static void init_phase_two(workqueue_t *wq) { int num; /* * We're going to continually merge the first two entries on the queue, * placing the result on the end, until there's nothing left to merge. * At that point, everything will have been merged into one. The * initial value of ninqueue needs to be equal to the total number of * entries that will show up on the queue, both at the start of the * phase and as generated by merges during the phase. */ wq->wq_ninqueue = num = fifo_len(wq->wq_donequeue); while (num != 1) { wq->wq_ninqueue += num / 2; num = num / 2 + num % 2; } /* * Move the done queue to the work queue. We won't be using the done * queue in phase 2. */ assert(fifo_len(wq->wq_queue) == 0); fifo_free(wq->wq_queue, NULL); wq->wq_queue = wq->wq_donequeue; }
static int handle_buffer(struct rev_server *revsrv, struct rev_client *cl) { struct FIFOBUF *inbuf = INBUF(cl); if (fifo_len(inbuf) < 3) return 0; /* not enough data */ int msg_size = *((uint16_t*)inbuf->data); int msg_id = *((uint8_t*)(inbuf->data+2)); ASSERT(msg_size <= MAX_MSG_SIZE, "invalid msg size") if (fifo_len(inbuf) < 3 + msg_size) return 0; /* not enough data */ /* skip size & id */ fifo_read(inbuf, NULL, 3); char buf[MAX_MSG_SIZE]; struct netmsg msg; msg.id = msg_id; msg.size = msg_size; msg.data = buf; //printf("got msg id %d size %d\n", msg_id, msg_size); /* read and handle message */ fifo_read(inbuf, buf, msg_size); ASSERT(handle_msg(revsrv, cl, &msg) == 0, "invalid msg"); if (fifo_len(inbuf) > 0) return 1; /* there is data left */ return 0; }
t_bool test_sym_prod( char const **str, size_t nb_prods, size_t nb_symbols, t_bool (*test)(t_prod **prod, t_symbol **syms, ...)) { t_prod **prods; t_symbol **syms; t_fifo *sym_lists[2]; t_bool result; sym_lists[0] = f_fifo_create(); sym_lists[1] = f_fifo_create(); f_fifo_add(sym_lists[1], create_symbol("END_OF_INPUT")); prods = parse_prods(str, nb_prods, sym_lists); syms = parse_symbols(str + nb_prods, nb_symbols, sym_lists); if (prods != NULL && syms != NULL && (fifo_len(sym_lists[0]) == 0 || compute_sets_all_syms(sym_lists[1], sym_lists[0]))) result = test(prods, syms, sym_lists[0], sym_lists[1], nb_prods, nb_symbols); else result = FALSE; destroy_prods(&prods, nb_prods); free(syms); f_fifo_destroy(&sym_lists[0], sym_del); f_fifo_destroy(&sym_lists[1], sym_del); return (result); }
/* * Main loop for worker threads. */ static void worker_thread(workqueue_t *wq) { worker_runphase1(wq); debug(2, "%d: entering first barrier\n", pthread_self()); if (barrier_wait(&wq->wq_bar1)) { debug(2, "%d: doing work in first barrier\n", pthread_self()); finalize_phase_one(wq); init_phase_two(wq); debug(2, "%d: ninqueue is %d, %d on queue\n", pthread_self(), wq->wq_ninqueue, fifo_len(wq->wq_queue)); } debug(2, "%d: entering second barrier\n", pthread_self()); (void) barrier_wait(&wq->wq_bar2); debug(2, "%d: phase 1 complete\n", pthread_self()); worker_runphase2(wq); }
/* * Retrieve 'len' bytes from the fifo, refilling if necessary. */ static int trace_fifo_get(struct thread_data *td, struct fifo *fifo, int fd, void *buf, unsigned int len) { if (fifo_len(fifo) < len) { int ret = refill_fifo(td, fifo, fd); if (ret < 0) return ret; } return fifo_get(fifo, buf, len); }
/* * Pass a tdata_t tree, built from an input file, off to the work queue for * consumption by worker threads. */ static int merge_ctf_cb(tdata_t *td, char *name, void *arg) { workqueue_t *wq = arg; debug(3, "Adding tdata %p for processing\n", (void *)td); pthread_mutex_lock(&wq->wq_queue_lock); while (fifo_len(wq->wq_queue) > wq->wq_ithrottle) { debug(2, "Throttling input (len = %d, throttle = %d)\n", fifo_len(wq->wq_queue), wq->wq_ithrottle); pthread_cond_wait(&wq->wq_work_removed, &wq->wq_queue_lock); } fifo_add(wq->wq_queue, td); debug(1, "Thread %d announcing %s\n", pthread_self(), name); pthread_cond_broadcast(&wq->wq_work_avail); pthread_mutex_unlock(&wq->wq_queue_lock); return (1); }
static void finalize_phase_one(workqueue_t *wq) { int startslot, i; /* * wip slots are cleared out only when maxbatchsz td's have been merged * into them. We're not guaranteed that the number of files we're * merging is a multiple of maxbatchsz, so there will be some partial * groups in the wip array. Move them to the done queue in batch ID * order, starting with the slot containing the next batch that would * have been placed on the done queue, followed by the others. * One thread will be doing this while the others wait at the barrier * back in worker_thread(), so we don't need to worry about pesky things * like locks. */ for (startslot = -1, i = 0; i < wq->wq_nwipslots; i++) { if (wq->wq_wip[i].wip_batchid == wq->wq_lastdonebatch + 1) { startslot = i; break; } } assert(startslot != -1); for (i = startslot; i < startslot + wq->wq_nwipslots; i++) { int slotnum = i % wq->wq_nwipslots; wip_t *wipslot = &wq->wq_wip[slotnum]; if (wipslot->wip_td != NULL) { debug(2, "clearing slot %d (%d) (saving %d)\n", slotnum, i, wipslot->wip_nmerged); } else debug(2, "clearing slot %d (%d)\n", slotnum, i); if (wipslot->wip_td != NULL) { fifo_add(wq->wq_donequeue, wipslot->wip_td); wq->wq_wip[slotnum].wip_td = NULL; } } wq->wq_lastdonebatch = wq->wq_next_batchid++; debug(2, "phase one done: donequeue has %d items\n", fifo_len(wq->wq_donequeue)); }
ICACHE_FLASH_ATTR void netout_flush(struct netclient *netclient) { char *p; unsigned int l; sint8 rc; if (fifo_len(&netclient->fifo_net) == 0) return; if (netclient->fifo_net_sending == 0) { netclient->fifo_net_sending = 1; p = fifo_getbulk(&netclient->fifo_net, &l); rc = espconn_sent(netclient->espconn, p, l); if (rc != ESPCONN_OK) { syslog_send(LOG_DAEMON|LOG_DEBUG, "telnet: espconn_sent: error %d", rc); espconn_disconnect(netclient->espconn); } } }
int main(int argc, char **argv) { int c; int inflag = 0; int dbg = 0; int sr_ds = 200; char * rec_name = "vfdb/427"; char * db_path = "/opt/physiobank/database"; size_t win_sec = 8; /* r stands for record with folder * p for path * i for information of record * s downsample sr * w window length default:8 * d debug */ while ((c = getopt(argc, argv, "idr:p:s:w:")) != -1) switch (c){ case 'i': inflag = 1; break; case 'r': rec_name = optarg; break; case 'p': db_path = optarg; break; case 's': sr_ds= atoi(optarg); break; case'w': win_sec = atoi(optarg); break; case'd': dbg = 1; break; default: abort(); } int i, j, nsig; WFDB_Sample *v; WFDB_Siginfo *s; WFDB_Anninfo a; setwfdb(db_path); nsig = isigopen(rec_name, NULL, 0); if (nsig < 1){ printf("nsig:%d\n",nsig); exit(1); } s = (WFDB_Siginfo *)malloc(nsig * sizeof(WFDB_Siginfo)); if (isigopen(rec_name, s, nsig) != nsig) exit(1); v = (WFDB_Sample *)malloc(nsig * sizeof(WFDB_Sample)); int orig_sr = sampfreq(rec_name); a.name = "atr"; a.stat = WFDB_READ; if (wfdbinit(rec_name, &a, 1, s, nsig) != nsig) exit(3); if(1 == inflag ){ printf("sr:%d\n",orig_sr); printf("%d signals\n", nsig); for (i = 0; i < nsig; i++) { printf("Group %d, Signal %d:\n", s[i].group, i); printf("File: %s\n", s[i].fname); printf("Description: %s\n", s[i].desc); printf("Gain: "); if (s[i].gain == 0.) printf("uncalibrated; assume %g", WFDB_DEFGAIN); else printf("%g", s[i].gain); printf(" adu/%s\n", s[i].units ? s[i].units : "mV"); printf(" Initial value: %d\n", s[i].initval); printf(" Storage format: %d\n", s[i].fmt); printf(" I/O: "); if (s[i].bsize == 0) printf("can be unbuffered\n"); else printf("%d-byte blocks\n", s[i].bsize); printf(" ADC resolution: %d bits\n", s[i].adcres); printf(" ADC zero: %d\n", s[i].adczero); if (s[i].nsamp > 0L) { printf(" Length: %s (%ld sample intervals)\n", timstr(s[i].nsamp), s[i].nsamp); printf(" Checksum: %d\n", s[i].cksum); } else printf(" Length undefined\n"); } } fifo_t fifo_ecg; int fifo_ecg_buf[FIFO_SIZE]; fifo_init(&fifo_ecg, fifo_ecg_buf, FIFO_SIZE); fifo_t fifo_bt; int fifo_bt_buf[FIFO_SIZE]; fifo_init(&fifo_bt, fifo_bt_buf, FIFO_SIZE); int tmp = 0; int sr = 200; WFDB_Time begin_samp = 0; WFDB_Time end_samp = orig_sr*win_sec; WFDB_Annotation begin_ann; WFDB_Annotation end_ann; getann(0, &begin_ann); while(0 == getann(0, &end_ann)) if ((end_ann.aux != NULL && *end_ann.aux > 0) ||0 == strcmp(annstr(end_ann.anntyp), "[") ||0 == strcmp(annstr(end_ann.anntyp), "]") ||0 == strcmp(annstr(end_ann.anntyp), "~") ){ break; } int * pBt_len = (int*)calloc(win_sec,sizeof(int)); ResetBDAC(); for (; ;) { if (getvec(v) < 0) break; // for (j = 0; j < nsig; j++){ // } tmp = v[nsig-1]; tmp = v[0]; int vout1 = 0; static int bt_i = 0; static unsigned int samplecnt = 0; int idx = 0; if(down_sample(tmp, &vout1, orig_sr, sr)) { samplecnt ++; fifo_write(&fifo_ecg, &vout1, 1*sizeof(int)); int beatType, beatMatch; long ltmp = vout1-s[0].adczero; ltmp *= 200; ltmp /= s[0].gain; int bdac_dly = BeatDetectAndClassify(ltmp, &beatType, &beatMatch); idx = bt_i/sr; if (0 != bdac_dly ) { pBt_len[idx]++; fifo_write(&fifo_bt, &beatType, sizeof(int)); } bt_i = ++bt_i%(win_sec*sr); } double cm = 0.0; int size = win_sec*sr; if(fifo_len(&fifo_ecg)/sizeof(int) >= sr*win_sec){ int * win_data = (int*)malloc(win_sec*sr*sizeof(int)); int * ds_data = (int*)malloc(win_sec*sr_ds*sizeof(int)); int len = fifo_len(&fifo_bt)/sizeof(int); int * p = (int*)calloc(len, sizeof(int)); if (0 != len){ //printf("bt_i:%d\n", bt_i); fifo_read_steps(&fifo_bt, p, len*sizeof(int), pBt_len[bt_i/sr]*sizeof(int)); //for (i = 0;i< len;i++) printf("%d ", p[i]); //printf("\n"); } pBt_len[bt_i/sr] = 0; fifo_read_steps(&fifo_ecg, win_data, size*sizeof(int), sr*sizeof(int)); filtering(win_data, size, sr); int i = 0; int ds_size = 0; int vout; for(i = 0;i < size;i++){ // if(down_sample(win_data[i], &vout, sr, sr_ds)) ds_data[ds_size++] = vout; } double dven = 0.0; if (0 != len){ int tmp_cnt = 0; for(i = 0; i < len ; i++){ if(5 == p[i]) dven ++; } //printf("div:%d %d\n", tmp_cnt, len); dven /= len; } //cm = ecg_complexity_measure(win_data, size); //cm = ecg_complexity_measure(ds_data, ds_size); //cm = cpsd(ds_data, ds_size, 0.5*sr_ds); //cm = calc_grid(ds_data, ds_size, 0.5*sr_ds); cm = calc_grid(win_data, size, 0.5*sr); if (-1 == cm ) continue; //VT print 1; //VF print 2; int hr = (int)((double)(len*60)/win_sec+0.5); int ret = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(VT"); if (1 == ret){ printf("%d %lf %lf %d\n", 1, cm, dven, hr); } else if (0 == ret) { ret = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(VFL"); int ret2 = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "["); if (1 == ret || 1 == ret2){ printf("%d %lf %lf %d\n", 2, cm, dven, hr); } else if (0 == ret){ // ret = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(N"); // int ret3 = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "N"); // if ((1 == ret || 1 == ret3) && -1 != begin_ann.subtyp) printf ("%d %lf %lf %d\n", 0, cm, dven, hr); if (1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(AFIB") || 1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(AFL") || 1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(IVR") || 1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(SVTA") || 1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(SBR") || 1 == check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(BII") ) printf ("%d %lf %lf %d\n", 0, cm, dven, hr); // int ret = check_ann(begin_samp, end_samp, &begin_ann, &end_ann, "(SVTA"); // if (1 == ret) printf ("%d %lf\n", 0, cm); } } //iannsettime(begin_samp); begin_samp += orig_sr; end_samp += orig_sr; if(end_ann.time < begin_samp){ begin_ann = end_ann; while(1) if (0 != getann(0, &end_ann)){ end_ann = begin_ann; /*the last sample of the signal*/ end_ann.time = s[nsig-1].nsamp; break; }else if ((end_ann.aux != NULL && *end_ann.aux > 0) ||0 == strcmp(annstr(end_ann.anntyp), "[") ||0 == strcmp(annstr(end_ann.anntyp), "]") ||0 == strcmp(annstr(end_ann.anntyp), "~") ){ break; } if(dbg){ printf("begin tm:%s type:%s ", mstimstr(begin_ann.time), annstr(begin_ann.anntyp)); if(begin_ann.aux != NULL) printf("begin aux:%s", begin_ann.aux+1); printf("\n"); printf("end tm:%s type:%s ", mstimstr(end_ann.time), annstr(end_ann.anntyp)); if (end_ann.aux != NULL) printf("end aux:%s", end_ann.aux+1); printf("\n"); printf("begin sample:%s\n", mstimstr(begin_samp)); printf("ann diff:%s\n", mstimstr(end_ann.time-begin_ann.time)); } } free(p); free(ds_data); free(win_data); } } free(pBt_len); wfdbquit(); return 0; }
int main(int argc, char **argv) { tdata_t *mstrtd, *savetd; char *uniqfile = NULL, *uniqlabel = NULL; char *withfile = NULL; char *label = NULL; char **ifiles, **tifiles; int verbose = 0, docopy = 0; int write_fuzzy_match = 0; int require_ctf = 0; int nifiles, nielems; int c, i, idx, tidx, err; progname = basename(argv[0]); if (getenv("CTFMERGE_DEBUG_LEVEL")) debug_level = atoi(getenv("CTFMERGE_DEBUG_LEVEL")); err = 0; while ((c = getopt(argc, argv, ":cd:D:fl:L:o:tvw:s")) != EOF) { switch (c) { case 'c': docopy = 1; break; case 'd': /* Uniquify against `uniqfile' */ uniqfile = optarg; break; case 'D': /* Uniquify against label `uniqlabel' in `uniqfile' */ uniqlabel = optarg; break; case 'f': write_fuzzy_match = CTF_FUZZY_MATCH; break; case 'l': /* Label merged types with `label' */ label = optarg; break; case 'L': /* Label merged types with getenv(`label`) */ if ((label = getenv(optarg)) == NULL) label = CTF_DEFAULT_LABEL; break; case 'o': /* Place merged types in CTF section in `outfile' */ outfile = optarg; break; case 't': /* Insist *all* object files built from C have CTF */ require_ctf = 1; break; case 'v': /* More debugging information */ verbose = 1; break; case 'w': /* Additive merge with data from `withfile' */ withfile = optarg; break; case 's': /* use the dynsym rather than the symtab */ dynsym = CTF_USE_DYNSYM; break; default: usage(); exit(2); } } /* Validate arguments */ if (docopy) { if (uniqfile != NULL || uniqlabel != NULL || label != NULL || outfile != NULL || withfile != NULL || dynsym != 0) err++; if (argc - optind != 2) err++; } else { if (uniqfile != NULL && withfile != NULL) err++; if (uniqlabel != NULL && uniqfile == NULL) err++; if (outfile == NULL || label == NULL) err++; if (argc - optind == 0) err++; } if (err) { usage(); exit(2); } if (uniqfile && access(uniqfile, R_OK) != 0) { warning("Uniquification file %s couldn't be opened and " "will be ignored.\n", uniqfile); uniqfile = NULL; } if (withfile && access(withfile, R_OK) != 0) { warning("With file %s couldn't be opened and will be " "ignored.\n", withfile); withfile = NULL; } if (outfile && access(outfile, R_OK|W_OK) != 0) terminate("Cannot open output file %s for r/w", outfile); /* * This is ugly, but we don't want to have to have a separate tool * (yet) just for copying an ELF section with our specific requirements, * so we shoe-horn a copier into ctfmerge. */ if (docopy) { copy_ctf_data(argv[optind], argv[optind + 1]); exit(0); } set_terminate_cleanup(terminate_cleanup); /* Sort the input files and strip out duplicates */ nifiles = argc - optind; ifiles = xmalloc(sizeof (char *) * nifiles); tifiles = xmalloc(sizeof (char *) * nifiles); for (i = 0; i < nifiles; i++) tifiles[i] = argv[optind + i]; qsort(tifiles, nifiles, sizeof (char *), (int (*)())strcompare); ifiles[0] = tifiles[0]; for (idx = 0, tidx = 1; tidx < nifiles; tidx++) { if (strcmp(ifiles[idx], tifiles[tidx]) != 0) ifiles[++idx] = tifiles[tidx]; } nifiles = idx + 1; /* Make sure they all exist */ if ((nielems = count_files(ifiles, nifiles)) < 0) terminate("Some input files were inaccessible\n"); /* Prepare for the merge */ wq_init(&wq, nielems); start_threads(&wq); /* * Start the merge * * We're reading everything from each of the object files, so we * don't need to specify labels. */ if (read_ctf(ifiles, nifiles, NULL, merge_ctf_cb, &wq, require_ctf) == 0) { /* * If we're verifying that C files have CTF, it's safe to * assume that in this case, we're building only from assembly * inputs. */ if (require_ctf) exit(0); terminate("No ctf sections found to merge\n"); } pthread_mutex_lock(&wq.wq_queue_lock); wq.wq_nomorefiles = 1; pthread_cond_broadcast(&wq.wq_work_avail); pthread_mutex_unlock(&wq.wq_queue_lock); pthread_mutex_lock(&wq.wq_queue_lock); while (wq.wq_alldone == 0) pthread_cond_wait(&wq.wq_alldone_cv, &wq.wq_queue_lock); pthread_mutex_unlock(&wq.wq_queue_lock); join_threads(&wq); /* * All requested files have been merged, with the resulting tree in * mstrtd. savetd is the tree that will be placed into the output file. * * Regardless of whether we're doing a normal uniquification or an * additive merge, we need a type tree that has been uniquified * against uniqfile or withfile, as appropriate. * * If we're doing a uniquification, we stuff the resulting tree into * outfile. Otherwise, we add the tree to the tree already in withfile. */ assert(fifo_len(wq.wq_queue) == 1); mstrtd = fifo_remove(wq.wq_queue); if (verbose || debug_level) { debug(2, "Statistics for td %p\n", (void *)mstrtd); iidesc_stats(mstrtd->td_iihash); } if (uniqfile != NULL || withfile != NULL) { char *reffile, *reflabel = NULL; tdata_t *reftd; if (uniqfile != NULL) { reffile = uniqfile; reflabel = uniqlabel; } else reffile = withfile; if (read_ctf(&reffile, 1, reflabel, read_ctf_save_cb, &reftd, require_ctf) == 0) { terminate("No CTF data found in reference file %s\n", reffile); } savetd = tdata_new(); if (CTF_TYPE_ISCHILD(reftd->td_nextid)) terminate("No room for additional types in master\n"); savetd->td_nextid = withfile ? reftd->td_nextid : CTF_INDEX_TO_TYPE(1, TRUE); merge_into_master(mstrtd, reftd, savetd, 0); tdata_label_add(savetd, label, CTF_LABEL_LASTIDX); if (withfile) { /* * savetd holds the new data to be added to the withfile */ tdata_t *withtd = reftd; tdata_merge(withtd, savetd); savetd = withtd; } else { char uniqname[MAXPATHLEN]; labelent_t *parle; parle = tdata_label_top(reftd); savetd->td_parlabel = xstrdup(parle->le_name); strncpy(uniqname, reffile, sizeof (uniqname)); uniqname[MAXPATHLEN - 1] = '\0'; savetd->td_parname = xstrdup(basename(uniqname)); } } else { /* * No post processing. Write the merged tree as-is into the * output file. */ tdata_label_free(mstrtd); tdata_label_add(mstrtd, label, CTF_LABEL_LASTIDX); savetd = mstrtd; } tmpname = mktmpname(outfile, ".ctf"); write_ctf(savetd, outfile, tmpname, CTF_COMPRESS | write_fuzzy_match | dynsym); if (rename(tmpname, outfile) != 0) terminate("Couldn't rename output temp file %s", tmpname); free(tmpname); return (0); }
static void worker_runphase2(workqueue_t *wq) { tdata_t *pow1, *pow2; int batchid; for (;;) { pthread_mutex_lock(&wq->wq_queue_lock); if (wq->wq_ninqueue == 1) { pthread_cond_broadcast(&wq->wq_work_avail); pthread_mutex_unlock(&wq->wq_queue_lock); debug(2, "%d: entering p2 completion barrier\n", pthread_self()); if (barrier_wait(&wq->wq_bar1)) { pthread_mutex_lock(&wq->wq_queue_lock); wq->wq_alldone = 1; pthread_cond_signal(&wq->wq_alldone_cv); pthread_mutex_unlock(&wq->wq_queue_lock); } return; } if (fifo_len(wq->wq_queue) < 2) { pthread_cond_wait(&wq->wq_work_avail, &wq->wq_queue_lock); pthread_mutex_unlock(&wq->wq_queue_lock); continue; } /* there's work to be done! */ pow1 = fifo_remove(wq->wq_queue); pow2 = fifo_remove(wq->wq_queue); wq->wq_ninqueue -= 2; batchid = wq->wq_next_batchid++; pthread_mutex_unlock(&wq->wq_queue_lock); debug(2, "%d: merging %p into %p\n", pthread_self(), (void *)pow1, (void *)pow2); merge_into_master(pow1, pow2, NULL, 0); tdata_free(pow1); /* * merging is complete. place at the tail of the queue in * proper order. */ pthread_mutex_lock(&wq->wq_queue_lock); while (wq->wq_lastdonebatch + 1 != batchid) { pthread_cond_wait(&wq->wq_done_cv, &wq->wq_queue_lock); } wq->wq_lastdonebatch = batchid; fifo_add(wq->wq_queue, pow2); debug(2, "%d: added %p to queue, len now %d, ninqueue %d\n", pthread_self(), (void *)pow2, fifo_len(wq->wq_queue), wq->wq_ninqueue); pthread_cond_broadcast(&wq->wq_done_cv); pthread_cond_signal(&wq->wq_work_avail); pthread_mutex_unlock(&wq->wq_queue_lock); } }
/** * fifo_is_full - returns true if the fifo is full * @fifo: address of the fifo to be used */ int fifo_is_full(fifo_t * fifo) { return fifo_len(fifo) > fifo->mask; }