void clean(pthread_mutex_t *mutex, pthread_cond_t *cond, pthread_mutex_t *mfinished, pthread_mutex_t *mbank,
pthread_mutex_t *mcur_run, pthread_mutex_t *mhb, pthread_mutex_t *mnr, struct horse *horses, int listenfd) {
_pthread_mutex_destroy(mcur_run);
_pthread_mutex_destroy(mhb);
_pthread_mutex_destroy(mnr);
free(horses);
}
int
_pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr)
{
pthread_rwlock_t prwlock;
int ret;
/* allocate rwlock object */
prwlock = (pthread_rwlock_t)malloc(sizeof(struct pthread_rwlock));
if (prwlock == NULL)
return(ENOMEM);
/* initialize the lock */
if ((ret = _pthread_mutex_init(&prwlock->lock, NULL)) != 0)
free(prwlock);
else {
/* initialize the read condition signal */
ret = _pthread_cond_init(&prwlock->read_signal, NULL);
if (ret != 0) {
_pthread_mutex_destroy(&prwlock->lock);
free(prwlock);
} else {
/* initialize the write condition signal */
ret = _pthread_cond_init(&prwlock->write_signal, NULL);
if (ret != 0) {
_pthread_cond_destroy(&prwlock->read_signal);
_pthread_mutex_destroy(&prwlock->lock);
free(prwlock);
} else {
/* success */
prwlock->state = 0;
prwlock->blocked_writers = 0;
*rwlock = prwlock;
}
}
}
return (ret);
}
int
_pthread_barrier_destroy(pthread_barrier_t *barrier)
{
pthread_barrier_t bar;
int ret, ret2;
if (barrier == NULL || *barrier == NULL)
return (EINVAL);
bar = *barrier;
if (bar->b_waiters > 0)
return (EBUSY);
*barrier = NULL;
ret = _pthread_mutex_destroy(&bar->b_lock);
ret2 = _pthread_cond_destroy(&bar->b_cond);
free(bar);
return (ret ? ret : ret2);
}
/*
* close a directory.
*/
int
fdclosedir(DIR *dirp)
{
int fd;
if (__isthreaded)
_pthread_mutex_lock(&dirp->dd_lock);
fd = dirp->dd_fd;
dirp->dd_fd = -1;
dirp->dd_loc = 0;
free((void *)dirp->dd_buf);
_reclaim_telldir(dirp);
if (__isthreaded) {
_pthread_mutex_unlock(&dirp->dd_lock);
_pthread_mutex_destroy(&dirp->dd_lock);
}
free((void *)dirp);
return (fd);
}
static sem_t
sem_alloc(unsigned int value, semid_t semid, int system_sem)
{
sem_t sem;
if (value > SEM_VALUE_MAX) {
errno = EINVAL;
return (NULL);
}
sem = (sem_t)malloc(sizeof(struct sem));
if (sem == NULL) {
errno = ENOSPC;
return (NULL);
}
/*
* Initialize the semaphore.
*/
if (_pthread_mutex_init(&sem->lock, NULL) != 0) {
free(sem);
errno = ENOSPC;
return (NULL);
}
if (_pthread_cond_init(&sem->gtzero, NULL) != 0) {
_pthread_mutex_destroy(&sem->lock);
free(sem);
errno = ENOSPC;
return (NULL);
}
sem->count = (u_int32_t)value;
sem->nwaiters = 0;
sem->magic = SEM_MAGIC;
sem->semid = semid;
sem->syssem = system_sem;
return (sem);
}
int
_pthread_rwlock_destroy (pthread_rwlock_t *rwlock)
{
int ret;
if (rwlock == NULL)
ret = EINVAL;
else {
pthread_rwlock_t prwlock;
prwlock = *rwlock;
_pthread_mutex_destroy(&prwlock->lock);
_pthread_cond_destroy(&prwlock->read_signal);
_pthread_cond_destroy(&prwlock->write_signal);
free(prwlock);
*rwlock = NULL;
ret = 0;
}
return (ret);
}
