rwsem.c File Reference

#include <linux/rwsem.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/export.h>

Go to the source code of this file.

Data Structures
struct	rwsem_waiter

Macros
#define	RWSEM_WAITING_FOR_READ   0x00000001
#define	RWSEM_WAITING_FOR_WRITE   0x00000002
#define	RWSEM_WAKE_ANY   0 /* Wake whatever's at head of wait list */
#define	RWSEM_WAKE_NO_ACTIVE   1 /* rwsem was observed with no active thread */
#define	RWSEM_WAKE_READ_OWNED   2 /* rwsem was observed to be read owned */

Functions
void	__init_rwsem (struct rw_semaphore *sem, const char *name, struct lock_class_key *key)
	EXPORT_SYMBOL (__init_rwsem)
struct rw_semaphore __sched *	rwsem_down_read_failed (struct rw_semaphore *sem)
struct rw_semaphore __sched *	rwsem_down_write_failed (struct rw_semaphore *sem)
struct rw_semaphore *	rwsem_wake (struct rw_semaphore *sem)
struct rw_semaphore *	rwsem_downgrade_wake (struct rw_semaphore *sem)
	EXPORT_SYMBOL (rwsem_down_read_failed)
	EXPORT_SYMBOL (rwsem_down_write_failed)
	EXPORT_SYMBOL (rwsem_wake)
	EXPORT_SYMBOL (rwsem_downgrade_wake)

Macro Definition Documentation

#define RWSEM_WAITING_FOR_READ   0x00000001

Definition at line 35 of file rwsem.c.

#define RWSEM_WAITING_FOR_WRITE   0x00000002

Definition at line 36 of file rwsem.c.

#define RWSEM_WAKE_ANY   0 /* Wake whatever's at head of wait list */

Definition at line 43 of file rwsem.c.

#define RWSEM_WAKE_NO_ACTIVE   1 /* rwsem was observed with no active thread */

Definition at line 44 of file rwsem.c.

#define RWSEM_WAKE_READ_OWNED   2 /* rwsem was observed to be read owned */

Definition at line 45 of file rwsem.c.

Function Documentation

void __init_rwsem	(	struct rw_semaphore *	sem,
		const char *	name,
		struct lock_class_key *	key
	)

Definition at line 14 of file rwsem.c.

EXPORT_SYMBOL

(

__init_rwsem

)

EXPORT_SYMBOL

(

rwsem_down_read_failed

)

EXPORT_SYMBOL

(

rwsem_down_write_failed

)

EXPORT_SYMBOL

(

rwsem_wake

)

EXPORT_SYMBOL

(

rwsem_downgrade_wake

)

struct rw_semaphore __sched* rwsem_down_read_failed ( struct rw_semaphore *  sem )

read

Definition at line 225 of file rwsem.c.

struct rw_semaphore __sched* rwsem_down_write_failed ( struct rw_semaphore *  sem )

read

Definition at line 234 of file rwsem.c.

struct rw_semaphore* rwsem_downgrade_wake ( struct rw_semaphore *  sem )

read

Definition at line 264 of file rwsem.c.

struct rw_semaphore* rwsem_wake ( struct rw_semaphore *  sem )

read

Definition at line 244 of file rwsem.c.