21 const WRITER: u32 = 1;  constant
125         if value & (WRITER | UPGRADED) != 0 {  in try_read()
160         return (self.lock.load(Ordering::Relaxed) & WRITER) / WRITER;  in writer_count()
170             .compare_exchange(0, WRITER, Ordering::Acquire, Ordering::Relaxed)  in try_write()
201         if self.lock.fetch_or(UPGRADED, Ordering::Acquire) & (WRITER | UPGRADED) == 0 {  in try_upgradeable_read()
228         debug_assert!(self.lock.load(Ordering::Relaxed) & !WRITER > 0);  in force_read_decrement()
237         debug_assert_eq!(self.lock.load(Ordering::Relaxed) & !(WRITER | UPGRADED), 0);  in force_write_unlock()
238         self.lock.fetch_and(!(WRITER | UPGRADED), Ordering::Release);  in force_write_unlock()
277             WRITER,  in try_upgrade()
374             self.inner.lock.load(Ordering::Acquire) & (WRITER | UPGRADED),  in downgrade_to_upgradeable()
375             WRITER  in downgrade_to_upgradeable()
423         debug_assert!(self.lock.load(Ordering::Relaxed) & !(WRITER | UPGRADED) > 0);  in drop()
431             self.inner.lock.load(Ordering::Relaxed) & (WRITER | UPGRADED),  in drop()
441         debug_assert_eq!(self.inner.lock.load(Ordering::Relaxed) & WRITER, WRITER);  in drop()
444             .fetch_and(!(WRITER | UPGRADED), Ordering::Release);  in drop()