X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fjob.h;h=60bb87d75a83bf9b94b93b49167a8439069a4a5d;hb=718db96199e;hp=2e10143d2bc03b435107ef10bb46ea86b5dfcfd7;hpb=e0209d83e7b30153f43b1a633c955f66eb2c2e4a;p=elogind.git diff --git a/src/core/job.h b/src/core/job.h index 2e10143d2..60bb87d75 100644 --- a/src/core/job.h +++ b/src/core/job.h @@ -1,7 +1,6 @@ /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ -#ifndef foojobhfoo -#define foojobhfoo +#pragma once /*** This file is part of systemd. @@ -28,17 +27,11 @@ typedef struct Job Job; typedef struct JobDependency JobDependency; -typedef struct JobBusClient JobBusClient; typedef enum JobType JobType; typedef enum JobState JobState; typedef enum JobMode JobMode; typedef enum JobResult JobResult; -#include "manager.h" -#include "unit.h" -#include "hashmap.h" -#include "list.h" - /* Be careful when changing the job types! Adjust job_merging_table[] accordingly! */ enum JobType { JOB_START, /* if a unit does not support being started, we'll just wait until it becomes active */ @@ -89,6 +82,7 @@ enum JobState { enum JobMode { JOB_FAIL, /* Fail if a conflicting job is already queued */ JOB_REPLACE, /* Replace an existing conflicting job */ + JOB_REPLACE_IRREVERSIBLY, /* Like JOB_REPLACE + produce irreversible jobs */ JOB_ISOLATE, /* Start a unit, and stop all others */ JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */ JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */ @@ -97,16 +91,22 @@ enum JobMode { }; enum JobResult { - JOB_DONE, - JOB_CANCELED, - JOB_TIMEOUT, - JOB_FAILED, - JOB_DEPENDENCY, - JOB_SKIPPED, + JOB_DONE, /* Job completed successfully */ + JOB_CANCELED, /* Job canceled by a conflicting job installation or by explicit cancel request */ + JOB_TIMEOUT, /* JobTimeout elapsed */ + JOB_FAILED, /* Job failed */ + JOB_DEPENDENCY, /* A required dependency job did not result in JOB_DONE */ + JOB_SKIPPED, /* JOB_RELOAD of inactive unit; negative result of JOB_VERIFY_ACTIVE */ _JOB_RESULT_MAX, _JOB_RESULT_INVALID = -1 }; +#include "sd-event.h" +#include "manager.h" +#include "unit.h" +#include "hashmap.h" +#include "list.h" + struct JobDependency { /* Encodes that the 'subject' job needs the 'object' job in * some way. This structure is used only while building a transaction. */ @@ -120,13 +120,6 @@ struct JobDependency { bool conflicts; }; -struct JobBusClient { - LIST_FIELDS(JobBusClient, client); - /* Note that this bus object is not ref counted here. */ - DBusConnection *bus; - char name[0]; -}; - struct Job { Manager *manager; Unit *unit; @@ -147,10 +140,11 @@ struct Job { JobType type; JobState state; - Watch timer_watch; + sd_event_source *timer_event_source; + usec_t begin_usec; /* There can be more than one client, because of job merging. */ - LIST_HEAD(JobBusClient, bus_client_list); + Set *subscribed; JobResult result; @@ -162,10 +156,9 @@ struct Job { bool sent_dbus_new_signal:1; bool ignore_order:1; bool forgot_bus_clients:1; + bool irreversible:1; }; -JobBusClient* job_bus_client_new(DBusConnection *connection, const char *name); - Job* job_new(Unit *unit, JobType type); Job* job_new_raw(Unit *unit); void job_free(Job *job); @@ -182,22 +175,22 @@ void job_dependency_free(JobDependency *l); int job_merge(Job *j, Job *other); -JobType job_type_lookup_merge(JobType a, JobType b); +JobType job_type_lookup_merge(JobType a, JobType b) _pure_; -static inline bool job_type_is_mergeable(JobType a, JobType b) { +_pure_ static inline bool job_type_is_mergeable(JobType a, JobType b) { return job_type_lookup_merge(a, b) >= 0; } -static inline bool job_type_is_conflicting(JobType a, JobType b) { +_pure_ static inline bool job_type_is_conflicting(JobType a, JobType b) { return !job_type_is_mergeable(a, b); } -static inline bool job_type_is_superset(JobType a, JobType b) { +_pure_ static inline bool job_type_is_superset(JobType a, JobType b) { /* Checks whether operation a is a "superset" of b in its actions */ return a == job_type_lookup_merge(a, b); } -bool job_type_is_redundant(JobType a, UnitActiveState b); +bool job_type_is_redundant(JobType a, UnitActiveState b) _pure_; /* Collapses a state-dependent job type into a simpler type by observing * the state of the unit which it is going to be applied to. */ @@ -205,29 +198,26 @@ void job_type_collapse(JobType *t, Unit *u); int job_type_merge_and_collapse(JobType *a, JobType b, Unit *u); -bool job_is_runnable(Job *j); - void job_add_to_run_queue(Job *j); void job_add_to_dbus_queue(Job *j); int job_start_timer(Job *j); -void job_timer_event(Job *j, uint64_t n_elapsed, Watch *w); int job_run_and_invalidate(Job *j); int job_finish_and_invalidate(Job *j, JobResult result, bool recursive); char *job_dbus_path(Job *j); -const char* job_type_to_string(JobType t); -JobType job_type_from_string(const char *s); +void job_shutdown_magic(Job *j); -const char* job_state_to_string(JobState t); -JobState job_state_from_string(const char *s); +const char* job_type_to_string(JobType t) _const_; +JobType job_type_from_string(const char *s) _pure_; -const char* job_mode_to_string(JobMode t); -JobMode job_mode_from_string(const char *s); +const char* job_state_to_string(JobState t) _const_; +JobState job_state_from_string(const char *s) _pure_; -const char* job_result_to_string(JobResult t); -JobResult job_result_from_string(const char *s); +const char* job_mode_to_string(JobMode t) _const_; +JobMode job_mode_from_string(const char *s) _pure_; -#endif +const char* job_result_to_string(JobResult t) _const_; +JobResult job_result_from_string(const char *s) _pure_;