1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __LINUX_SPINLOCK_API_UP_H 13 #define __LINUX_SPINLOCK_API_UP_H 14 15 #ifndef __LINUX_SPINLOCK_H 16 #error "please don't include this file directly" 17 #endif 18 19 #define in_lock_functions(ADDR) 0 20 21 #define assert_spin_locked(lock) do { (void)(lock); } while (0) 22 23 #define __LOCK(lock) do { preempt_disable(); __acquire(lock); (void)(lock); } while (0) 24 25 #define __LOCK_BH(lock) do { local_bh_disable(); __LOCK(lock); } while (0) 26 27 #define __LOCK_IRQ(lock) do { local_irq_disable(); __LOCK(lock); } while (0) 28 29 #define __LOCK_IRQSAVE(lock, flags) do { local_irq_save(flags); __LOCK(lock); } while (0) 30 31 #define __UNLOCK(lock) do { preempt_enable(); __release(lock); (void)(lock); } while (0) 32 33 #define __UNLOCK_BH(lock) do { preempt_enable_no_resched(); local_bh_enable(); __release(lock); (void)(lock); } while (0) 34 35 #define __UNLOCK_IRQ(lock) do { local_irq_enable(); __UNLOCK(lock); } while (0) 36 37 #define __UNLOCK_IRQRESTORE(lock, flags) do { local_irq_restore(flags); __UNLOCK(lock); } while (0) 38 39 #define _spin_lock(lock) __LOCK(lock) 40 #define _spin_lock_nested(lock, subclass) __LOCK(lock) 41 #define _read_lock(lock) __LOCK(lock) 42 #define _write_lock(lock) __LOCK(lock) 43 #define _spin_lock_bh(lock) __LOCK_BH(lock) 44 #define _read_lock_bh(lock) __LOCK_BH(lock) 45 #define _write_lock_bh(lock) __LOCK_BH(lock) 46 #define _spin_lock_irq(lock) __LOCK_IRQ(lock) 47 #define _read_lock_irq(lock) __LOCK_IRQ(lock) 48 #define _write_lock_irq(lock) __LOCK_IRQ(lock) 49 #define _spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) 50 #define _read_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) 51 #define _write_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) 52 #define _spin_trylock(lock) ({ __LOCK(lock); 1; }) 53 #define _read_trylock(lock) ({ __LOCK(lock); 1; }) 54 #define _write_trylock(lock) ({ __LOCK(lock); 1; }) 55 #define _spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; }) 56 #define _spin_unlock(lock) __UNLOCK(lock) 57 #define _read_unlock(lock) __UNLOCK(lock) 58 #define _write_unlock(lock) __UNLOCK(lock) 59 #define _spin_unlock_bh(lock) __UNLOCK_BH(lock) 60 #define _write_unlock_bh(lock) __UNLOCK_BH(lock) 61 #define _read_unlock_bh(lock) __UNLOCK_BH(lock) 62 #define _spin_unlock_irq(lock) __UNLOCK_IRQ(lock) 63 #define _read_unlock_irq(lock) __UNLOCK_IRQ(lock) 64 #define _write_unlock_irq(lock) __UNLOCK_IRQ(lock) 65 #define _spin_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) 66 #define _read_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) 67 #define _write_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) 68 69 #endif 70