spinlock_up.h File Reference

#include <asm/processor.h>

Go to the source code of this file.

Macros
#define	arch_spin_is_locked(lock)   ((void)(lock), 0)
#define	arch_spin_lock(lock)   do { (void)(lock); } while (0)
#define	arch_spin_lock_flags(lock, flags)   do { (void)(lock); } while (0)
#define	arch_spin_unlock(lock)   do { (void)(lock); } while (0)
#define	arch_spin_trylock(lock)   ({ (void)(lock); 1; })
#define	arch_spin_is_contended(lock)   (((void)(lock), 0))
#define	arch_read_can_lock(lock)   (((void)(lock), 1))
#define	arch_write_can_lock(lock)   (((void)(lock), 1))
#define	arch_spin_unlock_wait(lock)   do { cpu_relax(); } while (arch_spin_is_locked(lock))

Macro Definition Documentation

#define arch_read_can_lock

(

lock

)

(((void)(lock), 1))

Definition at line 72 of file spinlock_up.h.

#define arch_spin_is_contended

(

lock

)

(((void)(lock), 0))

Definition at line 70 of file spinlock_up.h.

#define arch_spin_is_locked

(

lock

)

((void)(lock), 0)

Definition at line 62 of file spinlock_up.h.

#define arch_spin_lock

(

lock

)

do { (void)(lock); } while (0)

Definition at line 64 of file spinlock_up.h.

#define arch_spin_lock_flags	(		lock,
			flags
	)		do { (void)(lock); } while (0)

Definition at line 65 of file spinlock_up.h.

#define arch_spin_trylock

(

lock

)

({ (void)(lock); 1; })

Definition at line 67 of file spinlock_up.h.

#define arch_spin_unlock

(

lock

)

do { (void)(lock); } while (0)

Definition at line 66 of file spinlock_up.h.

#define arch_spin_unlock_wait

(

lock

)

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

Definition at line 75 of file spinlock_up.h.

#define arch_write_can_lock

(

lock

)

(((void)(lock), 1))

Definition at line 73 of file spinlock_up.h.