X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fservice.c;h=978dca9341d82918313887eebc551da47f5e42da;hb=294d81f124568983323a53f40bfbaa371f0da077;hp=481c044b6317bf80d53dc1a58cd4835d6f7a2d09;hpb=7740296dcf581bbaaffa74f6f97a97d1def85e12;p=elogind.git diff --git a/src/service.c b/src/service.c index 481c044b6..978dca934 100644 --- a/src/service.c +++ b/src/service.c @@ -49,20 +49,28 @@ static const struct { const char *target; const RunlevelType type; } rcnd_table[] = { - /* Standard SysV runlevels */ - { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, + /* Standard SysV runlevels for start-up */ { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, - { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }, /* SUSE style boot.d */ { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, /* Debian style rcS.d */ { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, + + /* Standard SysV runlevels for shutdown */ + { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, + { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } + + /* Note that the order here matters, as we read the + directories in this order, and we want to make sure that + sysv_start_priority is known when we first load the + unit. And that value we only know from S links. Hence + UP/SYSINIT must be read before DOWN */ }; #define RUNLEVELS_UP "12345" @@ -546,8 +554,10 @@ static int service_load_sysv_path(Service *s, const char *path) { if (unit_name_to_type(m) == UNIT_SERVICE) r = unit_add_name(u, m); + else if (s->sysv_start_priority >= 0) + r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_WANTS, m, NULL, true); else - r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_REQUIRES, m, NULL, true); + r = unit_add_dependency_by_name_inverse(u, UNIT_AFTER, m, NULL, true); free(m); @@ -1179,6 +1189,11 @@ static void service_set_state(Service *s, ServiceState state) { service_connection_unref(s); } + /* For the inactive states unit_notify() will trim the cgroup, + * but for exit we have to do that ourselves... */ + if (state == SERVICE_EXITED) + cgroup_bonding_trim_list(s->meta.cgroup_bondings, true); + if (old_state != state) log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state)); @@ -1841,7 +1856,8 @@ static void service_run_next(Service *s, bool success) { false, !s->permissions_start_only, !s->root_directory_start_only, - false, + s->control_command_id == SERVICE_EXEC_START_PRE || + s->control_command_id == SERVICE_EXEC_STOP_POST, false, &s->control_pid)) < 0) goto fail; @@ -1890,6 +1906,14 @@ static int service_start(Unit *u) { return -ECANCELED; } + if ((s->exec_context.std_input == EXEC_INPUT_SOCKET || + s->exec_context.std_output == EXEC_OUTPUT_SOCKET || + s->exec_context.std_error == EXEC_OUTPUT_SOCKET) && + s->socket_fd < 0) { + log_warning("%s can only be started with a per-connection socket.", u->meta.id); + return -EINVAL; + } + s->failure = false; s->main_pid_known = false; s->allow_restart = true; @@ -2171,7 +2195,6 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { assert(pid >= 0); success = is_clean_exit(code, status); - s->failure = s->failure || !success; if (s->main_pid == pid) { @@ -2181,9 +2204,14 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { if (s->type != SERVICE_FORKING) { assert(s->exec_command[SERVICE_EXEC_START]); s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status; + + if (s->exec_command[SERVICE_EXEC_START]->ignore) + success = true; } - log_debug("%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status); + log_full(success ? LOG_DEBUG : LOG_NOTICE, + "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status); + s->failure = s->failure || !success; /* The service exited, so the service is officially * gone. */ @@ -2230,12 +2258,18 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { } else if (s->control_pid == pid) { - if (s->control_command) + if (s->control_command) { exec_status_exit(&s->control_command->exec_status, pid, code, status); + if (s->control_command->ignore) + success = true; + } + s->control_pid = 0; - log_debug("%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); + log_full(success ? LOG_DEBUG : LOG_NOTICE, + "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); + s->failure = s->failure || !success; /* If we are shutting things down anyway we * don't care about failing commands. */ @@ -2454,7 +2488,7 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) { s->state == SERVICE_RELOAD)) { if (parse_pid(e + 8, &pid) < 0) - log_warning("Failed to parse %s", e); + log_warning("Failed to parse notification message %s", e); else { log_debug("%s: got %s", u->meta.id, e); service_set_main_pid(s, pid); @@ -2710,6 +2744,17 @@ int service_set_socket_fd(Service *s, int fd, Socket *sock) { return 0; } +static void service_reset_maintenance(Unit *u) { + Service *s = SERVICE(u); + + assert(s); + + if (s->state == SERVICE_MAINTENANCE) + service_set_state(s, SERVICE_DEAD); + + s->failure = false; +} + static const char* const service_state_table[_SERVICE_STATE_MAX] = { [SERVICE_DEAD] = "dead", [SERVICE_START_PRE] = "start-pre", @@ -2797,6 +2842,8 @@ const UnitVTable service_vtable = { .sigchld_event = service_sigchld_event, .timer_event = service_timer_event, + .reset_maintenance = service_reset_maintenance, + .cgroup_notify_empty = service_cgroup_notify_event, .notify_message = service_notify_message,