diff options
Diffstat (limited to 'libc/kernel/common/linux/spinlock_api_up.h')
-rw-r--r-- | libc/kernel/common/linux/spinlock_api_up.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libc/kernel/common/linux/spinlock_api_up.h b/libc/kernel/common/linux/spinlock_api_up.h new file mode 100644 index 0000000..c9a5c01 --- /dev/null +++ b/libc/kernel/common/linux/spinlock_api_up.h @@ -0,0 +1,69 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __LINUX_SPINLOCK_API_UP_H +#define __LINUX_SPINLOCK_API_UP_H + +#ifndef __LINUX_SPINLOCK_H +#error "please don't include this file directly" +#endif + +#define in_lock_functions(ADDR) 0 + +#define assert_spin_locked(lock) do { (void)(lock); } while (0) + +#define __LOCK(lock) do { preempt_disable(); __acquire(lock); (void)(lock); } while (0) + +#define __LOCK_BH(lock) do { local_bh_disable(); __LOCK(lock); } while (0) + +#define __LOCK_IRQ(lock) do { local_irq_disable(); __LOCK(lock); } while (0) + +#define __LOCK_IRQSAVE(lock, flags) do { local_irq_save(flags); __LOCK(lock); } while (0) + +#define __UNLOCK(lock) do { preempt_enable(); __release(lock); (void)(lock); } while (0) + +#define __UNLOCK_BH(lock) do { preempt_enable_no_resched(); local_bh_enable(); __release(lock); (void)(lock); } while (0) + +#define __UNLOCK_IRQ(lock) do { local_irq_enable(); __UNLOCK(lock); } while (0) + +#define __UNLOCK_IRQRESTORE(lock, flags) do { local_irq_restore(flags); __UNLOCK(lock); } while (0) + +#define _spin_lock(lock) __LOCK(lock) +#define _spin_lock_nested(lock, subclass) __LOCK(lock) +#define _read_lock(lock) __LOCK(lock) +#define _write_lock(lock) __LOCK(lock) +#define _spin_lock_bh(lock) __LOCK_BH(lock) +#define _read_lock_bh(lock) __LOCK_BH(lock) +#define _write_lock_bh(lock) __LOCK_BH(lock) +#define _spin_lock_irq(lock) __LOCK_IRQ(lock) +#define _read_lock_irq(lock) __LOCK_IRQ(lock) +#define _write_lock_irq(lock) __LOCK_IRQ(lock) +#define _spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _read_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _write_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _spin_trylock(lock) ({ __LOCK(lock); 1; }) +#define _read_trylock(lock) ({ __LOCK(lock); 1; }) +#define _write_trylock(lock) ({ __LOCK(lock); 1; }) +#define _spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; }) +#define _spin_unlock(lock) __UNLOCK(lock) +#define _read_unlock(lock) __UNLOCK(lock) +#define _write_unlock(lock) __UNLOCK(lock) +#define _spin_unlock_bh(lock) __UNLOCK_BH(lock) +#define _write_unlock_bh(lock) __UNLOCK_BH(lock) +#define _read_unlock_bh(lock) __UNLOCK_BH(lock) +#define _spin_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _read_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _write_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _spin_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) +#define _read_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) +#define _write_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) + +#endif |