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job: jobs shouldn't need to know about transaction anchors

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Let the transactions maintain their own anchor links.
This commit is contained in:
Michal Schmidt 2012-04-18 15:21:24 +02:00
parent 668ad332a4
commit 1da4264fbd
3 changed files with 19 additions and 12 deletions
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8
src/core/job.c
View File

@ -96,7 +96,7 @@ void job_free(Job *j) {
free(j);
}
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts, Transaction *tr) {
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts) {
JobDependency *l;
assert(object);
@ -116,21 +116,17 @@ JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool
if (subject)
LIST_PREPEND(JobDependency, subject, subject->subject_list, l);
else
LIST_PREPEND(JobDependency, subject, tr->anchor, l);
LIST_PREPEND(JobDependency, object, object->object_list, l);
return l;
}
void job_dependency_free(JobDependency *l, Transaction *tr) {
void job_dependency_free(JobDependency *l) {
assert(l);
if (l->subject)
LIST_REMOVE(JobDependency, subject, l->subject->subject_list, l);
else
LIST_REMOVE(JobDependency, subject, tr->anchor, l);
LIST_REMOVE(JobDependency, object, l->object->object_list, l);

5
src/core/job.h
View File

@ -34,7 +34,6 @@ typedef enum JobMode JobMode;
typedef enum JobResult JobResult;
#include "manager.h"
#include "transaction.h"
#include "unit.h"
#include "hashmap.h"
#include "list.h"
@ -142,8 +141,8 @@ void job_uninstall(Job *j);
void job_free(Job *job);
void job_dump(Job *j, FILE*f, const char *prefix);
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts, Transaction *tr);
void job_dependency_free(JobDependency *l, Transaction *tr);
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters, bool conflicts);
void job_dependency_free(JobDependency *l);
bool job_is_anchor(Job *j);

18
src/core/transaction.c
View File

@ -789,6 +789,12 @@ static Job* transaction_add_one_job(Transaction *tr, JobType type, Unit *unit, b
return j;
}
static void transaction_job_dependency_free(Transaction *tr, JobDependency *l) {
if (!l->subject)
LIST_REMOVE(JobDependency, subject, tr->anchor, l);
job_dependency_free(l);
}
static void transaction_unlink_job(Transaction *tr, Job *j, bool delete_dependencies) {
assert(tr);
assert(j);
@ -806,12 +812,12 @@ static void transaction_unlink_job(Transaction *tr, Job *j, bool delete_dependen
j->transaction_prev = j->transaction_next = NULL;
while (j->subject_list)
job_dependency_free(j->subject_list, tr);
transaction_job_dependency_free(tr, j->subject_list);
while (j->object_list) {
Job *other = j->object_list->matters ? j->object_list->subject : NULL;
job_dependency_free(j->object_list, tr);
transaction_job_dependency_free(tr, j->object_list);
if (other && delete_dependencies) {
log_debug("Deleting job %s/%s as dependency of job %s/%s",
@ -835,6 +841,7 @@ int transaction_add_job_and_dependencies(
DBusError *e,
Job **_ret) {
Job *ret;
JobDependency *l;
Iterator i;
Unit *dep;
int r;
@ -884,9 +891,14 @@ int transaction_add_job_and_dependencies(
ret->ignore_order = ret->ignore_order || ignore_order;
/* Then, add a link to the job. */
if (!job_dependency_new(by, ret, matters, conflicts, tr))
l = job_dependency_new(by, ret, matters, conflicts);
if (!l)
return -ENOMEM;
/* If the link has no subject job, it's the anchor link. */
if (!by)
LIST_PREPEND(JobDependency, subject, tr->anchor, l);
if (is_new && !ignore_requirements) {
Set *following;