int stream_control(stream_t *s, int cmd, void *arg){
if(!s->control) return STREAM_UNSUPPORTED;
#ifdef CONFIG_STREAM_CACHE
if (s->cache_pid)
return cache_do_control(s, cmd, arg);
#endif
return s->control(s, cmd, arg);
}
void cache_uninit(stream_t *s) {
cache_vars_t* c = s->cache_data;
if(s->cache_pid) {
#if !FORKED_CACHE
cache_do_control(s, -2, NULL);
#else
kill(s->cache_pid,SIGKILL);
waitpid(s->cache_pid,NULL,0);
#endif
s->cache_pid = 0;
}
if(!c) return;
shared_free(c->buffer, c->buffer_size);
c->buffer = NULL;
c->stream = NULL;
shared_free(s->cache_data, sizeof(cache_vars_t));
s->cache_data = NULL;
}
void cache_uninit(stream_t *s) {
cache_vars_t* c = s->cache_data;
if(!s->cache_pid) return;
#if defined(__MINGW32__) || defined(PTHREAD_CACHE) || defined(__OS2__)
cache_do_control(s, -2, NULL);
#else
kill(s->cache_pid,SIGKILL);
waitpid(s->cache_pid,NULL,0);
#endif
if(!c) return;
#if defined(__MINGW32__) || defined(PTHREAD_CACHE) || defined(__OS2__)
free(c->stream);
free(c->buffer);
free(s->cache_data);
#else
shmem_free(c->buffer,c->buffer_size);
shmem_free(s->cache_data,sizeof(cache_vars_t));
#endif
}