static void
test_write_wantsignal(const char *testname, int sock1, int sock2)
{
if (shutdown(sock2, SHUT_WR) < 0)
err(-1, "%s: shutdown", testname);
signal_setup(testname);
test_write(testname, sock2);
if (!got_signal())
errx(-1, "%s: write: didn't receive SIGPIPE", testname);
close(sock1);
close(sock2);
}
void send_sync_char()
{
int i=0;
while(i>=0) {
device_t *d = get_n_device(DT_CHAR, i);
if(!d) break;
assert(d->ptr);
chardevice_t *cd = (chardevice_t *)d->ptr;
if(cd->ioctl)
cd->ioctl(0, -1, 0);
i++;
if(got_signal(current_task))
return;
}
}
static void
test_write_dontsignal(const char *testname, int sock1, int sock2)
{
int i;
i = 1;
if (setsockopt(sock2, SOL_SOCKET, SO_NOSIGPIPE, &i, sizeof(i)) < 0)
err(-1, "%s: setsockopt(SOL_SOCKET, SO_NOSIGPIPE)", testname);
if (shutdown(sock2, SHUT_WR) < 0)
err(-1, "%s: shutdown", testname);
signal_setup(testname);
test_write(testname, sock2);
if (got_signal())
errx(-1, "%s: write: got SIGPIPE", testname);
close(sock1);
close(sock2);
}
void sync_cache(cache_t *c)
{
if(!c->dirty || !c->sync) return;
accessed_cache(c);
printk(0, "[cache]: Cache '%s' is syncing\n", c->name);
volatile unsigned int num = c->dirty;
volatile unsigned int i=1;
struct ce_t *obj;
c->syncing=1;
while(c->dirty > 0)
{
rwlock_acquire(c->rwl, RWL_WRITER);
if(c->dirty == 0) {
c->syncing = 0;
rwlock_release(c->rwl, RWL_WRITER);
break;
}
assert(c->dirty_ll.head);
obj = c->dirty_ll.head->entry;
if(num < (c->dirty+i))
num=(c->dirty+i);
printk((kernel_state_flags & KSF_SHUTDOWN) ? 4 : 0, "\r[cache]: Syncing '%s': %d/%d (%d.%d%%)... "
,c->name, i, num, (i*100)/num, ((i*1000)/num) % 10);
do_sync_element(c, obj, 1);
rwlock_release(c->rwl, RWL_WRITER);
if(got_signal(current_task))
return;
i++;
}
c->syncing=0;
printk((kernel_state_flags & KSF_SHUTDOWN) ? 4 : 0, "\r[cache]: Syncing '%s': %d/%d (%d.%d%%)\n"
, c->name, num, num, 100, 0);
printk(0, "[cache]: Cache '%s' has sunk\n", c->name);
}