void nsbeos_gui_poll(void)
{
fd_set read_fd_set, write_fd_set, exc_fd_set;
int max_fd;
struct timeval timeout;
unsigned int fd_count = 0;
bigtime_t next_schedule = 0;
/* get any active fetcher fd */
fetch_fdset(&read_fd_set, &write_fd_set, &exc_fd_set, &max_fd);
/* run the scheduler */
schedule_run();
// our own event pipe
FD_SET(sEventPipe[0], &read_fd_set);
// max of all the fds in the set, plus one for select()
max_fd = MAX(max_fd, sEventPipe[0]) + 1;
// compute schedule timeout
if (earliest_callback_timeout != B_INFINITE_TIMEOUT) {
next_schedule = earliest_callback_timeout - system_time();
} else {
next_schedule = earliest_callback_timeout;
}
// we're quite late already...
if (next_schedule < 0)
next_schedule = 0;
timeout.tv_sec = (long)(next_schedule / 1000000LL);
timeout.tv_usec = (long)(next_schedule % 1000000LL);
//LOG("gui_poll: select(%d, ..., %Ldus", max_fd, next_schedule);
fd_count = select(max_fd, &read_fd_set, &write_fd_set, &exc_fd_set,
&timeout);
//LOG("select: %d\n", fd_count);
if (fd_count > 0 && FD_ISSET(sEventPipe[0], &read_fd_set)) {
BMessage *message;
int len = read(sEventPipe[0], &message, sizeof(void *));
//LOG("gui_poll: BMessage ? %d read", len);
if (len == sizeof(void *)) {
//LOG("gui_poll: BMessage.what %-4.4s\n", &(message->what));
nsbeos_dispatch_event(message);
}
}
}
static void gui_poll(bool active)
{
CURLMcode code;
fd_set read_fd_set, write_fd_set, exc_fd_set;
int max_fd = 0;
struct timeval timeout;
unsigned int fd_count = 0;
bool block = true;
bigtime_t next_schedule = 0;
// handle early deadlines
schedule_run();
FD_ZERO(&read_fd_set);
FD_ZERO(&write_fd_set);
FD_ZERO(&exc_fd_set);
if (active) {
code = curl_multi_fdset(fetch_curl_multi,
&read_fd_set,
&write_fd_set,
&exc_fd_set,
&max_fd);
assert(code == CURLM_OK);
}
// our own event pipe
FD_SET(sEventPipe[0], &read_fd_set);
max_fd = MAX(max_fd, sEventPipe[0] + 1);
// If there are pending events elsewhere, we should not be blocking
if (!browser_reformat_pending) {
if (earliest_callback_timeout != B_INFINITE_TIMEOUT) {
next_schedule = earliest_callback_timeout - system_time();
block = false;
}
// we're quite late already...
if (next_schedule < 0)
next_schedule = 0;
} else //we're not allowed to sleep, there is other activity going on.
block = false;
/*
LOG(("gui_poll: browser_reformat_pending:%d earliest_callback_timeout:%Ld"
" next_schedule:%Ld block:%d ", browser_reformat_pending,
earliest_callback_timeout, next_schedule, block));
*/
timeout.tv_sec = (long)(next_schedule / 1000000LL);
timeout.tv_usec = (long)(next_schedule % 1000000LL);
//LOG(("gui_poll: select(%d, ..., %Ldus", max_fd, next_schedule));
fd_count = select(max_fd, &read_fd_set, &write_fd_set, &exc_fd_set,
block ? NULL : &timeout);
//LOG(("select: %d\n", fd_count));
if (fd_count > 0 && FD_ISSET(sEventPipe[0], &read_fd_set)) {
BMessage *message;
int len = read(sEventPipe[0], &message, sizeof(void *));
//LOG(("gui_poll: BMessage ? %d read", len));
if (len == sizeof(void *)) {
//LOG(("gui_poll: BMessage.what %-4.4s\n", &(message->what)));
nsbeos_dispatch_event(message);
}
}
schedule_run();
if (browser_reformat_pending)
nsbeos_window_process_reformats();
}
