chiark / gitweb /
2cf8be5330687bb8c18bbd9d03ac30269e3efa6f
[elogind.git] / 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 }
63
64 void job_dump(Job *j, FILE*f) {
65
66         static const char* const job_type_table[_JOB_TYPE_MAX] = {
67                 [JOB_START] = "start",
68                 [JOB_STOP] = "stop",
69                 [JOB_VERIFY_STARTED] = "verify-started",
70                 [JOB_RELOAD] = "reload",
71                 [JOB_RESTART] = "restart",
72                 [JOB_TRY_RESTART] = "try-restart",
73                 [JOB_RESTART_FINISH] = "restart-finish"
74         };
75
76         static const char* const job_state_table[_JOB_STATE_MAX] = {
77                 [JOB_WAITING] = "waiting",
78                 [JOB_RUNNING] = "running",
79                 [JOB_DONE] = "done"
80         };
81
82         assert(j);
83         assert(f);
84
85         fprintf(f, "Job %u (%s) →%s in state %s\n",
86                 j->id,
87                 name_id(j->name),
88                 job_type_table[j->type],
89                 job_state_table[j->state]);
90 }