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core: add new "flush" job mode to cancel all other jobs when queuing a new job

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Lennart Poettering 2013-11-26 02:13:41 +01:00
parent d420282b28
commit 255baef68a
3 changed files with 4 additions and 2 deletions
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3
src/core/job.c
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@ -1107,7 +1107,8 @@ static const char* const job_mode_table[_JOB_MODE_MAX] = {
[JOB_REPLACE_IRREVERSIBLY] = "replace-irreversibly",
[JOB_ISOLATE] = "isolate",
[JOB_IGNORE_DEPENDENCIES] = "ignore-dependencies",
[JOB_IGNORE_REQUIREMENTS] = "ignore-requirements"
[JOB_IGNORE_REQUIREMENTS] = "ignore-requirements",
[JOB_FLUSH] = "flush",
};
DEFINE_STRING_TABLE_LOOKUP(job_mode, JobMode);

1
src/core/job.h
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@ -84,6 +84,7 @@ enum JobMode {
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_FLUSH, /* Flush out all other queued jobs when queing this one */
JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */
JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */
_JOB_MODE_MAX,

2
src/core/transaction.c
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@ -578,7 +578,7 @@ static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) {
/* Moves the transaction jobs to the set of active jobs */
if (mode == JOB_ISOLATE) {
if (mode == JOB_ISOLATE || mode == JOB_FLUSH) {
/* When isolating first kill all installed jobs which
* aren't part of the new transaction */