spinlock_32.h File Reference

#include <linux/atomic.h>
#include <asm/page.h>
#include <linux/compiler.h>

Go to the source code of this file.

Macros
#define	TICKET_QUANTUM   2
#define	arch_spin_lock_flags(lock, flags)   arch_spin_lock(lock)
#define	_WR_NEXT_SHIFT   8
#define	_WR_CURR_SHIFT   16
#define	_WR_WIDTH   8
#define	_RD_COUNT_SHIFT   24
#define	_RD_COUNT_WIDTH   8
#define	arch_read_lock_flags(lock, flags)   arch_read_lock(lock)
#define	arch_write_lock_flags(lock, flags)   arch_write_lock(lock)

Functions
void	arch_spin_lock (arch_spinlock_t *lock)
int	arch_spin_trylock (arch_spinlock_t *lock)
void	arch_spin_unlock_wait (arch_spinlock_t *lock)
void	arch_read_lock (arch_rwlock_t *rwlock)
void	arch_write_lock (arch_rwlock_t *rwlock)
int	arch_read_trylock (arch_rwlock_t *rwlock)
int	arch_write_trylock (arch_rwlock_t *rwlock)
void	arch_read_unlock (arch_rwlock_t *rwlock)
void	arch_write_unlock (arch_rwlock_t *rwlock)

Macro Definition Documentation

#define _RD_COUNT_SHIFT   24

Definition at line 77 of file spinlock_32.h.

#define _RD_COUNT_WIDTH   8

Definition at line 78 of file spinlock_32.h.

#define _WR_CURR_SHIFT   16

Definition at line 75 of file spinlock_32.h.

#define _WR_NEXT_SHIFT   8

Definition at line 74 of file spinlock_32.h.

#define _WR_WIDTH   8

Definition at line 76 of file spinlock_32.h.

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

Definition at line 126 of file spinlock_32.h.

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

Definition at line 51 of file spinlock_32.h.

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

Definition at line 127 of file spinlock_32.h.

#define TICKET_QUANTUM   2

Definition at line 28 of file spinlock_32.h.

Function Documentation

void arch_read_lock

(

arch_rwlock_t *

rwlock

)

arch_read_lock() - acquire a read lock.

Definition at line 131 of file spinlock_32.c.

int arch_read_trylock ( arch_rwlock_t *  rwlock )

inline

arch_read_trylock() - try to acquire a read lock.

Definition at line 104 of file spinlock_32.c.

void arch_read_unlock

(

arch_rwlock_t *

rwlock

)

arch_read_unlock() - release a read lock.

Definition at line 139 of file spinlock_32.c.

void arch_spin_lock

(

arch_spinlock_t *

lock

)

Definition at line 22 of file spinlock_32.c.

int arch_spin_trylock

(

arch_spinlock_t *

lock

)

Definition at line 40 of file spinlock_32.c.

void arch_spin_unlock_wait

(

arch_spinlock_t *

lock

)

Definition at line 71 of file locks.c.

void arch_write_lock

(

arch_rwlock_t *

rwlock

)

arch_write_lock() - acquire a write lock.

Definition at line 163 of file spinlock_32.c.

int arch_write_trylock

(

arch_rwlock_t *

rwlock

)

arch_write_trylock() - try to acquire a write lock.

Definition at line 218 of file spinlock_32.c.

void arch_write_unlock

(

arch_rwlock_t *

rwlock

)

arch_write_unlock() - release a write lock.

Definition at line 238 of file spinlock_32.c.