static ALWAYS_INLINE void
spawn_coro(lwan_connection_t *conn,
coro_switcher_t *switcher, struct death_queue_t *dq)
{
assert(!conn->coro);
assert(!(conn->flags & CONN_IS_ALIVE));
assert(!(conn->flags & CONN_SHOULD_RESUME_CORO));
conn->coro = coro_new(switcher, process_request_coro, conn);
death_queue_insert(dq, conn);
conn->flags |= (CONN_IS_ALIVE | CONN_SHOULD_RESUME_CORO);
conn->flags &= ~CONN_WRITE_EVENTS;
}
static void death_queue_move_to_last(struct death_queue_t *dq,
lwan_connection_t *conn)
{
/*
* If the connection isn't keep alive, it might have a coroutine that
* should be resumed. If that's the case, schedule for this request to
* die according to the keep alive timeout.
*
* If it's not a keep alive connection, or the coroutine shouldn't be
* resumed -- then just mark it to be reaped right away.
*/
conn->time_to_die = dq->time + dq->keep_alive_timeout *
(unsigned)!!(conn->flags & (CONN_KEEP_ALIVE | CONN_SHOULD_RESUME_CORO));
death_queue_remove(dq, conn);
death_queue_insert(dq, conn);
}
static ALWAYS_INLINE void
spawn_or_reset_coro_if_needed(lwan_connection_t *conn,
coro_switcher_t *switcher, struct death_queue_t *dq)
{
if (conn->coro) {
if (conn->flags & CONN_SHOULD_RESUME_CORO)
return;
coro_reset(conn->coro, process_request_coro, conn);
} else {
conn->coro = coro_new(switcher, process_request_coro, conn);
death_queue_insert(dq, conn);
conn->flags |= CONN_IS_ALIVE;
}
conn->flags |= CONN_SHOULD_RESUME_CORO;
conn->flags &= ~CONN_WRITE_EVENTS;
}
