X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Ftransaction.c;h=4bce9420124b7134b92ef3e70b47b6f3188a2ba8;hb=bfba3256a02a0871579c4ee48d787dfe4585fd8d;hp=8b4116806bf4cd62de045fe7c3cceef13ef45f39;hpb=1b9cea0caa85dce6d9f117638a296b141c49a8fd;p=elogind.git
diff --git a/src/core/transaction.c b/src/core/transaction.c
index 8b4116806..4bce94201 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -19,6 +19,9 @@
along with systemd; If not, see .
***/
+#include
+#include
+
#include "transaction.h"
#include "bus-errors.h"
@@ -233,7 +236,7 @@ static int transaction_merge_jobs(Transaction *tr, DBusError *e) {
t = j->type;
LIST_FOREACH(transaction, k, j->transaction_next) {
- if (job_type_merge(&t, k->type) >= 0)
+ if (job_type_merge_and_collapse(&t, k->type, j->unit) >= 0)
continue;
/* OK, we could not merge all jobs for this
@@ -259,9 +262,9 @@ static int transaction_merge_jobs(Transaction *tr, DBusError *e) {
JobType t = j->type;
Job *k;
- /* Merge all transactions */
+ /* Merge all transaction jobs for j->unit */
LIST_FOREACH(transaction, k, j->transaction_next)
- assert_se(job_type_merge(&t, k->type) == 0);
+ assert_se(job_type_merge_and_collapse(&t, k->type, j->unit) == 0);
while ((k = j->transaction_next)) {
if (tr->anchor_job == k) {
@@ -389,7 +392,7 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi
j->marker = from ? from : j;
j->generation = generation;
- /* We assume that the the dependencies are bidirectional, and
+ /* We assume that the dependencies are bidirectional, and
* hence can ignore UNIT_AFTER */
SET_FOREACH(u, j->unit->dependencies[UNIT_BEFORE], i) {
Job *o;
@@ -546,18 +549,16 @@ static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) {
/* When isolating first kill all installed jobs which
* aren't part of the new transaction */
- rescan:
HASHMAP_FOREACH(j, m->jobs, i) {
assert(j->installed);
if (hashmap_get(tr->jobs, j->unit))
continue;
- /* 'j' itself is safe to remove, but if other jobs
- are invalidated recursively, our iterator may become
- invalid and we need to start over. */
- if (job_finish_and_invalidate(j, JOB_CANCELED) > 0)
- goto rescan;
+ /* Not invalidating recursively. Avoids triggering
+ * OnFailure= actions of dependent jobs. Also avoids
+ * invalidating our iterator. */
+ job_finish_and_invalidate(j, JOB_CANCELED, false);
}
}
@@ -695,6 +696,17 @@ int transaction_activate(Transaction *tr, Manager *m, JobMode mode, DBusError *e
assert(hashmap_isempty(tr->jobs));
+ if (!hashmap_isempty(m->jobs)) {
+ /* Are there any jobs now? Then make sure we have the
+ * idle pipe around. We don't really care too much
+ * whether this works or not, as the idle pipe is a
+ * feature for cosmetics, not actually useful for
+ * anything beyond that. */
+
+ if (m->idle_pipe[0] < 0 && m->idle_pipe[1] < 0)
+ pipe2(m->idle_pipe, O_NONBLOCK|O_CLOEXEC);
+ }
+
return 0;
}
@@ -797,6 +809,7 @@ int transaction_add_job_and_dependencies(
assert(tr);
assert(type < _JOB_TYPE_MAX);
+ assert(type < _JOB_TYPE_MAX_IN_TRANSACTION);
assert(unit);
/* log_debug("Pulling in %s/%s from %s/%s", */
@@ -847,7 +860,8 @@ int transaction_add_job_and_dependencies(
assert(!tr->anchor_job);
tr->anchor_job = ret;
}
- if (is_new && !ignore_requirements) {
+
+ if (is_new && !ignore_requirements && type != JOB_NOP) {
Set *following;
/* If we are following some other unit, make sure we
@@ -867,7 +881,7 @@ int transaction_add_job_and_dependencies(
}
/* Finally, recursively add in all dependencies. */
- if (type == JOB_START || type == JOB_RELOAD_OR_START || type == JOB_RESTART) {
+ if (type == JOB_START || type == JOB_RESTART) {
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUIRES], i) {
r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, true, override, false, false, ignore_order, e);
if (r < 0) {
@@ -879,7 +893,7 @@ int transaction_add_job_and_dependencies(
}
}
- SET_FOREACH(dep, ret->unit->dependencies[UNIT_BIND_TO], i) {
+ SET_FOREACH(dep, ret->unit->dependencies[UNIT_BINDS_TO], i) {
r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, true, override, false, false, ignore_order, e);
if (r < 0) {
if (r != -EBADR)
@@ -957,7 +971,7 @@ int transaction_add_job_and_dependencies(
}
- if (type == JOB_STOP || type == JOB_RESTART || type == JOB_TRY_RESTART) {
+ if (type == JOB_STOP || type == JOB_RESTART) {
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUIRED_BY], i) {
r = transaction_add_job_and_dependencies(tr, type, dep, ret, true, override, false, false, ignore_order, e);
@@ -980,11 +994,23 @@ int transaction_add_job_and_dependencies(
dbus_error_free(e);
}
}
+
+ SET_FOREACH(dep, ret->unit->dependencies[UNIT_CONSISTS_OF], i) {
+ r = transaction_add_job_and_dependencies(tr, type, dep, ret, true, override, false, false, ignore_order, e);
+ if (r < 0) {
+ if (r != -EBADR)
+ goto fail;
+
+ if (e)
+ dbus_error_free(e);
+ }
+ }
+
}
- if (type == JOB_RELOAD || type == JOB_RELOAD_OR_START) {
+ if (type == JOB_RELOAD) {
- SET_FOREACH(dep, ret->unit->dependencies[UNIT_PROPAGATE_RELOAD_TO], i) {
+ SET_FOREACH(dep, ret->unit->dependencies[UNIT_PROPAGATES_RELOAD_TO], i) {
r = transaction_add_job_and_dependencies(tr, JOB_RELOAD, dep, ret, false, override, false, false, ignore_order, e);
if (r < 0) {
log_warning("Cannot add dependency reload job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
@@ -995,7 +1021,7 @@ int transaction_add_job_and_dependencies(
}
}
- /* JOB_VERIFY_STARTED, JOB_RELOAD require no dependency handling */
+ /* JOB_VERIFY_STARTED require no dependency handling */
}
return 0;