAGAIN)
                     {
                         bStatus = true;
                         break;