int main()
{
boost::signal2<void, int, int> sig;
sig.connect(print_sum());
sig.connect(print_product());
sig(3, 5);
boost::signals::connection print_diff_con = sig.connect(print_difference());
// sig is still connected to print_diff_con
assert(print_diff_con.connected());
sig(5, 3); // prints 8, 15, and 2
print_diff_con.disconnect(); // disconnect the print_difference slot
sig(5, 3); // now prints 8 and 15, but not the difference
assert(!print_diff_con.connected()); // not connected any more
{
boost::signals::scoped_connection c = sig.connect(print_quotient());
sig(5, 3); // prints 8, 15, and 1
} // c falls out of scope, so sig and print_quotient are disconnected
sig(5, 3); // prints 8 and 15
return 0;
}
void list_products_interf(){
int index = list_products();
if(index > 0 && index < amount){
//if index = -1 then user aborted
print_product(good[index]);
}
}
int edit_product(int index)
{
//show product
print_product(good[index]);
struct goods tmp = good[index];
int q = ask_question_char("\nVad vill du redigera?\n[N]amn\n[B]eskrivning\n[P]ris\n[L]agerhylla\nAn[t]al\n\n[a]vbryt","NBPLta");
switch (q)
{
case 'N':
printf("Nuvarande namn:%s\n", good[index].name);
char *new_name = ask_question_string("Nytt namn:",100);
free(good[index].name);
good[index].name = new_name;
break;
case 'B':
printf("Nuvarande beskrivning:%s\n", good[index].desc);
char *new_desc = ask_question_string("Ny beskrivning:",100);
free(good[index].desc);
good[index].desc = new_desc;
break;
case 'P':
printf("Nuvarande pris:%d\n", good[index].price);
int new_price = ask_question_int("Nytt pris:");
good[index].price = new_price;
break;
case 'L':
printf("Nuvarande lagerhylla:%s\n", good[index].place);
char *new_place = ask_for_place("Ny lagerhylla:");
free(good[index].place);
good[index].place = new_place;
break;
case 't':
printf("Nuvarande antal:%d\n", good[index].count);
int new_count = ask_question_int("Nytt antal:");
good[index].count = new_count;
break;
case 'a':
break;
default:
edit_product(index);
break;
}
undo.copy = tmp;
undo.merch = &good[index];
undo.type = 3;
return 0;
}
void remove_product_interf()
{
puts("Ta bort en vara");
puts("Välj en vara att ta bort:");
int i = list_products();
if(i > 0 && i < amount){
print_product(good[i]);
char q = ask_question_char("Ta bort varan? [J]a,[N]ej","JN");
if(q == 'J'){
remove_product(i);
}
}
}
int main()
{
boost::signal2<void, int, int> sig;
sig.connect(print_sum());
sig.connect(print_product());
sig(3, 5);
boost::signals::connection print_diff_con = sig.connect(print_difference());
// sig is still connected to print_diff_con
assert(print_diff_con.connected());
sig(5, 3); // prints 8, 15, and 2
print_diff_con.disconnect(); // disconnect the print_difference slot
sig(5, 3); // now prints 8 and 15, but not the difference
assert(!print_diff_con.connected()); // not connected any more
return 0;
}
/*
* Scan SCSI busses to detect any devices
* that we want to supply to the Amgia.
*
* Based on code from cdrecord
*/
static int scanscsi (SCSI *scgp)
{
int bus;
int tgt;
int lun = 0;
int initiator;
int have_tgt;
int n;
scgp->silent++;
for (bus = 0; bus < 16; bus++) {
scg_settarget (scgp, bus, 0, 0);
if (!scg_havebus (scgp, bus))
continue;
initiator = scg_initiator_id (scgp);
write_log ("scsibus%d:\n", bus);
for (tgt = 0; tgt < 16; tgt++) {
n = bus * 100 + tgt;
scg_settarget (scgp, bus, tgt, lun);
have_tgt = unit_ready (scgp) || scgp->scmd->error != SCG_FATAL;
if (!have_tgt && tgt > 7) {
if (scgp->scmd->ux_errno == EINVAL)
break;
continue;
}
write_log (" %d,%d,%d %d ", bus, tgt, lun, n);
if (tgt == initiator) {
write_log ("HOST ADAPTOR\n");
continue;
}
if (!have_tgt) {
/* Hack: fd -> -2 means no access */
write_log ( "%c\n", scgp->fd == -2 ? '?':'*');
continue;
}
if ((scgp->scmd->error < SCG_FATAL)
|| (scgp->scmd->scb.chk && scgp->scmd->sense_count > 0)) {
struct scsi_inquiry *inq = scgp->inq;
inquiry (scgp, inq, sizeof (*inq));
print_product (inq);
/* Just CD/DVD drives for now */
if (inq->type == INQ_ROMD)
add_drive (scgp);
}
write_log ("\n");
}
}
scgp->silent--;
return 0;
}
