spinlock.h File Reference

#include <asm/spinlock_types.h>
#include <asm/processor.h>

Go to the source code of this file.

Macros
#define	arch_spin_is_locked(x)   ((x)->lock != 0)
#define	arch_spin_unlock_wait(lock)   do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
#define	arch_spin_lock_flags(lock, flags)   arch_spin_lock(lock)
#define	arch_write_can_lock(x)   ((x)->lock == 0)
#define	arch_read_can_lock(x)   ((x)->lock < 0x80000000)
#define	arch_read_lock_flags(lock, flags)   arch_read_lock(lock)
#define	arch_write_lock_flags(lock, flags)   arch_write_lock(lock)
#define	arch_spin_relax(lock)   cpu_relax()
#define	arch_read_relax(lock)   cpu_relax()
#define	arch_write_relax(lock)   cpu_relax()

Macro Definition Documentation

#define arch_read_can_lock

(

x

)

((x)->lock < 0x80000000)

Definition at line 193 of file spinlock.h.

#define arch_read_lock_flags	(		lock,
			flags
	)		arch_read_lock(lock)

Definition at line 195 of file spinlock.h.

#define arch_read_relax

(

lock

)

cpu_relax()

Definition at line 199 of file spinlock.h.

#define arch_spin_is_locked

(

x

)

((x)->lock != 0)

Definition at line 35 of file spinlock.h.

#define arch_spin_lock_flags	(		lock,
			flags
	)		arch_spin_lock(lock)

Definition at line 39 of file spinlock.h.

#define arch_spin_relax

(

lock

)

cpu_relax()

Definition at line 198 of file spinlock.h.

#define arch_spin_unlock_wait

(

lock

)

do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)

Definition at line 36 of file spinlock.h.

#define arch_write_can_lock

(

x

)

((x)->lock == 0)

Definition at line 130 of file spinlock.h.

#define arch_write_lock_flags	(		lock,
			flags
	)		arch_write_lock(lock)

Definition at line 196 of file spinlock.h.

#define arch_write_relax

(

lock

)

cpu_relax()

Definition at line 200 of file spinlock.h.