/* Construction finalizer
* rgerhards, 2008-01-17
*/
rsRetVal
wtiConstructFinalize(wti_t *pThis)
{
DEFiRet;
int iDeqBatchSize;
ISOBJ_TYPE_assert(pThis, wti);
DBGPRINTF("%s: finalizing construction of worker instance data (for %d actions)\n",
wtiGetDbgHdr(pThis), iActionNbr);
/* initialize our thread instance descriptor (no concurrency here) */
pThis->bIsRunning = WRKTHRD_STOPPED;
/* must use calloc as we need zero-init */
CHKmalloc(pThis->actWrkrInfo = calloc(iActionNbr, sizeof(actWrkrInfo_t)));
if(pThis->pWtp == NULL) {
dbgprintf("wtiConstructFinalize: pWtp not set, this may be intentional\n");
FINALIZE;
}
/* we now alloc the array for user pointers. We obtain the max from the queue itself. */
CHKiRet(pThis->pWtp->pfGetDeqBatchSize(pThis->pWtp->pUsr, &iDeqBatchSize));
CHKiRet(batchInit(&pThis->batch, iDeqBatchSize));
finalize_it:
RETiRet;
}
/* cancellation cleanup handler for queueWorker ()
* Most importantly, it must bring back the batch into a consistent state.
* Keep in mind that cancellation is disabled if we run into
* the cancel cleanup handler (and have been cancelled).
* rgerhards, 2008-01-16
*/
static void
wtiWorkerCancelCleanup(void *arg)
{
wti_t *pThis = (wti_t*) arg;
wtp_t *pWtp;
BEGINfunc
ISOBJ_TYPE_assert(pThis, wti);
pWtp = pThis->pWtp;
ISOBJ_TYPE_assert(pWtp, wtp);
DBGPRINTF("%s: cancelation cleanup handler called.\n", wtiGetDbgHdr(pThis));
pWtp->pfObjProcessed(pWtp->pUsr, pThis);
DBGPRINTF("%s: done cancelation cleanup handler.\n", wtiGetDbgHdr(pThis));
ENDfunc
}
/* wait for queue to become non-empty or timeout
* helper to wtiWorker. Note the the predicate is
* re-tested by the caller, so it is OK to NOT do it here.
* rgerhards, 2009-05-20
*/
static void
doIdleProcessing(wti_t *pThis, wtp_t *pWtp, int *pbInactivityTOOccured)
{
struct timespec t;
BEGINfunc
DBGPRINTF("%s: worker IDLE, waiting for work.\n", wtiGetDbgHdr(pThis));
if(pThis->bAlwaysRunning) {
/* never shut down any started worker */
d_pthread_cond_wait(&pThis->pcondBusy, pWtp->pmutUsr);
} else {
timeoutComp(&t, pWtp->toWrkShutdown);/* get absolute timeout */
if(d_pthread_cond_timedwait(&pThis->pcondBusy, pWtp->pmutUsr, &t) != 0) {
DBGPRINTF("%s: inactivity timeout, worker terminating...\n", wtiGetDbgHdr(pThis));
*pbInactivityTOOccured = 1; /* indicate we had a timeout */
}
}
DBGOPRINT((obj_t*) pThis, "worker awoke from idle processing\n");
ENDfunc
}
/* Construction finalizer
* rgerhards, 2008-01-17
*/
rsRetVal
wtiConstructFinalize(wti_t *pThis)
{
DEFiRet;
int iDeqBatchSize;
ISOBJ_TYPE_assert(pThis, wti);
dbgprintf("%s: finalizing construction of worker instance data\n", wtiGetDbgHdr(pThis));
/* initialize our thread instance descriptor (no concurrency here) */
pThis->bIsRunning = FALSE;
/* we now alloc the array for user pointers. We obtain the max from the queue itself. */
CHKiRet(pThis->pWtp->pfGetDeqBatchSize(pThis->pWtp->pUsr, &iDeqBatchSize));
CHKiRet(batchInit(&pThis->batch, iDeqBatchSize));
finalize_it:
RETiRet;
}
