]>
Commit | Line | Data |
---|---|---|
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ | |
2 | ||
3 | #ifndef foojobhfoo | |
4 | #define foojobhfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
25 | #include <stdbool.h> | |
26 | #include <inttypes.h> | |
27 | ||
28 | typedef struct Job Job; | |
29 | typedef struct JobDependency JobDependency; | |
30 | typedef enum JobType JobType; | |
31 | typedef enum JobState JobState; | |
32 | typedef enum JobMode JobMode; | |
33 | ||
34 | #include "manager.h" | |
35 | #include "unit.h" | |
36 | #include "hashmap.h" | |
37 | #include "list.h" | |
38 | ||
39 | enum JobType { | |
40 | JOB_START, /* if a unit does not support being started, we'll just wait until it becomes active */ | |
41 | JOB_VERIFY_ACTIVE, | |
42 | ||
43 | JOB_STOP, | |
44 | ||
45 | JOB_RELOAD, /* if running reload */ | |
46 | JOB_RELOAD_OR_START, /* if running reload, if not running start */ | |
47 | ||
48 | /* Note that restarts are first treated like JOB_STOP, but | |
49 | * then instead of finishing are patched to become | |
50 | * JOB_START. */ | |
51 | JOB_RESTART, /* if running stop, then start unconditionally */ | |
52 | JOB_TRY_RESTART, /* if running stop and then start */ | |
53 | ||
54 | _JOB_TYPE_MAX, | |
55 | _JOB_TYPE_INVALID = -1 | |
56 | }; | |
57 | ||
58 | enum JobState { | |
59 | JOB_WAITING, | |
60 | JOB_RUNNING, | |
61 | _JOB_STATE_MAX, | |
62 | _JOB_STATE_INVALID = -1 | |
63 | }; | |
64 | ||
65 | enum JobMode { | |
66 | JOB_FAIL, | |
67 | JOB_REPLACE, | |
68 | JOB_ISOLATE, | |
69 | _JOB_MODE_MAX, | |
70 | _JOB_MODE_INVALID = -1 | |
71 | }; | |
72 | ||
73 | struct JobDependency { | |
74 | /* Encodes that the 'subject' job needs the 'object' job in | |
75 | * some way. This structure is used only while building a transaction. */ | |
76 | Job *subject; | |
77 | Job *object; | |
78 | ||
79 | LIST_FIELDS(JobDependency, subject); | |
80 | LIST_FIELDS(JobDependency, object); | |
81 | ||
82 | bool matters; | |
83 | }; | |
84 | ||
85 | struct Job { | |
86 | Manager *manager; | |
87 | Unit *unit; | |
88 | ||
89 | LIST_FIELDS(Job, transaction); | |
90 | LIST_FIELDS(Job, run_queue); | |
91 | LIST_FIELDS(Job, dbus_queue); | |
92 | ||
93 | LIST_HEAD(JobDependency, subject_list); | |
94 | LIST_HEAD(JobDependency, object_list); | |
95 | ||
96 | /* Used for graph algs as a "I have been here" marker */ | |
97 | Job* marker; | |
98 | unsigned generation; | |
99 | ||
100 | uint32_t id; | |
101 | ||
102 | JobType type; | |
103 | JobState state; | |
104 | ||
105 | bool installed:1; | |
106 | bool in_run_queue:1; | |
107 | bool matters_to_anchor:1; | |
108 | bool override:1; | |
109 | bool in_dbus_queue:1; | |
110 | bool sent_dbus_new_signal:1; | |
111 | }; | |
112 | ||
113 | Job* job_new(Manager *m, JobType type, Unit *unit); | |
114 | void job_free(Job *job); | |
115 | void job_dump(Job *j, FILE*f, const char *prefix); | |
116 | ||
117 | JobDependency* job_dependency_new(Job *subject, Job *object, bool matters); | |
118 | void job_dependency_free(JobDependency *l); | |
119 | void job_dependency_delete(Job *subject, Job *object, bool *matters); | |
120 | ||
121 | bool job_is_anchor(Job *j); | |
122 | ||
123 | int job_merge(Job *j, Job *other); | |
124 | ||
125 | int job_type_merge(JobType *a, JobType b); | |
126 | bool job_type_is_mergeable(JobType a, JobType b); | |
127 | bool job_type_is_superset(JobType a, JobType b); | |
128 | bool job_type_is_conflicting(JobType a, JobType b); | |
129 | bool job_type_is_redundant(JobType a, UnitActiveState b); | |
130 | ||
131 | bool job_is_runnable(Job *j); | |
132 | ||
133 | void job_add_to_run_queue(Job *j); | |
134 | void job_add_to_dbus_queue(Job *j); | |
135 | ||
136 | int job_run_and_invalidate(Job *j); | |
137 | int job_finish_and_invalidate(Job *j, bool success); | |
138 | ||
139 | const char* job_type_to_string(JobType t); | |
140 | JobType job_type_from_string(const char *s); | |
141 | ||
142 | const char* job_state_to_string(JobState t); | |
143 | JobState job_state_from_string(const char *s); | |
144 | ||
145 | const char* job_mode_to_string(JobMode t); | |
146 | JobMode job_mode_from_string(const char *s); | |
147 | ||
148 | char *job_dbus_path(Job *j); | |
149 | ||
150 | #endif |