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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
3 | #ifndef foojobhfoo | |
4 | #define foojobhfoo | |
5 | ||
6 | #include <stdbool.h> | |
7 | #include <inttypes.h> | |
8 | ||
9 | typedef struct Job Job; | |
e5b5ae50 | 10 | typedef struct JobDependency JobDependency; |
60918275 | 11 | typedef enum JobType JobType; |
e5b5ae50 | 12 | typedef enum JobState JobState; |
5cb5a6ff | 13 | typedef enum JobMode JobMode; |
60918275 LP |
14 | |
15 | #include "manager.h" | |
16 | #include "name.h" | |
17 | #include "hashmap.h" | |
18 | #include "list.h" | |
19 | ||
20 | enum JobType { | |
5cb5a6ff LP |
21 | JOB_START, /* if a name does not support being started, we'll just wait until it becomes active */ |
22 | JOB_VERIFY_ACTIVE, | |
23 | ||
60918275 | 24 | JOB_STOP, |
5cb5a6ff LP |
25 | |
26 | JOB_RELOAD, /* if running reload */ | |
27 | JOB_RELOAD_OR_START, /* if running reload, if not running start */ | |
28 | ||
29 | /* Note that restarts are first treated like JOB_STOP, but | |
30 | * then instead of finishing are patched to become | |
31 | * JOB_START. */ | |
32 | JOB_RESTART, /* if running stop, then start unconditionally */ | |
33 | JOB_TRY_RESTART, /* if running stop and then start */ | |
34 | ||
e5b5ae50 LP |
35 | _JOB_TYPE_MAX, |
36 | _JOB_TYPE_INVALID = -1 | |
60918275 LP |
37 | }; |
38 | ||
e5b5ae50 | 39 | enum JobState { |
60918275 LP |
40 | JOB_WAITING, |
41 | JOB_RUNNING, | |
60918275 | 42 | _JOB_STATE_MAX |
e5b5ae50 | 43 | }; |
60918275 LP |
44 | |
45 | enum JobMode { | |
46 | JOB_FAIL, | |
47 | JOB_REPLACE, | |
48 | _JOB_MODE_MAX | |
49 | }; | |
50 | ||
e5b5ae50 LP |
51 | struct JobDependency { |
52 | /* Encodes that the 'subject' job needs the 'object' job in | |
53 | * some way. This structure is used only while building a transaction. */ | |
54 | Job *subject; | |
55 | Job *object; | |
56 | ||
57 | bool matters; | |
58 | ||
59 | /* Linked list for the subjects, resp objects */ | |
60 | JobDependency *subject_prev, *subject_next; | |
61 | JobDependency *object_prev, *object_next; | |
62 | }; | |
63 | ||
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64 | struct Job { |
65 | Manager *manager; | |
66 | uint32_t id; | |
67 | ||
e5b5ae50 LP |
68 | Name *name; |
69 | ||
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70 | JobType type; |
71 | JobState state; | |
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72 | |
73 | bool linked:1; | |
e5b5ae50 | 74 | bool matters_to_anchor:1; |
5cb5a6ff | 75 | bool forced:1; |
e5b5ae50 LP |
76 | |
77 | /* These fields are used only while building a transaction */ | |
78 | Job *transaction_next, *transaction_prev; | |
79 | ||
80 | JobDependency *subject_list; | |
81 | JobDependency *object_list; | |
82 | ||
5cb5a6ff | 83 | /* Used for graph algs as a "I have been here" marker */ |
e5b5ae50 LP |
84 | Job* marker; |
85 | unsigned generation; | |
60918275 LP |
86 | }; |
87 | ||
88 | Job* job_new(Manager *m, JobType type, Name *name); | |
60918275 | 89 | void job_free(Job *job); |
ceed3570 | 90 | void job_dump(Job *j, FILE*f, const char *prefix); |
60918275 | 91 | |
e5b5ae50 LP |
92 | JobDependency* job_dependency_new(Job *subject, Job *object, bool matters); |
93 | void job_dependency_free(JobDependency *l); | |
94 | void job_dependency_delete(Job *subject, Job *object, bool *matters); | |
95 | ||
96 | bool job_is_anchor(Job *j); | |
97 | ||
98 | int job_merge(Job *j, Job *other); | |
99 | ||
1ffba6fe LP |
100 | const char* job_type_to_string(JobType t); |
101 | int job_type_merge(JobType *a, JobType b); | |
5cb5a6ff | 102 | bool job_type_is_mergeable(JobType a, JobType b); |
1ffba6fe | 103 | bool job_type_is_superset(JobType a, JobType b); |
e094e853 | 104 | bool job_type_is_conflicting(JobType a, JobType b); |
5cb5a6ff LP |
105 | bool job_type_is_applicable(JobType j, NameType n); |
106 | ||
107 | int job_run_and_invalidate(Job *j); | |
108 | int job_finish_and_invalidate(Job *j, bool success); | |
1ffba6fe | 109 | |
60918275 | 110 | #endif |