int pool_init_new(struct PagePool *pp, char *name, uint16_t page_size,
pageno_t pool_size, size_t cache_size) {
pooli_init(pp, name, page_size, pool_size, cache_size);
pp->fd = open(name, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
check(pp->fd != -1, "Can't open file '%s' for read/write", name);
check(preallocateFile(pp->fd, pool_size) != -1, "Can't preallocate file '%s'", name);
bitmask_init(pp);
return 0;
error:
exit(-1);
}
/**
* Initialise the polling system we are using for the gateway.
*
* In this case we are using the Linux epoll mechanism
*/
void
poll_init()
{
int i;
if (epoll_fd != -1)
return;
if ((epoll_fd = epoll_create(MAX_EVENTS)) == -1)
{
perror("epoll_create");
exit(-1);
}
memset(&pollStats, 0, sizeof(pollStats));
memset(&queueStats, 0, sizeof(queueStats));
bitmask_init(&poll_mask);
n_threads = config_threadcount();
if ((thread_data =
(THREAD_DATA *)malloc(n_threads * sizeof(THREAD_DATA))) != NULL)
{
for (i = 0; i < n_threads; i++)
{
thread_data[i].state = THREAD_STOPPED;
}
}
#if MUTEX_EPOLL
simple_mutex_init(&epoll_wait_mutex, "epoll_wait_mutex");
#endif
hktask_add("Load Average", poll_loadav, NULL, POLL_LOAD_FREQ);
n_avg_samples = 15 * 60 / POLL_LOAD_FREQ;
avg_samples = (double *)malloc(sizeof(double) * n_avg_samples);
for (i = 0; i < n_avg_samples; i++)
avg_samples[i] = 0.0;
evqp_samples = (int *)malloc(sizeof(int) * n_avg_samples);
for (i = 0; i < n_avg_samples; i++)
evqp_samples[i] = 0.0;
number_poll_spins = config_nbpolls();
max_poll_sleep = config_pollsleep();
#if PROFILE_POLL
plog = memlog_create("EventQueueWaitTime", ML_LONG, 10000);
#endif
}
