X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=service.c;h=e5a9658bcfa7784edef26acb0cf17f917998c194;hp=8a0034936f57baeadc7eaed8675bcc167a08ff06;hb=1a63a750108b280070ed43e0dc02adb2c99c97cb;hpb=0bc824be78848cdf12f19aff4144666dc4114858 diff --git a/service.c b/service.c index 8a0034936..e5a9658bc 100644 --- a/service.c +++ b/service.c @@ -157,7 +157,10 @@ static int sysv_chkconfig_order(Service *s) { if (t->sysv_start_priority < 0) continue; - if (s->sysv_has_lsb && t->sysv_has_lsb) + /* If both units have modern headers we don't care + * about the priorities */ + if ((!s->sysv_path || s->sysv_has_lsb) && + (!t->sysv_path || t->sysv_has_lsb)) continue; if (t->sysv_start_priority < s->sysv_start_priority) @@ -700,8 +703,12 @@ static int service_init(Unit *u, UnitLoadState *new_state) { s->sysv_start_priority = -1; s->permissions_start_only = false; s->root_directory_start_only = false; - + s->valid_no_process = false; + s->kill_mode = 0; s->sysv_has_lsb = false; + s->main_pid = s->control_pid = 0; + s->main_pid_known = false; + s->failure = false; RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); @@ -755,13 +762,25 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) { "%sPermissionsStartOnly: %s\n" "%sRootDirectoryStartOnly: %s\n" "%sValidNoProcess: %s\n" + "%sKillMode: %s\n" "%sType: %s\n", prefix, service_state_to_string(s->state), prefix, yes_no(s->permissions_start_only), prefix, yes_no(s->root_directory_start_only), prefix, yes_no(s->valid_no_process), + prefix, kill_mode_to_string(s->kill_mode), prefix, service_type_to_string(s->type)); + if (s->control_pid > 0) + fprintf(f, + "%sControl PID: %llu\n", + prefix, (unsigned long long) s->control_pid); + + if (s->main_pid > 0) + fprintf(f, + "%sMain PID: %llu\n", + prefix, (unsigned long long) s->main_pid); + if (s->pid_file) fprintf(f, "%sPIDFile: %s\n", @@ -823,7 +842,17 @@ static int service_load_pid_file(Service *s) { if ((unsigned long) (pid_t) p != p) return -ERANGE; - s->main_pid = p; + if (kill((pid_t) p, 0) < 0 && errno != EPERM) { + log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.", + (unsigned long long) p, s->pid_file); + return -ESRCH; + } + + if ((r = unit_watch_pid(UNIT(s), (pid_t) p)) < 0) + /* FIXME: we need to do something here */ + return r; + + s->main_pid = (pid_t) p; s->main_pid_known = true; return 0; @@ -962,6 +991,9 @@ static void service_set_state(Service *s, ServiceState state) { state == SERVICE_AUTO_RESTART) service_notify_sockets(s); + if (old_state == state) + return; + log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state)); unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); @@ -1154,23 +1186,34 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) { sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL; - r = 0; - if (s->main_pid > 0) { - if (kill(s->main_pid, sig) < 0 && errno != ESRCH) - r = -errno; - else - sent = true; - } + if (s->kill_mode == KILL_CONTROL_GROUP) { - if (s->control_pid > 0) { - if (kill(s->control_pid, sig) < 0 && errno != ESRCH) - r = -errno; - else + if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) { + if (r != -EAGAIN && r != -ESRCH) + goto fail; + } else sent = true; } - if (r < 0) - goto fail; + if (!sent) { + r = 0; + if (s->main_pid > 0) { + if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH) + r = -errno; + else + sent = true; + } + + if (s->control_pid > 0) { + if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH) + r = -errno; + else + sent = true; + } + + if (r < 0) + goto fail; + } } service_set_state(s, state); @@ -1538,7 +1581,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status; } - log_debug("%s: main process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); + log_debug("%s: main process exited, code=%s, status=%i", unit_id(u), sigchld_code_to_string(code), status); /* The service exited, so the service is officially * gone. */