diff options
Diffstat (limited to 'src/systemctl/systemctl-is-active.c')
-rw-r--r-- | src/systemctl/systemctl-is-active.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-is-active.c b/src/systemctl/systemctl-is-active.c new file mode 100644 index 0000000..7218e90 --- /dev/null +++ b/src/systemctl/systemctl-is-active.c @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "bus-error.h" +#include "bus-locator.h" +#include "pretty-print.h" +#include "syslog-util.h" +#include "systemctl-is-active.h" +#include "systemctl-sysv-compat.h" +#include "systemctl-util.h" +#include "systemctl.h" + +static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) { + _cleanup_strv_free_ char **names = NULL; + UnitActiveState active_state; + sd_bus *bus; + int r; + bool found = false; + + r = acquire_bus(BUS_MANAGER, &bus); + if (r < 0) + return r; + + r = expand_unit_names(bus, args, NULL, &names, NULL); + if (r < 0) + return log_error_errno(r, "Failed to expand names: %m"); + + STRV_FOREACH(name, names) { + r = get_state_one_unit(bus, *name, &active_state); + if (r < 0) + return r; + + if (!arg_quiet) + puts(unit_active_state_to_string(active_state)); + + for (int i = 0; i < nb_states; ++i) + if (good_states[i] == active_state) + found = true; + } + + /* use the given return code for the case that we won't find + * any unit which matches the list */ + return found ? 0 : code; +} + +int verb_is_active(int argc, char *argv[], void *userdata) { + static const UnitActiveState states[] = { + UNIT_ACTIVE, + UNIT_RELOADING, + }; + + /* According to LSB: 3, "program is not running" */ + return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1)); +} + +int verb_is_failed(int argc, char *argv[], void *userdata) { + static const UnitActiveState states[] = { + UNIT_FAILED, + }; + + return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1)); +} |