Exemplo n.º 1
0
/*
 * Create a Job Control Record and link it into JCR chain
 * Returns newly allocated JCR
 * Note, since each daemon has a different JCR, he passes
 *  us the size.
 */
JCR *new_jcr(int size, JCR_free_HANDLER *daemon_free_jcr)
{
   JCR *jcr;
   MQUEUE_ITEM *item = NULL;
   struct sigaction sigtimer;
   int status;

   Dmsg0(dbglvl, "Enter new_jcr\n");
   status = pthread_once(&key_once, create_jcr_key);
   if (status != 0) {
      berrno be;
      Jmsg1(NULL, M_ABORT, 0, _("pthread_once failed. ERR=%s\n"), be.bstrerror(status));
   }
   jcr = (JCR *)malloc(size);
   memset(jcr, 0, size);
   jcr->my_thread_id = pthread_self();
   jcr->msg_queue = New(dlist(item, &item->link));
   jcr->job_end_push.init(1, false);
   jcr->sched_time = time(NULL);
   jcr->daemon_free_jcr = daemon_free_jcr;    /* plug daemon free routine */
   jcr->init_mutex();
   jcr->inc_use_count();   
   jcr->VolumeName = get_pool_memory(PM_FNAME);
   jcr->VolumeName[0] = 0;
   jcr->errmsg = get_pool_memory(PM_MESSAGE);
   jcr->errmsg[0] = 0;
   /* Setup some dummy values */
   bstrncpy(jcr->Job, "*System*", sizeof(jcr->Job));
   jcr->JobId = 0;
   jcr->set_JobType(JT_SYSTEM);          /* internal job until defined */
   jcr->set_JobLevel(L_NONE);
   set_jcr_job_status(jcr, JS_Created);       /* ready to run */
   set_jcr_in_tsd(jcr);
   sigtimer.sa_flags = 0;
   sigtimer.sa_handler = timeout_handler;
   sigfillset(&sigtimer.sa_mask);
   sigaction(TIMEOUT_SIGNAL, &sigtimer, NULL);

   /*
    * Locking jobs is a global lock that is needed
    * so that the Director can stop new jobs from being
    * added to the jcr chain while it processes a new
    * conf file and does the job_end_push().
    */
   lock_jobs();
   lock_jcr_chain();
   if (!jcrs) {
      jcrs = New(dlist(jcr, &jcr->link));
   }
   jcrs->append(jcr);
   unlock_jcr_chain();
   unlock_jobs();

   return jcr;
}