diff options
| author | Jan Synacek <jsynacek@redhat.com> | 2015-09-18 11:56:53 +0200 |
|---|---|---|
| committer | Jan Synacek <jsynacek@redhat.com> | 2015-09-21 10:05:49 +0200 |
| commit | ac5e3a505e49c80b56c971a8fc13bacac961640d (patch) | |
| tree | e3cae8e85e61140e2c4b983240ed7cff62c0ba90 /src/core/unit.c | |
| parent | 8c710f3ce64110a4cfe977116c55bd87777e641c (diff) | |
core: extend KillUnit() to return error when no unit was killed
Diffstat (limited to 'src/core/unit.c')
| -rw-r--r-- | src/core/unit.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/core/unit.c b/src/core/unit.c index 3356b97522..3a6313e4a2 100644 --- a/src/core/unit.c +++ b/src/core/unit.c @@ -3064,32 +3064,39 @@ int unit_kill_common( sd_bus_error *error) { int r = 0; + bool killed = false; - if (who == KILL_MAIN) { + if (IN_SET(who, KILL_MAIN, KILL_MAIN_FAIL)) { if (main_pid < 0) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PROCESS, "%s units have no main processes", unit_type_to_string(u->type)); else if (main_pid == 0) return sd_bus_error_set_const(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); } - if (who == KILL_CONTROL) { + if (IN_SET(who, KILL_CONTROL, KILL_CONTROL_FAIL)) { if (control_pid < 0) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_PROCESS, "%s units have no control processes", unit_type_to_string(u->type)); else if (control_pid == 0) return sd_bus_error_set_const(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); } - if (who == KILL_CONTROL || who == KILL_ALL) - if (control_pid > 0) + if (IN_SET(who, KILL_CONTROL, KILL_CONTROL_FAIL, KILL_ALL, KILL_ALL_FAIL)) + if (control_pid > 0) { if (kill(control_pid, signo) < 0) r = -errno; + else + killed = true; + } - if (who == KILL_MAIN || who == KILL_ALL) - if (main_pid > 0) + if (IN_SET(who, KILL_MAIN, KILL_MAIN_FAIL, KILL_ALL, KILL_ALL_FAIL)) + if (main_pid > 0) { if (kill(main_pid, signo) < 0) r = -errno; + else + killed = true; + } - if (who == KILL_ALL && u->cgroup_path) { + if (IN_SET(who, KILL_ALL, KILL_ALL_FAIL) && u->cgroup_path) { _cleanup_set_free_ Set *pid_set = NULL; int q; @@ -3101,8 +3108,13 @@ int unit_kill_common( q = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, signo, false, false, false, pid_set); if (q < 0 && q != -EAGAIN && q != -ESRCH && q != -ENOENT) r = q; + else + killed = true; } + if (r == 0 && !killed && IN_SET(who, KILL_ALL_FAIL, KILL_CONTROL_FAIL, KILL_ALL_FAIL)) + return -ESRCH; + return r; } |