Merge pull request #31659 from YHNdnzj/freezer-followup

Freezer trivial follow-up
This commit is contained in:
Luca Boccassi 2024-03-07 22:55:56 +00:00 committed by GitHub
commit 12adbb6dc7
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4 changed files with 38 additions and 37 deletions

View file

@ -42,9 +42,6 @@
#define DEFAULT_START_LIMIT_INTERVAL (10*USEC_PER_SEC)
#define DEFAULT_START_LIMIT_BURST 5
/* Wait for 1.5 seconds at maximum for freeze operation */
#define FREEZE_TIMEOUT (1500 * USEC_PER_MSEC)
/* The default time after which exit-on-idle services exit. This
* should be kept lower than the watchdog timeout, because otherwise
* the watchdog pings will keep the loop busy. */

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@ -10,7 +10,6 @@
#include "cgroup-setup.h"
#include "cgroup-util.h"
#include "condition.h"
#include "constants.h"
#include "coredump-util.h"
#include "cpu-set-util.h"
#include "dissect-image.h"
@ -2939,6 +2938,9 @@ int bus_service_manager_reload(sd_bus *bus) {
return 0;
}
/* Wait for 1.5 seconds at maximum for freeze operation */
#define FREEZE_BUS_CALL_TIMEOUT (1500 * USEC_PER_MSEC)
int unit_freezer_new(const char *name, UnitFreezer *ret) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *namedup = NULL;
@ -2955,7 +2957,7 @@ int unit_freezer_new(const char *name, UnitFreezer *ret) {
if (r < 0)
return log_debug_errno(r, "Failed to open connection to systemd: %m");
(void) sd_bus_set_method_call_timeout(bus, FREEZE_TIMEOUT);
(void) sd_bus_set_method_call_timeout(bus, FREEZE_BUS_CALL_TIMEOUT);
*ret = (UnitFreezer) {
.name = TAKE_PTR(namedup),
@ -2964,31 +2966,6 @@ int unit_freezer_new(const char *name, UnitFreezer *ret) {
return 0;
}
static int unit_freezer_action(bool freeze, UnitFreezer *f) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(f);
assert(f->bus);
assert(f->name);
r = bus_call_method(f->bus, bus_systemd_mgr, freeze ? "FreezeUnit" : "ThawUnit",
&error, NULL, "s", f->name);
if (r < 0)
return log_debug_errno(r, "Failed to %s unit %s: %s", freeze ? "freeze" : "thaw",
f->name, bus_error_message(&error, r));
return 0;
}
int unit_freezer_freeze(UnitFreezer *f) {
return unit_freezer_action(true, f);
}
int unit_freezer_thaw(UnitFreezer *f) {
return unit_freezer_action(false, f);
}
void unit_freezer_done(UnitFreezer *f) {
assert(f);
@ -2996,6 +2973,35 @@ void unit_freezer_done(UnitFreezer *f) {
f->bus = sd_bus_flush_close_unref(f->bus);
}
static int unit_freezer_action(UnitFreezer *f, bool freeze) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(f);
assert(f->name);
assert(f->bus);
r = bus_call_method(f->bus, bus_systemd_mgr,
freeze ? "FreezeUnit" : "ThawUnit",
&error,
/* reply = */ NULL,
"s",
f->name);
if (r < 0)
return log_debug_errno(r, "Failed to %s unit %s: %s",
freeze ? "freeze" : "thaw", f->name, bus_error_message(&error, r));
return 0;
}
int unit_freezer_freeze(UnitFreezer *f) {
return unit_freezer_action(f, true);
}
int unit_freezer_thaw(UnitFreezer *f) {
return unit_freezer_action(f, false);
}
int unit_freezer_new_freeze(const char *name, UnitFreezer *ret) {
_cleanup_(unit_freezer_done) UnitFreezer f = {};
int r;

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@ -42,13 +42,11 @@ typedef struct UnitFreezer {
} UnitFreezer;
int unit_freezer_new(const char *name, UnitFreezer *ret);
void unit_freezer_done(UnitFreezer *f);
int unit_freezer_freeze(UnitFreezer *freezer);
int unit_freezer_thaw(UnitFreezer *freezer);
void unit_freezer_done(UnitFreezer *freezer);
int unit_freezer_freeze(UnitFreezer *f);
int unit_freezer_thaw(UnitFreezer *f);
int unit_freezer_new_freeze(const char *name, UnitFreezer *ret);
void unit_freezer_done_thaw(UnitFreezer *freezer);
void unit_freezer_done_thaw(UnitFreezer *f);

View file

@ -606,7 +606,7 @@ static int run(int argc, char *argv[]) {
} else
log_notice("User sessions remain unfrozen on explicit request "
"($SYSTEMD_SLEEP_FREEZE_USER_SESSIONS is set to false). This is not recommended, "
"and might result in unexpected behavior, particularly in sysupend-then-hibernate "
"and might result in unexpected behavior, particularly in suspend-then-hibernate "
"operations or setups with encrypted home directories.");
switch (arg_operation) {