projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| daf71ef6 LP |
2 | |
| 3 | #include "bus-error.h" | |
| 4 | #include "bus-locator.h" | |
| 5 | #include "systemctl-daemon-reload.h" | |
| 6 | #include "systemctl-util.h" | |
| 7 | #include "systemctl.h" | |
| 8 | ||
| 9 | int daemon_reload(int argc, char *argv[], void *userdata) { | |
| 10 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
| 11 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
| 12 | const char *method; | |
| 13 | sd_bus *bus; | |
| 14 | int r; | |
| 15 | ||
| 16 | r = acquire_bus(BUS_MANAGER, &bus); | |
| 17 | if (r < 0) | |
| 18 | return r; | |
| 19 | ||
| 20 | polkit_agent_open_maybe(); | |
| 21 | ||
| 22 | switch (arg_action) { | |
| 23 | ||
| 24 | case ACTION_RELOAD: | |
| 25 | method = "Reload"; | |
| 26 | break; | |
| 27 | ||
| 28 | case ACTION_REEXEC: | |
| 29 | method = "Reexecute"; | |
| 30 | break; | |
| 31 | ||
| 32 | case ACTION_SYSTEMCTL: | |
| 33 | method = streq(argv[0], "daemon-reexec") ? "Reexecute" : | |
| 34 | /* "daemon-reload" */ "Reload"; | |
| 35 | break; | |
| 36 | ||
| 37 | default: | |
| 38 | assert_not_reached("Unexpected action"); | |
| 39 | } | |
| 40 | ||
| 41 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, method); | |
| 42 | if (r < 0) | |
| 43 | return bus_log_create_error(r); | |
| 44 | ||
| 45 | /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are | |
| 46 | * rerun which are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the | |
| 47 | * generators can have their timeout, and for everything else there's the same time budget in | |
| 48 | * place. */ | |
| 49 | ||
| 50 | r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL); | |
| 51 | ||
| 52 | /* On reexecution, we expect a disconnect, not a reply */ | |
| 53 | if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute")) | |
| 54 | r = 0; | |
| 55 | ||
| 56 | if (r < 0 && arg_action == ACTION_SYSTEMCTL) | |
| 57 | return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r)); | |
| 58 | ||
| 59 | /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support | |
| 60 | * fallbacks to the old ways of doing things, hence don't log any error in that case here. */ | |
| 61 | ||
| 62 | return r < 0 ? r : 0; | |
| 63 | } |