DDEKit_synchronization

Functions
ddekit_condvar_t *	ddekit_condvar_init (void)
	Initialize conditional variable.
void	ddekit_condvar_deinit (ddekit_condvar_t *cvp)
	Uninitialize conditional variable.
void	ddekit_condvar_wait (ddekit_condvar_t *cvp, ddekit_lock_t *mp)
	Wait on a conditional variable.
int	ddekit_condvar_wait_timed (ddekit_condvar_t *cvp, ddekit_lock_t *mp, int timo)
	Wait on a conditional variable at most until a timeout expires.
void	ddekit_condvar_signal (ddekit_condvar_t *cvp)
	Send signal to the next one waiting for condvar.
void	ddekit_condvar_broadcast (ddekit_condvar_t *cvp)
	Send signal to all threads waiting for condvar.
void	_ddekit_lock_init (struct ddekit_lock **mtx)
	Initialize a DDEKit lock.
void	_ddekit_lock_deinit (struct ddekit_lock **mtx)
	Uninitialize a DDEKit lock.
void	_ddekit_lock_lock (struct ddekit_lock **mtx)
	Acquire a lock.
int	_ddekit_lock_try_lock (struct ddekit_lock **mtx)
	Acquire a lock, non-blocking.
void	_ddekit_lock_unlock (struct ddekit_lock **mtx)
	Unlock function.
int	_ddekit_lock_owner (struct ddekit_lock **mtx)
	Get lock owner.
ddekit_sem_t *	ddekit_sem_init (int value)
	Initialize DDEKit semaphore.
void	ddekit_sem_deinit (ddekit_sem_t *sem)
	Uninitialize semaphore.
int	ddekit_sem_down_try (ddekit_sem_t *sem)
	Semaphore down method, non-blocking.
int	ddekit_sem_down_timed (ddekit_sem_t *sem, int timo)
	Semaphore down with timeout.
void	ddekit_sem_up (ddekit_sem_t *sem)
	Semaphore up method.

---

Function Documentation

void _ddekit_lock_deinit

(

struct ddekit_lock **

mtx

)

Uninitialize a DDEKit lock.

Definition at line 18 of file lock.c.

void _ddekit_lock_init

(

struct ddekit_lock **

mtx

)

Initialize a DDEKit lock.

Definition at line 13 of file lock.c.

void _ddekit_lock_lock

(

struct ddekit_lock **

mtx

)

Acquire a lock.

Definition at line 23 of file lock.c.

int _ddekit_lock_owner

(

struct ddekit_lock **

mtx

)

Get lock owner.

Definition at line 59 of file lock.c.

int _ddekit_lock_try_lock

(

struct ddekit_lock **

mtx

)

Acquire a lock, non-blocking.

Definition at line 39 of file lock.c.

void _ddekit_lock_unlock

(

struct ddekit_lock **

mtx

)

Unlock function.

Definition at line 43 of file lock.c.

void ddekit_condvar_broadcast

(

ddekit_condvar_t *

cvp

)

Send signal to all threads waiting for condvar.

Definition at line 88 of file condvar.c.

void ddekit_condvar_deinit

(

ddekit_condvar_t *

cvp

)

Uninitialize conditional variable.

ddekit_condvar_t* ddekit_condvar_init

(

void

)

Initialize conditional variable.

Definition at line 23 of file condvar.c.

void ddekit_condvar_signal

(

ddekit_condvar_t *

cvp

)

Send signal to the next one waiting for condvar.

Definition at line 73 of file condvar.c.

void ddekit_condvar_wait	(	ddekit_condvar_t *	cvp,
		ddekit_lock_t *	mp
	)

Wait on a conditional variable.

Definition at line 37 of file condvar.c.

int ddekit_condvar_wait_timed	(	ddekit_condvar_t *	cvp,
		ddekit_lock_t *	mp,
		int	timo
	)

Wait on a conditional variable at most until a timeout expires.

Parameters:

	cvp	pointer to condvar
	mp	lock
	timo	timeout in ms

Returns:

0 success

!=0 timeout

Definition at line 41 of file condvar.c.

void ddekit_sem_deinit

(

ddekit_sem_t *

sem

)

Uninitialize semaphore.

Definition at line 19 of file semaphore.c.

int ddekit_sem_down_timed	(	ddekit_sem_t *	sem,
		int	timo
	)

Semaphore down with timeout.

Returns:

0 success

!=0 would block

Definition at line 38 of file semaphore.c.

int ddekit_sem_down_try

(

ddekit_sem_t *

sem

)

Semaphore down method, non-blocking.

Returns:

0 success

!=0 would block

Definition at line 33 of file semaphore.c.

ddekit_sem_t* ddekit_sem_init

(

int

value

)

Initialize DDEKit semaphore.

Parameters:

value

initial semaphore counter

Definition at line 10 of file semaphore.c.

void ddekit_sem_up

(

ddekit_sem_t *

sem

)

Semaphore up method.

Definition at line 42 of file semaphore.c.