int eloop_cancel_timeout_one(eloop_timeout_handler handler,
void *eloop_data, void *user_data,
struct os_reltime *remaining)
{
struct eloop_timeout *timeout, *prev;
int removed = 0;
struct os_reltime now;
os_get_reltime(&now);
remaining->sec = remaining->usec = 0;
dl_list_for_each_safe(timeout, prev, &eloop.timeout,
struct eloop_timeout, list) {
if (timeout->handler == handler &&
(timeout->eloop_data == eloop_data) &&
(timeout->user_data == user_data)) {
removed = 1;
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, remaining);
eloop_remove_timeout(timeout);
break;
}
}
return removed;
}
void eloop_destroy(void)
{
struct eloop_timeout *timeout, *prev;
struct os_time now;
os_get_time(&now);
dl_list_for_each_safe(timeout, prev, &eloop.timeout,
struct eloop_timeout, list) {
int sec, usec;
sec = timeout->time.sec - now.sec;
usec = timeout->time.usec - now.usec;
if (timeout->time.usec < now.usec) {
sec--;
usec += 1000000;
}
wpa_printf(MSG_INFO, "ELOOP: remaining timeout: %d.%06d "
"eloop_data=%p user_data=%p handler=%p",
sec, usec, timeout->eloop_data, timeout->user_data,
timeout->handler);
wpa_trace_dump_funcname("eloop unregistered timeout handler",
timeout->handler);
wpa_trace_dump("eloop timeout", timeout);
eloop_remove_timeout(timeout);
}
eloop_sock_table_destroy(&eloop.readers);
eloop_sock_table_destroy(&eloop.writers);
eloop_sock_table_destroy(&eloop.exceptions);
os_free(eloop.signals);
}
void eloop_run(void)
{
int num_poll_fds;
int timeout_ms = 0;
int res;
struct os_reltime tv, now;
bzero(&now, sizeof(struct os_reltime));
while (!eloop.terminate &&
(!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
struct eloop_timeout *timeout;
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout, list);
if (timeout) {
os_get_reltime(&now);
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, &tv);
else
tv.sec = tv.usec = 0;
timeout_ms = tv.sec * 1000 + tv.usec / 1000;
}
num_poll_fds =
eloop_sock_table_set_fds(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds, eloop.pollfds_map, eloop.max_pollfd_map);
res = poll(eloop.pollfds, num_poll_fds, timeout ? timeout_ms : -1);
if (res < 0 && errno != EINTR && errno != 0) {
fprintf(stderr, "eloop: poll: %s", strerror(errno));
goto out;
}
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout, list);
if (timeout) {
os_get_reltime(&now);
if (!os_reltime_before(&now, &timeout->time)) {
void *eloop_data = timeout->eloop_data;
void *user_data = timeout->user_data;
eloop_timeout_handler handler = timeout->handler;
eloop_remove_timeout(timeout);
handler(eloop_data, user_data);
}
}
if (res <= 0)
continue;
eloop_sock_table_dispatch(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds_map, eloop.max_pollfd_map);
}
out:
return;
}
int eloop_cancel_timeout(eloop_timeout_handler handler, void *eloop_data, void *user_data)
{
struct eloop_timeout *timeout, *prev;
int removed = 0;
dl_list_for_each_safe(timeout, prev, &eloop.timeout, struct eloop_timeout, list) {
if (timeout->handler == handler &&
(timeout->eloop_data == eloop_data ||
eloop_data == ELOOP_ALL_CTX) && (timeout->user_data == user_data || user_data == ELOOP_ALL_CTX)) {
eloop_remove_timeout(timeout);
removed++;
}
}
return removed;
}
void eloop_run(void)
{
#ifdef CONFIG_ELOOP_POLL
int num_poll_fds;
int timeout_ms = 0;
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
fd_set *rfds, *wfds, *efds;
struct timeval _tv;
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
int timeout_ms = -1;
#endif /* CONFIG_ELOOP_EPOLL */
int res;
struct os_reltime tv, now;
#ifdef CONFIG_ELOOP_SELECT
rfds = os_malloc(sizeof(*rfds));
wfds = os_malloc(sizeof(*wfds));
efds = os_malloc(sizeof(*efds));
if (rfds == NULL || wfds == NULL || efds == NULL)
goto out;
#endif /* CONFIG_ELOOP_SELECT */
while (!eloop.terminate &&
(!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
struct eloop_timeout *timeout;
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
list);
if (timeout) {
os_get_reltime(&now);
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, &tv);
else
tv.sec = tv.usec = 0;
#if defined(CONFIG_ELOOP_POLL) || defined(CONFIG_ELOOP_EPOLL)
timeout_ms = tv.sec * 1000 + tv.usec / 1000;
#endif /* defined(CONFIG_ELOOP_POLL) || defined(CONFIG_ELOOP_EPOLL) */
#ifdef CONFIG_ELOOP_SELECT
_tv.tv_sec = tv.sec;
_tv.tv_usec = tv.usec;
#endif /* CONFIG_ELOOP_SELECT */
}
#ifdef CONFIG_ELOOP_POLL
num_poll_fds = eloop_sock_table_set_fds(
&eloop.readers, &eloop.writers, &eloop.exceptions,
eloop.pollfds, eloop.pollfds_map,
eloop.max_pollfd_map);
res = poll(eloop.pollfds, num_poll_fds,
timeout ? timeout_ms : -1);
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
eloop_sock_table_set_fds(&eloop.readers, rfds);
eloop_sock_table_set_fds(&eloop.writers, wfds);
eloop_sock_table_set_fds(&eloop.exceptions, efds);
res = select(eloop.max_sock + 1, rfds, wfds, efds,
timeout ? &_tv : NULL);
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
if (eloop.count == 0) {
res = 0;
} else {
res = epoll_wait(eloop.epollfd, eloop.epoll_events,
eloop.count, timeout_ms);
}
#endif /* CONFIG_ELOOP_EPOLL */
if (res < 0 && errno != EINTR && errno != 0) {
wpa_printf(MSG_ERROR, "eloop: %s: %s",
#ifdef CONFIG_ELOOP_POLL
"poll"
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
"select"
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
"epoll"
#endif /* CONFIG_ELOOP_EPOLL */
, strerror(errno));
goto out;
}
eloop_process_pending_signals();
/* check if some registered timeouts have occurred */
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
list);
if (timeout) {
os_get_reltime(&now);
if (!os_reltime_before(&now, &timeout->time)) {
void *eloop_data = timeout->eloop_data;
void *user_data = timeout->user_data;
eloop_timeout_handler handler =
timeout->handler;
eloop_remove_timeout(timeout);
handler(eloop_data, user_data);
}
}
if (res <= 0)
continue;
#ifdef CONFIG_ELOOP_POLL
eloop_sock_table_dispatch(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds_map,
eloop.max_pollfd_map);
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
eloop_sock_table_dispatch(&eloop.readers, rfds);
eloop_sock_table_dispatch(&eloop.writers, wfds);
eloop_sock_table_dispatch(&eloop.exceptions, efds);
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
eloop_sock_table_dispatch(eloop.epoll_events, res);
#endif /* CONFIG_ELOOP_EPOLL */
}
eloop.terminate = 0;
out:
#ifdef CONFIG_ELOOP_SELECT
os_free(rfds);
os_free(wfds);
os_free(efds);
#endif /* CONFIG_ELOOP_SELECT */
return;
}
void eloop_run(void)
{
fd_set *rfds, *wfds, *efds;
int res;
struct timeval _tv;
struct os_time tv, now;
rfds = os_malloc(sizeof(*rfds));
wfds = os_malloc(sizeof(*wfds));
efds = os_malloc(sizeof(*efds));
if (rfds == NULL || wfds == NULL || efds == NULL)
goto out;
while (!eloop.terminate &&
(!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
struct eloop_timeout *timeout;
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
list);
if (timeout) {
os_get_time(&now);
if (os_time_before(&now, &timeout->time))
os_time_sub(&timeout->time, &now, &tv);
else
tv.sec = tv.usec = 0;
_tv.tv_sec = tv.sec;
_tv.tv_usec = tv.usec;
}
eloop_sock_table_set_fds(&eloop.readers, rfds);
eloop_sock_table_set_fds(&eloop.writers, wfds);
eloop_sock_table_set_fds(&eloop.exceptions, efds);
res = select(eloop.max_sock + 1, rfds, wfds, efds,
timeout ? &_tv : NULL);
if (res < 0 && errno != EINTR && errno != 0) {
perror("select");
goto out;
}
eloop_process_pending_signals();
/* check if some registered timeouts have occurred */
if (timeout) {
os_get_time(&now);
if (!os_time_before(&now, &timeout->time)) {
void *eloop_data = timeout->eloop_data;
void *user_data = timeout->user_data;
eloop_timeout_handler handler =
timeout->handler;
eloop_remove_timeout(timeout);
handler(eloop_data, user_data);
}
}
if (res <= 0)
continue;
eloop_sock_table_dispatch(&eloop.readers, rfds);
eloop_sock_table_dispatch(&eloop.writers, wfds);
eloop_sock_table_dispatch(&eloop.exceptions, efds);
}
out:
os_free(rfds);
os_free(wfds);
os_free(efds);
}
