/** * Destroys a vmhost freeing all memory it uses. * * @param[in] v the VMHost to free */ void _v_free(VMHost *v) { _r_free(v->r); _s_free(v->installed_receptors); _t_free(_t_root(v->sem->stores[0].definitions)); _sem_free(v->sem); free(v); }
/** * clean shutdown of the the ceptr system * * should be called by the thread that called _a_boot() (or _a_start_vmhost()) */ void _a_shut_down() { // cleanly close down any processing in the VM_Host __r_kill(G_vm->r); _v_join_thread(&G_vm->clock_thread); _v_join_thread(&G_vm->vm_thread); char fn[1000]; // serialize the semtable __a_serializet(_t_root(G_vm->sem->stores[0].definitions),SEM_FN); int i; T *paths = _t_new_root(RECEPTOR_PATHS); for (i=0;i<G_vm->sem->contexts;i++) { // we don't need the path of the root so start at 1 int *p = _t_get_path(G_vm->sem->stores[i].definitions); if (p) { _t_new(paths,RECEPTOR_PATH,p,sizeof(int)*(_t_path_depth(p)+1)); free(p); } else _t_newr(paths,STRUCTURE_ANYTHING); // should be something like DELETED_CONTEXT } __a_serializet(paths,PATHS_FN); _t_free(paths); // serialize the receptor part of the vmhost void *surface; size_t length; _r_serialize(G_vm->r,&surface,&length); // _r_unserialize(surface); __a_vmfn(fn,G_vm->dir); writeFile(fn,surface,length); free(surface); // serialize other parts of the vmhost H h = _m_newr(null_H,SYS_STATE); H har = _m_newr(h,ACTIVE_RECEPTORS); for (i=0;i<G_vm->active_receptor_count;i++) { _m_new(har,RECEPTOR_XADDR,&G_vm->active_receptors[i].x,sizeof(Xaddr)); } S *s = _m_serialize(h.m); __a_vm_state_fn(fn,G_vm->dir); writeFile(fn,s,s->total_size); free(s); _m_free(h); // free the memory used by the SYS_RECEPTOR _v_free(G_vm); G_vm = NULL; }
void sys_free() { _t_free(_t_root(G_sem->stores[0].definitions)); _sem_free(G_sem); }
/** * Create a new ttree that is a copy of an mtree * * @param[in] h handle to source mtree * @returns handle to mtree */ T *_t_new_from_m(H h) { struct {T *t;} d = {NULL}; Maddr ac = {0,0}; _m_walk(h,_m_2tfn,&d); return _t_root(d.t); }