auto import from //depot/cupcake/@135843

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