fifo fifo_new(size_t size)
{
fifo p;
assert(size > 0);
if ((p = malloc(sizeof *p)) == NULL)
return NULL;
if ((p->lock = wlock_new()) == NULL) {
free(p);
return NULL;
}
if ((p->pelem = calloc(size, sizeof *p->pelem)) == NULL) {
wlock_free(p->lock);
free(p);
return NULL;
}
p->size = size;
p->nelem = 0;
p->iwrite = p->iread = 0;
return p;
}
int main(void)
{
wlock w = wlock_new();
pthread_t wid, sid;
pthread_create(&wid, NULL, waiter, w);
sleep(1); /* Give the thread some time to call wlock_wait() before we signal */
pthread_create(&sid, NULL, signaler, w);
pthread_join(wid, NULL);
pthread_join(sid, NULL);
wlock_free(w);
return 0;
}
/*
wvctl_free_mouse_cbl_lock
Internal helper function to free mouse callback list lock.
*/
wstatus
wvctl_free_mouse_cbl_lock(void)
{
dbgprint(MOD_WVIEWCTL,__func__,"called");
dbgprint(MOD_WVIEWCTL,__func__,"freeing mouse callback list lock");
if( wlock_free(&mouse_cbl_lock) != WSTATUS_SUCCESS ) {
/* something went wrong with the free, program should abort ASAP.. */
dbgprint(MOD_WVIEWCTL,__func__,"unable to free mouse callback list lock");
DBGRET_FAILURE(MOD_WVIEWCTL);
}
DBGRET_SUCCESS(MOD_WVIEWCTL);
}
/*
wvctl_free_keyboard_cbl_lock
Internal helper function to free keyboard callback list lock.
*/
wstatus
wvctl_free_keyboard_cbl_lock(void)
{
dbgprint(MOD_WVIEWCTL,__func__,"called");
dbgprint(MOD_WVIEWCTL,__func__,"freeing keyboard callback list lock");
if( wlock_free(&keyboard_cbl_lock) != WSTATUS_SUCCESS ) {
/* something went wrong with the free, program should abort ASAP.. */
dbgprint(MOD_WVIEWCTL,__func__,"unable to free keyboard callback list lock");
DBGRET_FAILURE(MOD_WVIEWCTL);
}
dbgprint(MOD_WVIEWCTL,__func__,"keyboard callback list lock was freed successfully");
DBGRET_SUCCESS(MOD_WVIEWCTL);
}
void fifo_free(fifo p, dtor dtor_fn)
{
if (p == NULL)
return;
if (dtor_fn != NULL) {
size_t i;
for (i = 0; i < p->size; i++) {
if (p->pelem[i] != NULL)
dtor_fn(p->pelem[i]);
}
}
wlock_free(p->lock);
free(p->pelem);
free(p);
}
