PR_IMPLEMENT(void) PRP_DestroyNakedCondVar(PRCondVar *cvar)
{
PR_ASSERT(cvar->condQ.next == &cvar->condQ);
PR_ASSERT(_PR_NAKED_CV_LOCK == cvar->lock);
_PR_MD_FREE_LOCK(&(cvar->ilock));
PR_DELETE(cvar);
}
/*
** Destroy a condition variable. There must be no thread
** waiting on the condvar. The caller is responsible for guaranteeing
** that the condvar is no longer in use.
**
*/
PR_IMPLEMENT(void) PR_DestroyCondVar(PRCondVar *cvar)
{
PR_ASSERT(cvar->condQ.next == &cvar->condQ);
#ifdef _PR_GLOBAL_THREADS_ONLY
_PR_MD_FREE_CV(&cvar->md);
#endif
_PR_MD_FREE_LOCK(&(cvar->ilock));
PR_DELETE(cvar);
}
PR_IMPLEMENT(PRStatus) PR_DestroyWaitGroup(PRWaitGroup *group)
{
PRStatus rv = PR_SUCCESS;
if (NULL == group) group = mw_state->group;
PR_ASSERT(NULL != group);
if (NULL != group)
{
PR_Lock(group->ml);
if ((group->waiting_threads == 0)
&& (group->waiter->count == 0)
&& PR_CLIST_IS_EMPTY(&group->io_ready))
{
group->state = _prmw_stopped;
}
else
{
PR_SetError(PR_INVALID_STATE_ERROR, 0);
rv = PR_FAILURE;
}
PR_Unlock(group->ml);
if (PR_FAILURE == rv) return rv;
PR_Lock(mw_lock);
PR_REMOVE_LINK(&group->group_link);
PR_Unlock(mw_lock);
#ifdef WINNT
/*
* XXX make sure wait_list is empty and waiter is empty.
* These must be checked while holding mdlock.
*/
_PR_MD_FREE_LOCK(&group->mdlock);
#endif
PR_DELETE(group->waiter);
PR_DELETE(group->polling_list);
PR_DestroyCondVar(group->mw_manage);
PR_DestroyCondVar(group->new_business);
PR_DestroyCondVar(group->io_complete);
PR_DestroyCondVar(group->io_taken);
PR_DestroyLock(group->ml);
if (group == mw_state->group) mw_state->group = NULL;
PR_DELETE(group);
}
else
{
/* The default wait group is not created yet. */
PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
rv = PR_FAILURE;
}
return rv;
} /* PR_DestroyWaitGroup */
/*
** Destroy the given lock "lock". There is no point in making this race
** free because if some other thread has the pointer to this lock all
** bets are off.
*/
PR_IMPLEMENT(void) PR_DestroyLock(PRLock *lock)
{
PR_ASSERT(lock->owner == 0);
_PR_MD_FREE_LOCK(&lock->ilock);
PR_DELETE(lock);
}
void _PR_FreeLock(PRLock *lock)
{
PR_ASSERT(lock->owner == 0);
_PR_MD_FREE_LOCK(&lock->ilock);
}
