46 lines
1.0 KiB
Plaintext
46 lines
1.0 KiB
Plaintext
typedef struct _Eina_Barrier Eina_Barrier;
|
|
|
|
struct _Eina_Barrier
|
|
{
|
|
int needed, called;
|
|
Eina_Lock cond_lock;
|
|
Eina_Condition cond;
|
|
};
|
|
|
|
static inline Eina_Bool
|
|
eina_barrier_new(Eina_Barrier *barrier, int needed)
|
|
{
|
|
barrier->needed = needed;
|
|
barrier->called = 0;
|
|
if (!eina_lock_new(&(barrier->cond_lock)))
|
|
return EINA_FALSE;
|
|
if (!eina_condition_new(&(barrier->cond), &(barrier->cond_lock)))
|
|
return EINA_FALSE;
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static inline void
|
|
eina_barrier_free(Eina_Barrier *barrier)
|
|
{
|
|
eina_condition_free(&(barrier->cond));
|
|
eina_lock_free(&(barrier->cond_lock));
|
|
barrier->needed = 0;
|
|
barrier->called = 0;
|
|
}
|
|
|
|
static inline Eina_Bool
|
|
eina_barrier_wait(Eina_Barrier *barrier)
|
|
{
|
|
eina_lock_take(&(barrier->cond_lock));
|
|
barrier->called++;
|
|
if (barrier->called == barrier->needed)
|
|
{
|
|
barrier->called = 0;
|
|
eina_condition_broadcast(&(barrier->cond));
|
|
}
|
|
else
|
|
eina_condition_wait(&(barrier->cond));
|
|
eina_lock_release(&(barrier->cond_lock));
|
|
return EINA_TRUE;
|
|
}
|