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path unit: add TriggerLimitBurst= and TriggerLimitIntervalSec=

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Given there's now a default for these settings, also allow users to configure
them, matching socket units
This commit is contained in:
Luca Boccassi
2021-12-18 23:17:53 +00:00
parent ef1aa10692
commit 47dba9fb09
7 changed files with 63 additions and 4 deletions
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src/core/path.c
+18 -4
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@@ -266,8 +266,8 @@ static void path_init(Unit *u) {
p->directory_mode = 0755;
p->trigger_limit.interval = 2 * USEC_PER_SEC;
p->trigger_limit.burst = 200;
p->trigger_limit.interval = USEC_INFINITY;
p->trigger_limit.burst = UINT_MAX;
}
void path_free_specs(Path *p) {
@@ -356,6 +356,16 @@ static int path_add_trigger_dependencies(Path *p) {
static int path_add_extras(Path *p) {
int r;
assert(p);
/* To avoid getting pid1 in a busy-loop state (eg: failed condition on associated service),
* set a default trigger limit if the user didn't specify any. */
if (p->trigger_limit.interval == USEC_INFINITY)
p->trigger_limit.interval = 2 * USEC_PER_SEC;
if (p->trigger_limit.burst == UINT_MAX)
p->trigger_limit.burst = 200;
r = path_add_trigger_dependencies(p);
if (r < 0)
return r;
@@ -403,12 +413,16 @@ static void path_dump(Unit *u, FILE *f, const char *prefix) {
"%sResult: %s\n"
"%sUnit: %s\n"
"%sMakeDirectory: %s\n"
"%sDirectoryMode: %04o\n",
"%sDirectoryMode: %04o\n"
"%sTriggerLimitIntervalSec: %s\n"
"%sTriggerLimitBurst: %u\n",
prefix, path_state_to_string(p->state),
prefix, path_result_to_string(p->result),
prefix, trigger ? trigger->id : "n/a",
prefix, yes_no(p->make_directory),
prefix, p->directory_mode);
prefix, p->directory_mode,
prefix, FORMAT_TIMESPAN(p->trigger_limit.interval, USEC_PER_SEC),
prefix, p->trigger_limit.burst);
LIST_FOREACH(spec, s, p->specs)
path_spec_dump(s, f, prefix);