int has_imps2(int fd)
{
uint8 query = 0xF2;
purgefd(fd);
if(write(fd, &query, sizeof (query)) != sizeof(query))
return 0;
uint8 ch = 0;
fd_set fdset;
struct timeval tv;
while(1) {
FD_ZERO(&fdset);
FD_SET(fd, &fdset);
tv.tv_sec = 1;
tv.tv_usec = 0;
if(select(fd+1, &fdset, 0, 0, &tv) < 1) break;
if(read(fd, &ch, sizeof(ch)) != sizeof(ch)) break;
switch(ch) {
case 0xFA:
case 0xAA: continue;
case 3:
case 4: return 1;
default: return 0;
}
}
return 0;
}
void
filesrv::fhetimeout (void)
{
purgefhe ();
purgefd (0);
fhetmo = delaycb (fhe_timer, wrap (this, &filesrv::fhetimeout));
}
int set_imps2(int fd, int b)
{
uint8 set[] = {0xf3, 200, 0xf3, 100, 0xf3, 80};
uint8 reset[] = {0xff};
int retval = 0;
if(b && write(fd, &set, sizeof(set)) != sizeof(set))
return 0;
//SDL says not to reset, some mice wont work with it
if(!b && write(fd, &reset, sizeof (reset)) != sizeof(reset))
return 0;
purgefd(fd);
return 1;
}
int
filesrv::checkfd (void)
{
if (fd_n < fd_max)
return 1;
purgefd(1);
if (fd_n < fd_max) {
return 1;
} else {
warnx << "checkfd: ENFILE\n";
errno = ENFILE;
return 0;
}
}
