2 Bacula® - The Network Backup Solution
4 Copyright (C) 2003-2010 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Bacula job queue routines.
31 * This code consists of three queues, the waiting_jobs
32 * queue, where jobs are initially queued, the ready_jobs
33 * queue, where jobs are placed when all the resources are
34 * allocated and they can immediately be run, and the
35 * running queue where jobs are placed when they are
38 * Kern Sibbald, July MMIII
41 * This code was adapted from the Bacula workq, which was
42 * adapted from "Programming with POSIX Threads", by
52 /* Forward referenced functions */
53 extern "C" void *jobq_server(void *arg);
54 extern "C" void *sched_wait(void *arg);
56 static int start_server(jobq_t *jq);
57 static bool acquire_resources(JCR *jcr);
58 static bool reschedule_job(JCR *jcr, jobq_t *jq, jobq_item_t *je);
59 static void dec_write_store(JCR *jcr);
62 * Initialize a job queue
64 * Returns: 0 on success
67 int jobq_init(jobq_t *jq, int threads, void *(*engine)(void *arg))
70 jobq_item_t *item = NULL;
72 if ((stat = pthread_attr_init(&jq->attr)) != 0) {
74 Jmsg1(NULL, M_ERROR, 0, _("pthread_attr_init: ERR=%s\n"), be.bstrerror(stat));
77 if ((stat = pthread_attr_setdetachstate(&jq->attr, PTHREAD_CREATE_DETACHED)) != 0) {
78 pthread_attr_destroy(&jq->attr);
81 if ((stat = pthread_mutex_init(&jq->mutex, NULL)) != 0) {
83 Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_init: ERR=%s\n"), be.bstrerror(stat));
84 pthread_attr_destroy(&jq->attr);
87 if ((stat = pthread_cond_init(&jq->work, NULL)) != 0) {
89 Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_init: ERR=%s\n"), be.bstrerror(stat));
90 pthread_mutex_destroy(&jq->mutex);
91 pthread_attr_destroy(&jq->attr);
95 jq->max_workers = threads; /* max threads to create */
96 jq->num_workers = 0; /* no threads yet */
97 jq->idle_workers = 0; /* no idle threads */
98 jq->engine = engine; /* routine to run */
99 jq->valid = JOBQ_VALID;
100 /* Initialize the job queues */
101 jq->waiting_jobs = New(dlist(item, &item->link));
102 jq->running_jobs = New(dlist(item, &item->link));
103 jq->ready_jobs = New(dlist(item, &item->link));
108 * Destroy the job queue
110 * Returns: 0 on success
113 int jobq_destroy(jobq_t *jq)
115 int stat, stat1, stat2;
117 if (jq->valid != JOBQ_VALID) {
121 jq->valid = 0; /* prevent any more operations */
124 * If any threads are active, wake them
126 if (jq->num_workers > 0) {
128 if (jq->idle_workers) {
129 if ((stat = pthread_cond_broadcast(&jq->work)) != 0) {
131 Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_broadcast: ERR=%s\n"), be.bstrerror(stat));
136 while (jq->num_workers > 0) {
137 if ((stat = pthread_cond_wait(&jq->work, &jq->mutex)) != 0) {
139 Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_wait: ERR=%s\n"), be.bstrerror(stat));
146 stat = pthread_mutex_destroy(&jq->mutex);
147 stat1 = pthread_cond_destroy(&jq->work);
148 stat2 = pthread_attr_destroy(&jq->attr);
149 delete jq->waiting_jobs;
150 delete jq->running_jobs;
151 delete jq->ready_jobs;
152 return (stat != 0 ? stat : (stat1 != 0 ? stat1 : stat2));
161 * Wait until schedule time arrives before starting. Normally
162 * this routine is only used for jobs started from the console
163 * for which the user explicitly specified a start time. Otherwise
164 * most jobs are put into the job queue only when their
165 * scheduled time arives.
168 void *sched_wait(void *arg)
170 JCR *jcr = ((wait_pkt *)arg)->jcr;
171 jobq_t *jq = ((wait_pkt *)arg)->jq;
173 set_jcr_in_tsd(INVALID_JCR);
174 Dmsg0(2300, "Enter sched_wait.\n");
176 time_t wtime = jcr->sched_time - time(NULL);
177 set_jcr_job_status(jcr, JS_WaitStartTime);
178 /* Wait until scheduled time arrives */
180 Jmsg(jcr, M_INFO, 0, _("Job %s waiting %d seconds for scheduled start time.\n"),
183 /* Check every 30 seconds if canceled */
185 Dmsg3(2300, "Waiting on sched time, jobid=%d secs=%d use=%d\n",
186 jcr->JobId, wtime, jcr->use_count());
190 bmicrosleep(wtime, 0);
191 if (job_canceled(jcr)) {
194 wtime = jcr->sched_time - time(NULL);
196 Dmsg1(200, "resched use=%d\n", jcr->use_count());
198 free_jcr(jcr); /* we are done with jcr */
199 Dmsg0(2300, "Exit sched_wait\n");
204 * Add a job to the queue
205 * jq is a queue that was created with jobq_init
207 int jobq_add(jobq_t *jq, JCR *jcr)
210 jobq_item_t *item, *li;
211 bool inserted = false;
212 time_t wtime = jcr->sched_time - time(NULL);
216 if (!jcr->term_wait_inited) {
217 /* Initialize termination condition variable */
218 if ((stat = pthread_cond_init(&jcr->term_wait, NULL)) != 0) {
220 Jmsg1(jcr, M_FATAL, 0, _("Unable to init job cond variable: ERR=%s\n"), be.bstrerror(stat));
223 jcr->term_wait_inited = true;
226 Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count());
227 if (jq->valid != JOBQ_VALID) {
228 Jmsg0(jcr, M_ERROR, 0, "Jobq_add queue not initialized.\n");
232 jcr->inc_use_count(); /* mark jcr in use by us */
233 Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count());
234 if (!job_canceled(jcr) && wtime > 0) {
235 set_thread_concurrency(jq->max_workers + 2);
236 sched_pkt = (wait_pkt *)malloc(sizeof(wait_pkt));
237 sched_pkt->jcr = jcr;
239 stat = pthread_create(&id, &jq->attr, sched_wait, (void *)sched_pkt);
240 if (stat != 0) { /* thread not created */
242 Jmsg1(jcr, M_ERROR, 0, _("pthread_thread_create: ERR=%s\n"), be.bstrerror(stat));
249 if ((item = (jobq_item_t *)malloc(sizeof(jobq_item_t))) == NULL) {
250 free_jcr(jcr); /* release jcr */
255 /* While waiting in a queue this job is not attached to a thread */
256 set_jcr_in_tsd(INVALID_JCR);
257 if (job_canceled(jcr)) {
258 /* Add job to ready queue so that it is canceled quickly */
259 jq->ready_jobs->prepend(item);
260 Dmsg1(2300, "Prepended job=%d to ready queue\n", jcr->JobId);
262 /* Add this job to the wait queue in priority sorted order */
263 foreach_dlist(li, jq->waiting_jobs) {
264 Dmsg2(2300, "waiting item jobid=%d priority=%d\n",
265 li->jcr->JobId, li->jcr->JobPriority);
266 if (li->jcr->JobPriority > jcr->JobPriority) {
267 jq->waiting_jobs->insert_before(item, li);
268 Dmsg2(2300, "insert_before jobid=%d before waiting job=%d\n",
269 li->jcr->JobId, jcr->JobId);
274 /* If not jobs in wait queue, append it */
276 jq->waiting_jobs->append(item);
277 Dmsg1(2300, "Appended item jobid=%d to waiting queue\n", jcr->JobId);
281 /* Ensure that at least one server looks at the queue. */
282 stat = start_server(jq);
285 Dmsg0(2300, "Return jobq_add\n");
290 * Remove a job from the job queue. Used only by cancel_job().
291 * jq is a queue that was created with jobq_init
292 * work_item is an element of work
294 * Note, it is "removed" from the job queue.
295 * If you want to cancel it, you need to provide some external means
296 * of doing so (e.g. pthread_kill()).
298 int jobq_remove(jobq_t *jq, JCR *jcr)
304 Dmsg2(2300, "jobq_remove jobid=%d jcr=0x%x\n", jcr->JobId, jcr);
305 if (jq->valid != JOBQ_VALID) {
310 foreach_dlist(item, jq->waiting_jobs) {
311 if (jcr == item->jcr) {
318 Dmsg2(2300, "jobq_remove jobid=%d jcr=0x%x not in wait queue\n", jcr->JobId, jcr);
322 /* Move item to be the first on the list */
323 jq->waiting_jobs->remove(item);
324 jq->ready_jobs->prepend(item);
325 Dmsg2(2300, "jobq_remove jobid=%d jcr=0x%x moved to ready queue\n", jcr->JobId, jcr);
327 stat = start_server(jq);
330 Dmsg0(2300, "Return jobq_remove\n");
336 * Start the server thread if it isn't already running
338 static int start_server(jobq_t *jq)
344 * if any threads are idle, wake one.
345 * Actually we do a broadcast because on /lib/tls
346 * these signals seem to get lost from time to time.
348 if (jq->idle_workers > 0) {
349 Dmsg0(2300, "Signal worker to wake up\n");
350 if ((stat = pthread_cond_broadcast(&jq->work)) != 0) {
352 Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_signal: ERR=%s\n"), be.bstrerror(stat));
355 } else if (jq->num_workers < jq->max_workers) {
356 Dmsg0(2300, "Create worker thread\n");
357 /* No idle threads so create a new one */
358 set_thread_concurrency(jq->max_workers + 1);
360 if ((stat = pthread_create(&id, &jq->attr, jobq_server, (void *)jq)) != 0) {
363 Jmsg1(NULL, M_ERROR, 0, _("pthread_create: ERR=%s\n"), be.bstrerror(stat));
372 * This is the worker thread that serves the job queue.
373 * When all the resources are acquired for the job,
374 * it will call the user's engine.
377 void *jobq_server(void *arg)
379 struct timespec timeout;
380 jobq_t *jq = (jobq_t *)arg;
381 jobq_item_t *je; /* job entry in queue */
383 bool timedout = false;
386 set_jcr_in_tsd(INVALID_JCR);
387 Dmsg0(2300, "Start jobq_server\n");
394 Dmsg0(2300, "Top of for loop\n");
395 if (!work && !jq->quit) {
396 gettimeofday(&tv, &tz);
398 timeout.tv_sec = tv.tv_sec + 4;
402 * Wait 4 seconds, then if no more work, exit
404 Dmsg0(2300, "pthread_cond_timedwait()\n");
405 stat = pthread_cond_timedwait(&jq->work, &jq->mutex, &timeout);
406 if (stat == ETIMEDOUT) {
407 Dmsg0(2300, "timedwait timedout.\n");
410 } else if (stat != 0) {
411 /* This shouldn't happen */
412 Dmsg0(2300, "This shouldn't happen\n");
421 * If anything is in the ready queue, run it
423 Dmsg0(2300, "Checking ready queue.\n");
424 while (!jq->ready_jobs->empty() && !jq->quit) {
426 je = (jobq_item_t *)jq->ready_jobs->first();
428 jq->ready_jobs->remove(je);
429 if (!jq->ready_jobs->empty()) {
430 Dmsg0(2300, "ready queue not empty start server\n");
431 if (start_server(jq) != 0) {
437 jq->running_jobs->append(je);
439 /* Attach jcr to this thread while we run the job */
440 jcr->set_killable(true);
442 Dmsg1(2300, "Took jobid=%d from ready and appended to run\n", jcr->JobId);
444 /* Release job queue lock */
447 /* Call user's routine here */
448 Dmsg3(2300, "Calling user engine for jobid=%d use=%d stat=%c\n", jcr->JobId,
449 jcr->use_count(), jcr->JobStatus);
452 /* Job finished detach from thread */
453 remove_jcr_from_tsd(je->jcr);
454 je->jcr->set_killable(false);
456 Dmsg2(2300, "Back from user engine jobid=%d use=%d.\n", jcr->JobId,
459 /* Reacquire job queue lock */
461 Dmsg0(200, "Done lock mutex after running job. Release locks.\n");
462 jq->running_jobs->remove(je);
464 * Release locks if acquired. Note, they will not have
465 * been acquired for jobs canceled before they were
466 * put into the ready queue.
468 if (jcr->acquired_resource_locks) {
470 dec_write_store(jcr);
471 jcr->client->NumConcurrentJobs--;
472 jcr->job->NumConcurrentJobs--;
473 jcr->acquired_resource_locks = false;
476 if (reschedule_job(jcr, jq, je)) {
477 continue; /* go look for more work */
480 /* Clean up and release old jcr */
481 Dmsg2(2300, "====== Termination job=%d use_cnt=%d\n", jcr->JobId, jcr->use_count());
482 jcr->SDJobStatus = 0;
483 V(jq->mutex); /* release internal lock */
485 free(je); /* release job entry */
486 P(jq->mutex); /* reacquire job queue lock */
489 * If any job in the wait queue can be run,
490 * move it to the ready queue
492 Dmsg0(2300, "Done check ready, now check wait queue.\n");
493 if (!jq->waiting_jobs->empty() && !jq->quit) {
495 bool running_allow_mix = false;
496 je = (jobq_item_t *)jq->waiting_jobs->first();
497 jobq_item_t *re = (jobq_item_t *)jq->running_jobs->first();
499 Priority = re->jcr->JobPriority;
500 Dmsg2(2300, "JobId %d is running. Look for pri=%d\n",
501 re->jcr->JobId, Priority);
502 running_allow_mix = true;
504 Dmsg2(2300, "JobId %d is also running with %s\n",
506 re->jcr->job->allow_mixed_priority ? "mix" : "no mix");
507 if (!re->jcr->job->allow_mixed_priority) {
508 running_allow_mix = false;
511 re = (jobq_item_t *)jq->running_jobs->next(re);
513 Dmsg1(2300, "The running job(s) %s mixing priorities.\n",
514 running_allow_mix ? "allow" : "don't allow");
516 Priority = je->jcr->JobPriority;
517 Dmsg1(2300, "No job running. Look for Job pri=%d\n", Priority);
520 * Walk down the list of waiting jobs and attempt
521 * to acquire the resources it needs.
524 /* je is current job item on the queue, jn is the next one */
526 jobq_item_t *jn = (jobq_item_t *)jq->waiting_jobs->next(je);
528 Dmsg4(2300, "Examining Job=%d JobPri=%d want Pri=%d (%s)\n",
529 jcr->JobId, jcr->JobPriority, Priority,
530 jcr->job->allow_mixed_priority ? "mix" : "no mix");
532 /* Take only jobs of correct Priority */
533 if (!(jcr->JobPriority == Priority
534 || (jcr->JobPriority < Priority &&
535 jcr->job->allow_mixed_priority && running_allow_mix))) {
536 set_jcr_job_status(jcr, JS_WaitPriority);
540 if (!acquire_resources(jcr)) {
541 /* If resource conflict, job is canceled */
542 if (!job_canceled(jcr)) {
543 je = jn; /* point to next waiting job */
549 * Got all locks, now remove it from wait queue and append it
550 * to the ready queue. Note, we may also get here if the
551 * job was canceled. Once it is "run", it will quickly
554 jq->waiting_jobs->remove(je);
555 jq->ready_jobs->append(je);
556 Dmsg1(2300, "moved JobId=%d from wait to ready queue\n", je->jcr->JobId);
557 je = jn; /* Point to next waiting job */
562 Dmsg0(2300, "Done checking wait queue.\n");
564 * If no more ready work and we are asked to quit, then do it
566 if (jq->ready_jobs->empty() && jq->quit) {
568 if (jq->num_workers == 0) {
569 Dmsg0(2300, "Wake up destroy routine\n");
570 /* Wake up destroy routine if he is waiting */
571 pthread_cond_broadcast(&jq->work);
575 Dmsg0(2300, "Check for work request\n");
577 * If no more work requests, and we waited long enough, quit
579 Dmsg2(2300, "timedout=%d read empty=%d\n", timedout,
580 jq->ready_jobs->empty());
581 if (jq->ready_jobs->empty() && timedout) {
582 Dmsg0(2300, "break big loop\n");
587 work = !jq->ready_jobs->empty() || !jq->waiting_jobs->empty();
590 * If a job is waiting on a Resource, don't consume all
591 * the CPU time looping looking for work, and even more
592 * important, release the lock so that a job that has
593 * terminated can give us the resource.
596 bmicrosleep(2, 0); /* pause for 2 seconds */
598 /* Recompute work as something may have changed in last 2 secs */
599 work = !jq->ready_jobs->empty() || !jq->waiting_jobs->empty();
601 Dmsg1(2300, "Loop again. work=%d\n", work);
602 } /* end of big for loop */
604 Dmsg0(200, "unlock mutex\n");
606 Dmsg0(2300, "End jobq_server\n");
611 * Returns true if cleanup done and we should look for more work
613 static bool reschedule_job(JCR *jcr, jobq_t *jq, jobq_item_t *je)
616 * Reschedule the job if necessary and requested
618 if (jcr->job->RescheduleOnError &&
619 jcr->JobStatus != JS_Terminated &&
620 jcr->JobStatus != JS_Canceled &&
621 jcr->getJobType() == JT_BACKUP &&
622 (jcr->job->RescheduleTimes == 0 ||
623 jcr->reschedule_count < jcr->job->RescheduleTimes)) {
624 char dt[50], dt2[50];
627 * Reschedule this job by cleaning it up, but
628 * reuse the same JobId if possible.
630 time_t now = time(NULL);
631 jcr->reschedule_count++;
632 jcr->sched_time = now + jcr->job->RescheduleInterval;
633 bstrftime(dt, sizeof(dt), now);
634 bstrftime(dt2, sizeof(dt2), jcr->sched_time);
635 Dmsg4(2300, "Rescheduled Job %s to re-run in %d seconds.(now=%u,then=%u)\n", jcr->Job,
636 (int)jcr->job->RescheduleInterval, now, jcr->sched_time);
637 Jmsg(jcr, M_INFO, 0, _("Rescheduled Job %s at %s to re-run in %d seconds (%s).\n"),
638 jcr->Job, dt, (int)jcr->job->RescheduleInterval, dt2);
639 dird_free_jcr_pointers(jcr); /* partial cleanup old stuff */
641 set_jcr_job_status(jcr, JS_WaitStartTime);
642 jcr->SDJobStatus = 0;
643 if (!allow_duplicate_job(jcr)) {
646 if (jcr->JobBytes == 0) {
647 Dmsg2(2300, "Requeue job=%d use=%d\n", jcr->JobId, jcr->use_count());
649 jobq_add(jq, jcr); /* queue the job to run again */
651 free_jcr(jcr); /* release jcr */
652 free(je); /* free the job entry */
653 return true; /* we already cleaned up */
656 * Something was actually backed up, so we cannot reuse
657 * the old JobId or there will be database record
658 * conflicts. We now create a new job, copying the
659 * appropriate fields.
661 JCR *njcr = new_jcr(sizeof(JCR), dird_free_jcr);
662 set_jcr_defaults(njcr, jcr->job);
663 njcr->reschedule_count = jcr->reschedule_count;
664 njcr->sched_time = jcr->sched_time;
665 njcr->set_JobLevel(jcr->getJobLevel());
666 njcr->pool = jcr->pool;
667 njcr->run_pool_override = jcr->run_pool_override;
668 njcr->full_pool = jcr->full_pool;
669 njcr->run_full_pool_override = jcr->run_full_pool_override;
670 njcr->inc_pool = jcr->inc_pool;
671 njcr->run_inc_pool_override = jcr->run_inc_pool_override;
672 njcr->diff_pool = jcr->diff_pool;
673 njcr->JobStatus = -1;
674 set_jcr_job_status(njcr, jcr->JobStatus);
676 copy_rstorage(njcr, jcr->rstorage, _("previous Job"));
681 copy_wstorage(njcr, jcr->wstorage, _("previous Job"));
685 njcr->messages = jcr->messages;
686 njcr->spool_data = jcr->spool_data;
687 njcr->write_part_after_job = jcr->write_part_after_job;
688 Dmsg0(2300, "Call to run new job\n");
690 run_job(njcr); /* This creates a "new" job */
691 free_jcr(njcr); /* release "new" jcr */
693 Dmsg0(2300, "Back from running new job.\n");
699 * See if we can acquire all the necessary resources for the job (JCR)
701 * Returns: true if successful
702 * false if resource failure
704 static bool acquire_resources(JCR *jcr)
706 bool skip_this_jcr = false;
708 jcr->acquired_resource_locks = false;
710 * Turning this code off is likely to cause some deadlocks,
711 * but we do not really have enough information here to
712 * know if this is really a deadlock (it may be a dual drive
713 * autochanger), and in principle, the SD reservation system
714 * should detect these deadlocks, so push the work off on it.
717 if (jcr->rstore && jcr->rstore == jcr->wstore) { /* possible deadlock */
718 Jmsg(jcr, M_FATAL, 0, _("Job canceled. Attempt to read and write same device.\n"
719 " Read storage \"%s\" (From %s) -- Write storage \"%s\" (From %s)\n"),
720 jcr->rstore->name(), jcr->rstore_source, jcr->wstore->name(), jcr->wstore_source);
721 set_jcr_job_status(jcr, JS_Canceled);
726 Dmsg1(200, "Rstore=%s\n", jcr->rstore->name());
727 if (!inc_read_store(jcr)) {
728 Dmsg1(200, "Fail rncj=%d\n", jcr->rstore->NumConcurrentJobs);
729 set_jcr_job_status(jcr, JS_WaitStoreRes);
735 Dmsg1(200, "Wstore=%s\n", jcr->wstore->name());
736 if (jcr->wstore->NumConcurrentJobs < jcr->wstore->MaxConcurrentJobs) {
737 jcr->wstore->NumConcurrentJobs++;
738 Dmsg1(200, "Inc wncj=%d\n", jcr->wstore->NumConcurrentJobs);
739 } else if (jcr->rstore) {
741 skip_this_jcr = true;
743 Dmsg1(200, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
744 skip_this_jcr = true;
748 set_jcr_job_status(jcr, JS_WaitStoreRes);
752 if (jcr->client->NumConcurrentJobs < jcr->client->MaxConcurrentJobs) {
753 jcr->client->NumConcurrentJobs++;
755 /* Back out previous locks */
756 dec_write_store(jcr);
758 set_jcr_job_status(jcr, JS_WaitClientRes);
761 if (jcr->job->NumConcurrentJobs < jcr->job->MaxConcurrentJobs) {
762 jcr->job->NumConcurrentJobs++;
764 /* Back out previous locks */
765 dec_write_store(jcr);
767 jcr->client->NumConcurrentJobs--;
768 set_jcr_job_status(jcr, JS_WaitJobRes);
772 jcr->acquired_resource_locks = true;
776 static pthread_mutex_t rstore_mutex = PTHREAD_MUTEX_INITIALIZER;
779 * Note: inc_read_store() and dec_read_store() are
780 * called from select_rstore() in src/dird/restore.c
782 bool inc_read_store(JCR *jcr)
785 if (jcr->rstore->NumConcurrentJobs < jcr->rstore->MaxConcurrentJobs) {
786 jcr->rstore->NumConcurrentReadJobs++;
787 jcr->rstore->NumConcurrentJobs++;
788 Dmsg1(200, "Inc rncj=%d\n", jcr->rstore->NumConcurrentJobs);
796 void dec_read_store(JCR *jcr)
800 jcr->rstore->NumConcurrentReadJobs--; /* back out rstore */
801 jcr->rstore->NumConcurrentJobs--; /* back out rstore */
802 Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
804 ASSERT(jcr->rstore->NumConcurrentReadJobs >= 0);
805 ASSERT(jcr->rstore->NumConcurrentJobs >= 0);
809 static void dec_write_store(JCR *jcr)
812 jcr->wstore->NumConcurrentJobs--;
813 Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
814 ASSERT(jcr->wstore->NumConcurrentJobs >= 0);