#include <errno.h>
static size_t num_fds = 0, max_fds = 0, num_closing = 0, num_waiting = 0;
+static bool some_always = false;
static struct pollfd *pollfds = NULL;
static struct fd **fds = NULL;
static struct timers timeouts;
if (pfd->events)
num_waiting--;
- pfd->events = conn->plan.pollflag;
+ pfd->events = conn->plan.pollflag & (POLLIN|POLLOUT);
if (conn->duplex) {
- int mask = conn->duplex->plan.pollflag;
+ int mask = conn->duplex->plan.pollflag & (POLLIN|POLLOUT);
/* You can't *both* read/write. */
assert(!mask || pfd->events != mask);
pfd->events |= mask;
if (!conn->plan.next)
num_closing++;
+
+ if (conn->plan.pollflag == POLLALWAYS)
+ some_always = true;
}
bool add_conn(struct io_conn *c)
{
- if (!add_fd(&c->fd, c->plan.pollflag))
+ if (!add_fd(&c->fd, c->plan.pollflag & (POLLIN|POLLOUT)))
return false;
/* Immediate close is allowed. */
if (!c->plan.next)
num_closing++;
+ if (c->plan.pollflag == POLLALWAYS)
+ some_always = true;
return true;
}
conn->timeout->conn = NULL;
}
+static void handle_always(void)
+{
+ int i;
+
+ some_always = false;
+
+ for (i = 0; i < num_fds && !io_loop_return; i++) {
+ struct io_conn *c = (void *)fds[i];
+
+ if (fds[i]->listener)
+ continue;
+
+ if (c->plan.pollflag == POLLALWAYS)
+ io_ready(c);
+
+ if (c->duplex && c->duplex->plan.pollflag == POLLALWAYS)
+ io_ready(c->duplex);
+ }
+}
+
/* This is the main loop. */
void *do_io_loop(struct io_conn **ready)
{
if (doing_debug() && some_timeouts)
continue;
+ if (some_always) {
+ handle_always();
+ continue;
+ }
+
if (num_fds == 0)
break;