HYD_status HYDTI_bscd_ssh_store_launch_time(char *hostname)
{
int i, oldest, time_left;
struct timeval now;
struct HYDT_bscd_ssh_time *e;
HYD_status status = HYD_SUCCESS;
for (e = HYDT_bscd_ssh_time; e; e = e->next)
if (!strcmp(hostname, e->hostname))
break;
if (e == NULL) { /* Couldn't find an element for this host */
status = create_element(hostname, &e);
HYDU_ERR_POP(status, "unable to create ssh time element\n");
}
/* Search for an unset element to store the current time */
for (i = 0; i < HYDT_bscd_ssh_limit; i++) {
if (e->init_time[i].tv_sec == 0 && e->init_time[i].tv_usec == 0) {
gettimeofday(&e->init_time[i], NULL);
goto fn_exit;
}
}
/* No free element found; wait for the oldest element to turn
* older */
oldest = 0;
for (i = 0; i < HYDT_bscd_ssh_limit; i++)
if (older(e->init_time[i], e->init_time[oldest]))
oldest = i;
gettimeofday(&now, NULL);
time_left = HYDT_bscd_ssh_limit_time - now.tv_sec + e->init_time[oldest].tv_sec;
/* A better approach will be to make progress here, but that would
* mean that we need to deal with nested calls to the demux engine
* and process launches. */
if (time_left > 0) {
if (HYDT_bscd_ssh_warnings)
HYDU_dump(stdout, "WARNING: too many ssh connections to %s; waiting %d seconds\n",
hostname, time_left);
sleep(time_left);
}
/* Store the current time in the oldest element */
gettimeofday(&e->init_time[oldest], NULL);
fn_exit:
return status;
fn_fail:
goto fn_exit;
}
void GCTask::destruct() {
assert(older() == NULL, "shouldn't have an older task");
assert(newer() == NULL, "shouldn't have a newer task");
// Nothing to do.
}
void GCTask::print(const char* message) const {
tty->print(INTPTR_FORMAT " <- " INTPTR_FORMAT "(%u) -> " INTPTR_FORMAT,
p2i(newer()), p2i(this), affinity(), p2i(older()));
}
void GCTask::print(const char* message) const {
tty->print(INTPTR_FORMAT " <- " INTPTR_FORMAT "(%u) -> " INTPTR_FORMAT,
newer(), this, affinity(), older());
}
int main() {
derived2* p = new derived2;
older(p);
newer(p);
return 0;
}