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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "bus-error.h"
#include "bus-locator.h"
#include "bus-wait-for-units.h"
#include "systemctl-kill.h"
#include "systemctl-util.h"
#include "systemctl.h"
int verb_kill(int argc, char *argv[], void *userdata) {
_cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
_cleanup_strv_free_ char **names = NULL;
const char *kill_whom;
sd_bus *bus;
int r, q;
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
if (arg_wait) {
r = bus_wait_for_units_new(bus, &w);
if (r < 0)
return log_error_errno(r, "Failed to allocate unit watch context: %m");
}
polkit_agent_open_maybe();
kill_whom = arg_kill_whom ?: "all";
/* --fail was specified */
if (streq(arg_job_mode(), "fail"))
kill_whom = strjoina(kill_whom, "-fail");
r = expand_unit_names(bus, strv_skip(argv, 1), NULL, &names, NULL);
if (r < 0)
return log_error_errno(r, "Failed to expand names: %m");
STRV_FOREACH(name, names) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
if (arg_kill_value_set)
q = bus_call_method(
bus,
bus_systemd_mgr,
"QueueSignalUnit",
&error,
NULL,
"ssii", *name, kill_whom, arg_signal, arg_kill_value);
else
q = bus_call_method(
bus,
bus_systemd_mgr,
"KillUnit",
&error,
NULL,
"ssi", *name, kill_whom, arg_signal);
if (q < 0) {
RET_GATHER(r, log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q)));
continue;
}
if (w) {
q = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
if (q < 0)
RET_GATHER(r, log_error_errno(q, "Failed to watch unit %s: %m", *name));
}
}
if (w) {
q = bus_wait_for_units_run(w);
if (q < 0)
return log_error_errno(q, "Failed to wait for units: %m");
if (q == BUS_WAIT_FAILURE)
RET_GATHER(r, -EIO);
}
return r;
}
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