rwlock.h File Reference

#include <stdint.h>
#include <starpu.h>

Go to the source code of this file.

Data Structures
struct	_starpu_rw_lock

Functions
void	_starpu_init_rw_lock (struct _starpu_rw_lock *lock)
void	_starpu_take_rw_lock_write (struct _starpu_rw_lock *lock)
void	_starpu_take_rw_lock_read (struct _starpu_rw_lock *lock)
int	_starpu_take_rw_lock_write_try (struct _starpu_rw_lock *lock)
int	_starpu_take_rw_lock_read_try (struct _starpu_rw_lock *lock)
void	_starpu_release_rw_lock (struct _starpu_rw_lock *lock)

---

Data Structure Documentation

struct _starpu_rw_lock

Dummy implementation of a RW-lock using a spinlock.

Data Fields
uint32_t	busy
uint8_t	writer
uint16_t	readercnt

Function Documentation

void _starpu_init_rw_lock

(

struct _starpu_rw_lock *

lock

)

Initialize the RW-lock

void _starpu_take_rw_lock_write

(

struct _starpu_rw_lock *

lock

)

Grab the RW-lock in a write mode

void _starpu_take_rw_lock_read

(

struct _starpu_rw_lock *

lock

)

Grab the RW-lock in a read mode

int _starpu_take_rw_lock_write_try

(

struct _starpu_rw_lock *

lock

)

Try to grab the RW-lock in a write mode. Returns 0 in case of success, -1 otherwise.

int _starpu_take_rw_lock_read_try

(

struct _starpu_rw_lock *

lock

)

Try to grab the RW-lock in a read mode. Returns 0 in case of success, -1 otherwise.

void _starpu_release_rw_lock

(

struct _starpu_rw_lock *

lock

)

Unlock the RW-lock.