job.c

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #include <assert.h>
   4
   5 #include "macro.h"
   6 #include "job.h"
   7
   8 Job* job_new(Manager *m, JobType type, Name *name) {
   9         Job *j;
  10
  11         assert(m);
  12         assert(type < _JOB_TYPE_MAX);
  13         assert(name);
  14
  15         if (!(j = new0(Job, 1)))
  16                 return NULL;
  17
  18         j->manager = m;
  19         j->id = m->current_job_id++;
  20         j->type = type;
  21         j->name = name;
  22
  23         /* We don't link it here, that's what job_link() is for */
  24
  25         return j;
  26 }
  27
  28 int job_link(Job *j) {
  29         int r;
  30
  31         assert(j);
  32         assert(!j->linked);
  33
  34         if ((r = hashmap_put(j->manager->jobs, UINT32_TO_PTR(j->id), j)) < 0)
  35                 return r;
  36
  37         j->name->meta.job = j;
  38
  39         j->linked = true;
  40
  41         return 0;
  42 }
  43
  44 void job_free(Job *j) {
  45         assert(j);
  46
  47         /* Detach from next 'bigger' objects */
  48
  49         if (j->linked) {
  50                 assert(j->name);
  51                 assert(j->name->meta.job == j);
  52                 j->name->meta.job = NULL;
  53
  54                 hashmap_remove(j->manager->jobs, UINT32_TO_PTR(j->id));
  55         }
  56
  57         hashmap_remove(j->manager->jobs_to_add, j->name);
  58         set_remove(j->manager->jobs_to_remove, j);
  59
  60         /* Free data and next 'smaller' objects */
  61         free(j);
  62 }