*
*/
/*
- Copyright (C) 2003-2006 Kern Sibbald
+ Bacula® - The Network Backup Solution
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- version 2 as amended with additional clauses defined in the
- file LICENSE in the main source directory.
+ Copyright (C) 2003-2007 Free Software Foundation Europe e.V.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- the file LICENSE for additional details.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
- */
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
#include "bacula.h"
#include "dird.h"
if (jcr->acquired_resource_locks) {
if (jcr->rstore) {
jcr->rstore->NumConcurrentJobs = 0;
- Dmsg1(000, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
}
if (jcr->wstore) {
jcr->wstore->NumConcurrentJobs--;
- Dmsg1(000, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
}
jcr->client->NumConcurrentJobs--;
jcr->job->NumConcurrentJobs--;
if (jcr->job->RescheduleOnError &&
jcr->JobStatus != JS_Terminated &&
jcr->JobStatus != JS_Canceled &&
- jcr->job->RescheduleTimes > 0 &&
jcr->JobType == JT_BACKUP &&
(jcr->job->RescheduleTimes == 0 ||
jcr->reschedule_count < jcr->job->RescheduleTimes)) {
Dmsg0(2300, "Back from running new job.\n");
}
/* Clean up and release old jcr */
- if (jcr->db) {
- db_close_database(jcr, jcr->db);
- jcr->db = NULL;
- }
Dmsg2(2300, "====== Termination job=%d use_cnt=%d\n", jcr->JobId, jcr->use_count());
jcr->SDJobStatus = 0;
V(jq->mutex); /* release internal lock */
}
if (!acquire_resources(jcr)) {
- je = jn; /* point to next waiting job */
- continue;
+ /* If resource conflict, job is canceled */
+ if (!job_canceled(jcr)) {
+ je = jn; /* point to next waiting job */
+ continue;
+ }
}
- /* Got all locks, now remove it from wait queue and append it
- * to the ready queue
+ /*
+ * Got all locks, now remove it from wait queue and append it
+ * to the ready queue. Note, we may also get here if the
+ * job was canceled. Once it is "run", it will quickly
+ * terminate.
*/
jq->waiting_jobs->remove(je);
jq->ready_jobs->append(je);
jcr->acquired_resource_locks = false;
if (jcr->rstore) {
- Dmsg1(000, "Rstore=%s\n", jcr->rstore->name());
- /*
- * Let only one Restore/verify job run at a time regardless
- * of MaxConcurrentJobs.
- */
- if (jcr->rstore->NumConcurrentJobs == 0) {
+ Dmsg1(200, "Rstore=%s\n", jcr->rstore->name());
+ if (jcr->rstore->NumConcurrentJobs == 0 &&
+ jcr->rstore->NumConcurrentJobs < jcr->rstore->MaxConcurrentJobs) {
+ /* Simple case, first job */
jcr->rstore->NumConcurrentJobs = 1;
- Dmsg0(000, "Set rncj=1\n");
+ Dmsg0(200, "Set rncj=1\n");
+ } else if (jcr->rstore->NumConcurrentJobs < jcr->rstore->MaxConcurrentJobs) {
+ jcr->rstore->NumConcurrentJobs++;
+ Dmsg1(200, "Inc rncj=%d\n", jcr->rstore->NumConcurrentJobs);
} else {
- Dmsg1(000, "Fail rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ Dmsg1(200, "Fail rncj=%d\n", jcr->rstore->NumConcurrentJobs);
set_jcr_job_status(jcr, JS_WaitStoreRes);
return false;
}
}
if (jcr->wstore) {
+ Dmsg1(200, "Wstore=%s\n", jcr->wstore->name());
+ if (jcr->rstore == jcr->wstore) { /* deadlock */
+ jcr->rstore->NumConcurrentJobs--; /* back out rstore */
+ Jmsg(jcr, M_FATAL, 0, _("Job canceled. Attempt to read and write same device.\n"
+ " Read storage \"%s\" (From %s) -- Write storage \"%s\" (From %s)\n"),
+ jcr->rstore->name(), jcr->rstore_source, jcr->wstore->name(), jcr->wstore_source);
+ set_jcr_job_status(jcr, JS_Canceled);
+ return false;
+ }
if (jcr->wstore->NumConcurrentJobs == 0 &&
jcr->wstore->NumConcurrentJobs < jcr->wstore->MaxConcurrentJobs) {
/* Simple case, first job */
jcr->wstore->NumConcurrentJobs = 1;
- Dmsg0(000, "Set wncj=1\n");
+ Dmsg0(200, "Set wncj=1\n");
} else if (jcr->wstore->NumConcurrentJobs < jcr->wstore->MaxConcurrentJobs) {
jcr->wstore->NumConcurrentJobs++;
- Dmsg1(000, "Inc wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ Dmsg1(200, "Inc wncj=%d\n", jcr->wstore->NumConcurrentJobs);
} else if (jcr->rstore) {
- jcr->rstore->NumConcurrentJobs = 0; /* back out rstore */
- Dmsg1(000, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ jcr->rstore->NumConcurrentJobs--; /* back out rstore */
+ Dmsg1(200, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
skip_this_jcr = true;
} else {
- Dmsg1(000, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ Dmsg1(200, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
skip_this_jcr = true;
}
}
/* Back out previous locks */
if (jcr->wstore) {
jcr->wstore->NumConcurrentJobs--;
- Dmsg1(000, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
}
if (jcr->rstore) {
- jcr->rstore->NumConcurrentJobs = 0;
- Dmsg1(000, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ jcr->rstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
}
set_jcr_job_status(jcr, JS_WaitClientRes);
return false;
/* Back out previous locks */
if (jcr->wstore) {
jcr->wstore->NumConcurrentJobs--;
- Dmsg1(000, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
}
if (jcr->rstore) {
- jcr->rstore->NumConcurrentJobs = 0;
- Dmsg1(000, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ jcr->rstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
}
jcr->client->NumConcurrentJobs--;
set_jcr_job_status(jcr, JS_WaitJobRes);
return false;
}
- /* Check actual device availability */
- /* ***FIXME****/
-
jcr->acquired_resource_locks = true;
return true;