static void qmgr_queue_resume(int event, char *context)
{
QMGR_QUEUE *queue = (QMGR_QUEUE *) context;
const char *myname = "qmgr_queue_resume";
/*
* Sanity checks.
*/
if (!QMGR_QUEUE_SUSPENDED(queue))
msg_panic("%s: bad queue status: %s", myname, QMGR_QUEUE_STATUS(queue));
/*
* We can't simply force delivery on this queue: the transport's pending
* count may already be maxed out, and there may be other constraints
* that definitely should be none of our business. The best we can do is
* to play by the same rules as everyone else: let qmgr_active_drain()
* and round-robin selection take care of message selection.
*/
queue->window = 1;
/*
* Every event handler that leaves a queue in the "ready" state should
* remove the queue when it is empty.
*/
if (QMGR_QUEUE_READY(queue) && queue->todo.next == 0 && queue->busy.next == 0)
qmgr_queue_done(queue);
}
static void qmgr_queue_unthrottle_wrapper(int unused_event, char *context)
{
QMGR_QUEUE *queue = (QMGR_QUEUE *) context;
/*
* This routine runs when a wakeup timer goes off; it does not run in the
* context of some queue manipulation. Therefore, it is safe to discard
* this in-core queue when it is empty and when this site is not dead.
*/
qmgr_queue_unthrottle(queue);
if (QMGR_QUEUE_READY(queue) && queue->todo.next == 0 && queue->busy.next == 0)
qmgr_queue_done(queue);
}
static void qmgr_queue_resume(int event, char *context)
{
QMGR_QUEUE *queue = (QMGR_QUEUE *) context;
const char *myname = "qmgr_queue_resume";
/*
* Sanity checks.
*/
if (!QMGR_QUEUE_SUSPENDED(queue))
msg_panic("%s: bad queue status: %s", myname, QMGR_QUEUE_STATUS(queue));
/*
* We can't simply force delivery on this queue: the transport's pending
* count may already be maxed out, and there may be other constraints
* that definitely should be none of our business. The best we can do is
* to play by the same rules as everyone else: let qmgr_active_drain()
* and round-robin selection take care of message selection.
*/
queue->window = 1;
/*
* Every event handler that leaves a queue in the "ready" state should
* remove the queue when it is empty.
*
* XXX Do not omit the redundant test below. It is here to simplify code
* consistency checks. The check is trivially eliminated by the compiler
* optimizer. There is no need to sacrifice code clarity for the sake of
* performance.
*
* XXX Do not expose the blocker job logic here. Rate-limited queues are not
* a performance-critical feature. Here, too, there is no need to sacrifice
* code clarity for the sake of performance.
*/
if (QMGR_QUEUE_READY(queue) && queue->todo.next == 0 && queue->busy.next == 0)
qmgr_queue_done(queue);
else
qmgr_job_blocker_update(queue);
}
