#include <signal.h>
#include <dirent.h>
#include <unistd.h>
+#include <sys/reboot.h>
+#include "manager.h"
#include "unit.h"
#include "service.h"
#include "load-fragment.h"
#include "dbus-service.h"
#include "special.h"
#include "bus-errors.h"
-
-#define COMMENTS "#;\n"
-#define NEWLINES "\n\r"
+#include "exit-status.h"
+#include "def.h"
+#include "util.h"
#ifdef HAVE_SYSV_COMPAT
-#define DEFAULT_SYSV_TIMEOUT_USEC (3*USEC_PER_MINUTE)
+#define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
typedef enum RunlevelType {
RUNLEVEL_UP,
{ "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
#endif
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
/* Debian style rcS.d */
{ "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
#endif
#define RUNLEVELS_UP "12345"
/* #define RUNLEVELS_DOWN "06" */
-/* #define RUNLEVELS_BOOT "bBsS" */
+#define RUNLEVELS_BOOT "bBsS"
#endif
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
Service *s = SERVICE(u);
assert(u);
- assert(u->meta.load_state == UNIT_STUB);
+ assert(u->load_state == UNIT_STUB);
s->timeout_usec = DEFAULT_TIMEOUT_USEC;
s->restart_usec = DEFAULT_RESTART_USEC;
+
+ s->watchdog_watch.type = WATCH_INVALID;
+
s->timer_watch.type = WATCH_INVALID;
#ifdef HAVE_SYSV_COMPAT
s->sysv_start_priority = -1;
+ s->sysv_start_priority_from_rcnd = -1;
#endif
s->socket_fd = -1;
+ s->guess_main_pid = true;
exec_context_init(&s->exec_context);
- RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
+ RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5);
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
}
s->main_pid = 0;
}
+static void service_unwatch_pid_file(Service *s) {
+ if (!s->pid_file_pathspec)
+ return;
+
+ log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+ path_spec_unwatch(s->pid_file_pathspec, UNIT(s));
+ path_spec_done(s->pid_file_pathspec);
+ free(s->pid_file_pathspec);
+ s->pid_file_pathspec = NULL;
+}
+
static int service_set_main_pid(Service *s, pid_t pid) {
pid_t ppid;
if (pid == getpid())
return -EINVAL;
- if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
- log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
- s->meta.id, (unsigned long) pid);
-
s->main_pid = pid;
s->main_pid_known = true;
+ if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
+ log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
+ UNIT(s)->id, (unsigned long) pid);
+
+ s->main_pid_alien = true;
+ } else
+ s->main_pid_alien = false;
+
exec_status_start(&s->main_exec_status, pid);
return 0;
static void service_connection_unref(Service *s) {
assert(s);
- if (!s->accept_socket)
+ if (!UNIT_DEREF(s->accept_socket))
return;
- socket_connection_unref(s->accept_socket);
- s->accept_socket = NULL;
+ socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket)));
+ unit_ref_unset(&s->accept_socket);
+}
+
+static void service_stop_watchdog(Service *s) {
+ assert(s);
+
+ unit_unwatch_timer(UNIT(s), &s->watchdog_watch);
+ s->watchdog_timestamp.realtime = 0;
+ s->watchdog_timestamp.monotonic = 0;
+}
+
+static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart);
+
+static void service_handle_watchdog(Service *s) {
+ usec_t offset;
+ int r;
+
+ assert(s);
+
+ if (s->watchdog_usec == 0)
+ return;
+
+ offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic;
+ if (offset >= s->watchdog_usec) {
+ log_error("%s watchdog timeout!", UNIT(s)->id);
+ service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true);
+ return;
+ }
+
+ r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch);
+ if (r < 0)
+ log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r));
+}
+
+static void service_reset_watchdog(Service *s) {
+ assert(s);
+
+ dual_timestamp_get(&s->watchdog_timestamp);
+ service_handle_watchdog(s);
}
static void service_done(Unit *u) {
exec_context_done(&s->exec_context);
exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
s->control_command = NULL;
+ s->main_command = NULL;
/* This will leak a process, but at least no memory or any of
* our resources */
service_unwatch_main_pid(s);
service_unwatch_control_pid(s);
+ service_unwatch_pid_file(s);
if (s->bus_name) {
- unit_unwatch_bus_name(UNIT(u), s->bus_name);
+ unit_unwatch_bus_name(u, s->bus_name);
free(s->bus_name);
s->bus_name = NULL;
}
service_close_socket_fd(s);
service_connection_unref(s);
- set_free(s->configured_sockets);
+ unit_ref_unset(&s->accept_socket);
+
+ service_stop_watchdog(s);
unit_unwatch_timer(u, &s->timer_watch);
}
if (!(r = new(char, strlen(name) + sizeof(".service"))))
return NULL;
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
+ if (endswith(name, ".sh"))
+ /* Drop Debian-style .sh suffix */
+ strcpy(stpcpy(r, name) - 3, ".service");
+#endif
+#ifdef TARGET_SUSE
if (startswith(name, "boot."))
/* Drop SuSE-style boot. prefix */
strcpy(stpcpy(r, name + 5), ".service");
- else if (endswith(name, ".sh"))
- /* Drop Debian-style .sh suffix */
- strcpy(stpcpy(r, name) - 3, ".service");
-#ifdef TARGET_ARCH
- else if (startswith(name, "@"))
- /* Drop Arch-style background prefix */
- strcpy(stpcpy(r, name + 1), ".service");
+#endif
+#ifdef TARGET_FRUGALWARE
+ if (startswith(name, "rc."))
+ /* Drop Frugalware-style rc. prefix */
+ strcpy(stpcpy(r, name + 3), ".service");
#endif
else
/* Normal init scripts */
static const char * const table[] = {
/* LSB defined facilities */
"local_fs", SPECIAL_LOCAL_FS_TARGET,
+#if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
+#else
+ /* Due to unfortunate name selection in Mandriva,
+ * $network is provided by network-up which is ordered
+ * after network which actually starts interfaces.
+ * To break the loop, just ignore it */
"network", SPECIAL_NETWORK_TARGET,
+#endif
"named", SPECIAL_NSS_LOOKUP_TARGET,
"portmap", SPECIAL_RPCBIND_TARGET,
"remote_fs", SPECIAL_REMOTE_FS_TARGET,
"syslog", SPECIAL_SYSLOG_TARGET,
- "time", SPECIAL_RTC_SET_TARGET,
+ "time", SPECIAL_TIME_SYNC_TARGET,
- /* Debian extensions */
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
- "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
-#endif
+ /* common extensions */
"mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
"x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
+ "null", NULL,
+
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
+ "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+#endif
#ifdef TARGET_FEDORA
- /* Fedora extensions */
"MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
"smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
"httpd", SPECIAL_HTTP_DAEMON_TARGET,
#endif
- /* SuSE extensions */
- "null", NULL
-
+#ifdef TARGET_SUSE
+ "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+#endif
};
unsigned i;
/* If we don't know this name, fallback heuristics to figure
* out whether something is a target or a service alias. */
- if (*name == '$')
+ if (*name == '$') {
+ if (!unit_prefix_is_valid(n))
+ return -EINVAL;
+
/* Facilities starting with $ are most likely targets */
r = unit_name_build(n, NULL, ".target");
- else if (filename && streq(name, filename))
- /* Names equalling the file name of the services are redundant */
+ } else if (filename && streq(name, filename))
+ /* Names equaling the file name of the services are redundant */
return 0;
else
/* Everything else we assume to be normal service names */
return -ENOMEM;
finish:
-
- if (_r)
- *_r = r;
+ *_r = r;
return 1;
}
static int sysv_fix_order(Service *s) {
- Meta *other;
+ Unit *other;
int r;
assert(s);
/* For each pair of services where at least one lacks a LSB
* header, we use the start priority value to order things. */
- LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
+ LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
bool special_s, special_t;
- t = (Service*) other;
+ t = SERVICE(other);
if (s == t)
continue;
- if (t->meta.load_state != UNIT_LOADED)
+ if (UNIT(t)->load_state != UNIT_LOADED)
continue;
if (t->sysv_start_priority < 0)
/* If both units have modern headers we don't care
* about the priorities */
- if ((s->meta.fragment_path || s->sysv_has_lsb) &&
- (t->meta.fragment_path || t->sysv_has_lsb))
+ if ((UNIT(s)->fragment_path || s->sysv_has_lsb) &&
+ (UNIT(t)->fragment_path || t->sysv_has_lsb))
continue;
special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
/* FIXME: Maybe we should compare the name here lexicographically? */
- if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
+ if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
return r;
}
LSB_DESCRIPTION
} state = NORMAL;
char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description;
+ struct stat st;
assert(s);
assert(path);
goto finish;
}
+ zero(st);
+ if (fstat(fileno(f), &st) < 0) {
+ r = -errno;
+ goto finish;
+ }
+
free(s->sysv_path);
if (!(s->sysv_path = strdup(path))) {
r = -ENOMEM;
goto finish;
}
+ s->sysv_mtime = timespec_load(&st.st_mtim);
+
+ if (null_or_empty(&st)) {
+ u->load_state = UNIT_MASKED;
+ r = 0;
+ goto finish;
+ }
+
while (!feof(f)) {
char l[LINE_MAX], *t;
* data from the LSB header. */
if (start_priority < 0 || start_priority > 99)
log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
- else if (s->sysv_start_priority < 0)
+ else
s->sysv_start_priority = start_priority;
char_array_0(runlevels);
char *d = NULL;
if (chkconfig_description)
- asprintf(&d, "%s %s", chkconfig_description, j);
+ d = join(chkconfig_description, " ", j, NULL);
else
d = strdup(j);
if (unit_name_to_type(m) == UNIT_SERVICE)
r = unit_add_name(u, m);
- else {
- r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true);
-
- if (s->sysv_enabled) {
- int k;
-
- if ((k = unit_add_dependency_by_name_inverse(u, UNIT_WANTS, m, NULL, true)) < 0)
- r = k;
- }
- }
+ else
+ /* NB: SysV targets
+ * which are provided
+ * by a service are
+ * pulled in by the
+ * services, as an
+ * indication that the
+ * generic service is
+ * now available. This
+ * is strictly
+ * one-way. The
+ * targets do NOT pull
+ * in the SysV
+ * services! */
+ r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true);
if (r < 0)
log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
}
r = sysv_translate_facility(n, file_name_from_path(path), &m);
- free(n);
- if (r < 0)
- goto finish;
+ if (r < 0) {
+ log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r));
+ free(n);
+ continue;
+ }
+
+ free(n);
if (r == 0)
continue;
free(short_description);
short_description = d;
- } else if (startswith_no_case(t, "X-Interactive:")) {
- int b;
-
- if ((b = parse_boolean(strstrip(t+14))) < 0) {
- log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
- continue;
- }
-
- if (b)
- s->exec_context.std_input = EXEC_INPUT_TTY;
- else
- s->exec_context.std_input = EXEC_INPUT_NULL;
-
} else if (state == LSB_DESCRIPTION) {
if (startswith(l, "#\t") || startswith(l, "# ")) {
char *d = NULL;
if (long_description)
- asprintf(&d, "%s %s", long_description, t);
+ d = join(long_description, " ", t, NULL);
else
d = strdup(j);
if ((r = sysv_exec_commands(s)) < 0)
goto finish;
+ if (s->sysv_runlevels &&
+ chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) &&
+ chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
+ /* Service has both boot and "up" runlevels
+ configured. Kill the "up" ones. */
+ delete_chars(s->sysv_runlevels, RUNLEVELS_UP);
+ }
if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
/* If there a runlevels configured for this service
* needed for early boot) and don't create any links
* to it. */
- s->meta.default_dependencies = false;
+ UNIT(s)->default_dependencies = false;
/* Don't timeout special services during boot (like fsck) */
s->timeout_usec = 0;
/* Special setting for all SysV services */
s->type = SERVICE_FORKING;
- s->remain_after_exit = true;
+ s->remain_after_exit = !s->pid_file;
+ s->guess_main_pid = false;
s->restart = SERVICE_RESTART_NO;
- s->exec_context.std_output =
- (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY)
- ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL;
- s->exec_context.kill_mode = KILL_PROCESS_GROUP;
+ s->exec_context.ignore_sigpipe = false;
+
+ if (UNIT(s)->manager->sysv_console)
+ s->exec_context.std_output = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
+
+ s->exec_context.kill_mode = KILL_PROCESS;
/* We use the long description only if
* no short description is set. */
if (description) {
char *d;
- if (!(d = strappend("LSB: ", description))) {
+ if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) {
r = -ENOMEM;
goto finish;
}
- u->meta.description = d;
+ u->description = d;
}
- u->meta.load_state = UNIT_LOADED;
+ /* The priority that has been set in /etc/rcN.d/ hierarchies
+ * takes precedence over what is stored as default in the LSB
+ * header */
+ if (s->sysv_start_priority_from_rcnd >= 0)
+ s->sysv_start_priority = s->sysv_start_priority_from_rcnd;
+
+ u->load_state = UNIT_LOADED;
r = 0;
finish:
assert(s);
assert(name);
- /* For SysV services we strip the boot. or .sh
+ /* For SysV services we strip the boot.*, rc.* and *.sh
* prefixes/suffixes. */
- if (startswith(name, "boot.") ||
- endswith(name, ".sh.service"))
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
+ if (endswith(name, ".sh.service"))
return -ENOENT;
+#endif
- STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
+#ifdef TARGET_SUSE
+ if (startswith(name, "boot."))
+ return -ENOENT;
+#endif
+
+#ifdef TARGET_FRUGALWARE
+ if (startswith(name, "rc."))
+ return -ENOENT;
+#endif
+
+ STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
char *path;
int r;
- if (asprintf(&path, "%s/%s", *p, name) < 0)
+ path = join(*p, "/", name, NULL);
+ if (!path)
return -ENOMEM;
assert(endswith(path, ".service"));
r = service_load_sysv_path(s, path);
- if (r >= 0 && s->meta.load_state == UNIT_STUB) {
- /* Try Debian style xxx.sh source'able init scripts */
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
+ /* Try Debian style *.sh source'able init scripts */
strcat(path, ".sh");
r = service_load_sysv_path(s, path);
}
-
+#endif
free(path);
- if (r >= 0 && s->meta.load_state == UNIT_STUB) {
- /* Try SUSE style boot.xxx init scripts */
+#ifdef TARGET_SUSE
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
+ /* Try SUSE style boot.* init scripts */
+
+ path = join(*p, "/boot.", name, NULL);
+ if (!path)
+ return -ENOMEM;
+
+ /* Drop .service suffix */
+ path[strlen(path)-8] = 0;
+ r = service_load_sysv_path(s, path);
+ free(path);
+ }
+#endif
+
+#ifdef TARGET_FRUGALWARE
+ if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
+ /* Try Frugalware style rc.* init scripts */
- if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
+ path = join(*p, "/rc.", name, NULL);
+ if (!path)
return -ENOMEM;
+ /* Drop .service suffix */
path[strlen(path)-8] = 0;
r = service_load_sysv_path(s, path);
free(path);
}
+#endif
if (r < 0)
return r;
- if ((s->meta.load_state != UNIT_STUB))
+ if ((UNIT(s)->load_state != UNIT_STUB))
break;
}
/* Load service data from SysV init scripts, preferably with
* LSB headers ... */
- if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path))
+ if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path))
return 0;
- if ((t = s->meta.id))
+ if ((t = UNIT(s)->id))
if ((r = service_load_sysv_name(s, t)) < 0)
return r;
- if (s->meta.load_state == UNIT_STUB)
- SET_FOREACH(t, s->meta.names, i) {
- if (t == s->meta.id)
+ if (UNIT(s)->load_state == UNIT_STUB)
+ SET_FOREACH(t, UNIT(s)->names, i) {
+ if (t == UNIT(s)->id)
continue;
if ((r = service_load_sysv_name(s, t)) < 0)
return r;
- if (s->meta.load_state != UNIT_STUB)
+ if (UNIT(s)->load_state != UNIT_STUB)
break;
}
#endif
static int fsck_fix_order(Service *s) {
- Meta *other;
+ Unit *other;
int r;
assert(s);
/* For each pair of services where both have an fsck priority
* we order things based on it. */
- LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
+ LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
- t = (Service*) other;
+ t = SERVICE(other);
if (s == t)
continue;
- if (t->meta.load_state != UNIT_LOADED)
+ if (UNIT(t)->load_state != UNIT_LOADED)
continue;
if (t->fsck_passno <= 0)
else
continue;
- if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
+ if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
return r;
}
static int service_verify(Service *s) {
assert(s);
- if (s->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
if (!s->exec_command[SERVICE_EXEC_START]) {
- log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
+ log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type != SERVICE_ONESHOT &&
s->exec_command[SERVICE_EXEC_START]->command_next) {
- log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
+ log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (s->type == SERVICE_ONESHOT &&
+ s->exec_command[SERVICE_EXEC_RELOAD]) {
+ log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->type == SERVICE_DBUS && !s->bus_name) {
- log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
+ log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
- log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
+ log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
return -EINVAL;
}
* majority of services. */
/* First, pull in base system */
- if (s->meta.manager->running_as == MANAGER_SYSTEM) {
+ if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
return r;
- } else if (s->meta.manager->running_as == MANAGER_USER) {
+ } else if (UNIT(s)->manager->running_as == MANAGER_USER) {
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
return r;
return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
}
+static void service_fix_output(Service *s) {
+ assert(s);
+
+ /* If nothing has been explicitly configured, patch default
+ * output in. If input is socket/tty we avoid this however,
+ * since in that case we want output to default to the same
+ * place as we read input from. */
+
+ if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_input == EXEC_INPUT_NULL)
+ s->exec_context.std_error = UNIT(s)->manager->default_std_error;
+
+ if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
+ s->exec_context.std_input == EXEC_INPUT_NULL)
+ s->exec_context.std_output = UNIT(s)->manager->default_std_output;
+}
+
static int service_load(Unit *u) {
int r;
Service *s = SERVICE(u);
#ifdef HAVE_SYSV_COMPAT
/* Load a classic init script as a fallback, if we couldn't find anything */
- if (u->meta.load_state == UNIT_STUB)
+ if (u->load_state == UNIT_STUB)
if ((r = service_load_sysv(s)) < 0)
return r;
#endif
/* Still nothing found? Then let's give up */
- if (u->meta.load_state == UNIT_STUB)
+ if (u->load_state == UNIT_STUB)
return -ENOENT;
/* We were able to load something, then let's add in the
return r;
/* This is a new unit? Then let's add in some extras */
- if (u->meta.load_state == UNIT_LOADED) {
+ if (u->load_state == UNIT_LOADED) {
+ service_fix_output(s);
+
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
s->notify_access = NOTIFY_MAIN;
if (s->type == SERVICE_DBUS || s->bus_name)
- if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0)
+ if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0)
return r;
- if (s->meta.default_dependencies)
+ if (UNIT(s)->default_dependencies)
if ((r = service_add_default_dependencies(s)) < 0)
return r;
}
fprintf(f,
"%sService State: %s\n"
+ "%sResult: %s\n"
+ "%sReload Result: %s\n"
"%sPermissionsStartOnly: %s\n"
"%sRootDirectoryStartOnly: %s\n"
"%sRemainAfterExit: %s\n"
+ "%sGuessMainPID: %s\n"
"%sType: %s\n"
"%sRestart: %s\n"
"%sNotifyAccess: %s\n",
prefix, service_state_to_string(s->state),
+ prefix, service_result_to_string(s->result),
+ prefix, service_result_to_string(s->reload_result),
prefix, yes_no(s->permissions_start_only),
prefix, yes_no(s->root_directory_start_only),
prefix, yes_no(s->remain_after_exit),
+ prefix, yes_no(s->guess_main_pid),
prefix, service_type_to_string(s->type),
prefix, service_restart_to_string(s->restart),
prefix, notify_access_to_string(s->notify_access));
if (s->main_pid > 0)
fprintf(f,
- "%sMain PID: %lu\n",
- prefix, (unsigned long) s->main_pid);
+ "%sMain PID: %lu\n"
+ "%sMain PID Known: %s\n"
+ "%sMain PID Alien: %s\n",
+ prefix, (unsigned long) s->main_pid,
+ prefix, yes_no(s->main_pid_known),
+ prefix, yes_no(s->main_pid_alien));
if (s->pid_file)
fprintf(f,
free(p2);
}
-static int service_load_pid_file(Service *s) {
+static int service_load_pid_file(Service *s, bool may_warn) {
char *k;
int r;
pid_t pid;
assert(s);
- if (s->main_pid_known)
- return 0;
-
- assert(s->main_pid <= 0);
-
if (!s->pid_file)
return -ENOENT;
- if ((r = read_one_line_file(s->pid_file, &k)) < 0)
+ if ((r = read_one_line_file(s->pid_file, &k)) < 0) {
+ if (may_warn)
+ log_info("PID file %s not readable (yet?) after %s.",
+ s->pid_file, service_state_to_string(s->state));
return r;
+ }
r = parse_pid(k, &pid);
free(k);
return r;
if (kill(pid, 0) < 0 && errno != EPERM) {
- log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
- (unsigned long) pid, s->pid_file);
+ if (may_warn)
+ log_info("PID %lu read from file %s does not exist.",
+ (unsigned long) pid, s->pid_file);
return -ESRCH;
}
+ if (s->main_pid_known) {
+ if (pid == s->main_pid)
+ return 0;
+
+ log_debug("Main PID changing: %lu -> %lu",
+ (unsigned long) s->main_pid, (unsigned long) pid);
+ service_unwatch_main_pid(s);
+ s->main_pid_known = false;
+ } else
+ log_debug("Main PID loaded: %lu", (unsigned long) pid);
+
if ((r = service_set_main_pid(s, pid)) < 0)
return r;
assert(s);
+ /* If we know it anyway, don't ever fallback to unreliable
+ * heuristics */
if (s->main_pid_known)
return 0;
+ if (!s->guess_main_pid)
+ return 0;
+
assert(s->main_pid <= 0);
- if ((pid = cgroup_bonding_search_main_pid_list(s->meta.cgroup_bondings)) <= 0)
+ if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0)
return -ENOENT;
+ log_debug("Main PID guessed: %lu", (unsigned long) pid);
if ((r = service_set_main_pid(s, pid)) < 0)
return r;
return 0;
}
-static int service_get_sockets(Service *s, Set **_set) {
- Set *set;
+static void service_notify_sockets_dead(Service *s) {
Iterator i;
- char *t;
- int r;
-
- assert(s);
- assert(_set);
-
- if (s->socket_fd >= 0)
- return 0;
-
- if (!set_isempty(s->configured_sockets))
- return 0;
-
- /* Collects all Socket objects that belong to this
- * service. Note that a service might have multiple sockets
- * via multiple names. */
-
- if (!(set = set_new(NULL, NULL)))
- return -ENOMEM;
-
- SET_FOREACH(t, s->meta.names, i) {
- char *k;
- Unit *p;
-
- /* Look for all socket objects that go by any of our
- * units and collect their fds */
-
- if (!(k = unit_name_change_suffix(t, ".socket"))) {
- r = -ENOMEM;
- goto fail;
- }
-
- p = manager_get_unit(s->meta.manager, k);
- free(k);
-
- if (!p)
- continue;
-
- if ((r = set_put(set, p)) < 0)
- goto fail;
- }
-
- *_set = set;
- return 0;
-
-fail:
- set_free(set);
- return r;
-}
-
-static int service_notify_sockets_dead(Service *s) {
- Iterator i;
- Set *set, *free_set = NULL;
- Socket *sock;
- int r;
+ Unit *u;
assert(s);
/* Notifies all our sockets when we die */
if (s->socket_fd >= 0)
- return 0;
-
- if (!set_isempty(s->configured_sockets))
- set = s->configured_sockets;
- else {
- if ((r = service_get_sockets(s, &free_set)) < 0)
- return r;
-
- set = free_set;
- }
-
- SET_FOREACH(sock, set, i)
- socket_notify_service_dead(sock);
+ return;
- set_free(free_set);
+ SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i)
+ if (u->type == UNIT_SOCKET)
+ socket_notify_service_dead(SOCKET(u));
- return 0;
+ return;
}
static void service_set_state(Service *s, ServiceState state) {
old_state = s->state;
s->state = state;
+ service_unwatch_pid_file(s);
+
if (state != SERVICE_START_PRE &&
state != SERVICE_START &&
state != SERVICE_START_POST &&
state != SERVICE_RELOAD &&
state != SERVICE_STOP &&
state != SERVICE_STOP_SIGTERM &&
- state != SERVICE_STOP_SIGKILL)
+ state != SERVICE_STOP_SIGKILL) {
service_unwatch_main_pid(s);
+ s->main_command = NULL;
+ }
if (state != SERVICE_START_PRE &&
state != SERVICE_START &&
state != SERVICE_STOP_POST &&
state != SERVICE_FINAL_SIGTERM &&
state != SERVICE_FINAL_SIGKILL &&
- !(state == SERVICE_DEAD && s->meta.job)) {
+ !(state == SERVICE_DEAD && UNIT(s)->job)) {
service_close_socket_fd(s);
service_connection_unref(s);
}
+ if (state == SERVICE_STOP)
+ service_stop_watchdog(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 (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
+ cgroup_bonding_trim_list(UNIT(s)->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));
+ log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
- unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
+ unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], s->reload_result == SERVICE_SUCCESS);
+ s->reload_result = SERVICE_SUCCESS;
}
static int service_coldplug(Unit *u) {
if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
return r;
+ if (s->deserialized_state == SERVICE_START_POST ||
+ s->deserialized_state == SERVICE_RUNNING)
+ service_handle_watchdog(s);
+
service_set_state(s, s->deserialized_state);
}
-
return 0;
}
int r;
int *rfds = NULL;
unsigned rn_fds = 0;
- Set *set, *free_set = NULL;
- Socket *sock;
+ Unit *u;
assert(s);
assert(fds);
if (s->socket_fd >= 0)
return 0;
- if (!set_isempty(s->configured_sockets))
- set = s->configured_sockets;
- else {
- if ((r = service_get_sockets(s, &free_set)) < 0)
- return r;
-
- set = free_set;
- }
-
- SET_FOREACH(sock, set, i) {
+ SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) {
int *cfds;
unsigned cn_fds;
+ Socket *sock;
+
+ if (u->type != UNIT_SOCKET)
+ continue;
+
+ sock = SOCKET(u);
if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
goto fail;
goto fail;
}
- memcpy(t, rfds, rn_fds);
- memcpy(t+rn_fds, cfds, cn_fds);
+ memcpy(t, rfds, rn_fds * sizeof(int));
+ memcpy(t+rn_fds, cfds, cn_fds * sizeof(int));
free(rfds);
free(cfds);
*fds = rfds;
*n_fds = rn_fds;
- set_free(free_set);
-
return 0;
fail:
- set_free(set);
free(rfds);
return r;
}
if (set_notify_socket)
- if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
+ if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) {
r = -ENOMEM;
goto fail;
}
goto fail;
}
+ if (s->watchdog_usec > 0)
+ if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
if (!(final_env = strv_env_merge(2,
- s->meta.manager->environment,
+ UNIT(s)->manager->environment,
our_env,
NULL))) {
r = -ENOMEM;
apply_permissions,
apply_chroot,
apply_tty_stdin,
- s->meta.manager->confirm_spawn,
- s->meta.cgroup_bondings,
+ UNIT(s)->manager->confirm_spawn,
+ UNIT(s)->cgroup_bondings,
+ UNIT(s)->cgroup_attributes,
&pid);
if (r < 0)
/* If we know the pid file, then lets just check if it is
* still valid */
- if (s->main_pid_known)
+ if (s->main_pid_known) {
+
+ /* If it's an alien child let's check if it is still
+ * alive ... */
+ if (s->main_pid_alien)
+ return kill(s->main_pid, 0) >= 0 || errno != ESRCH;
+
+ /* .. otherwise assume we'll get a SIGCHLD for it,
+ * which we really should wait for to collect exit
+ * status and code */
return s->main_pid > 0;
+ }
/* We don't know the pid */
return -EAGAIN;
assert(s);
- if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
+ if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0)
return r;
return !r;
}
-static void service_enter_dead(Service *s, bool success, bool allow_restart) {
+static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
int r;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
if (allow_restart &&
!s->forbid_restart &&
(s->restart == SERVICE_RESTART_ALWAYS ||
- (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) ||
- (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) ||
- (s->restart == SERVICE_RESTART_ON_ABORT && s->failure &&
- (s->main_exec_status.code == CLD_KILLED ||
- s->main_exec_status.code == CLD_DUMPED)))) {
+ (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) ||
+ (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
+ (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
+ s->result == SERVICE_FAILURE_CORE_DUMP)))) {
- if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
+ r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch);
+ if (r < 0)
goto fail;
service_set_state(s, SERVICE_AUTO_RESTART);
} else
- service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
+ service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
s->forbid_restart = false;
return;
fail:
- log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
- service_enter_dead(s, false, false);
+ log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
+ service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
}
-static void service_enter_signal(Service *s, ServiceState state, bool success);
+static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
-static void service_enter_stop_post(Service *s, bool success) {
+static void service_enter_stop_post(Service *s, ServiceResult f) {
int r;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_STOP_POST;
if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
+ s->control_command_id = SERVICE_EXEC_STOP_POST;
+
if ((r = service_spawn(s,
s->control_command,
true,
service_set_state(s, SERVICE_STOP_POST);
} else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS);
return;
fail:
- log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
-static void service_enter_signal(Service *s, ServiceState state, bool success) {
+static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) {
int r;
Set *pid_set = NULL;
bool wait_for_exit = false;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
if (s->exec_context.kill_mode != KILL_NONE) {
int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
if (s->main_pid > 0) {
- if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
- -s->main_pid :
- s->main_pid, sig) < 0 && errno != ESRCH)
-
+ if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH)
log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
else
- wait_for_exit = true;
+ wait_for_exit = !s->main_pid_alien;
}
if (s->control_pid > 0) {
- if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
- -s->control_pid :
- s->control_pid, sig) < 0 && errno != ESRCH)
-
+ if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
else
wait_for_exit = true;
if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
goto fail;
- if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
+ if ((r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, pid_set)) < 0) {
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
log_warning("Failed to kill control group: %s", strerror(-r));
} else if (r > 0)
wait_for_exit = true;
set_free(pid_set);
+ pid_set = NULL;
}
}
service_set_state(s, state);
} else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
- service_enter_stop_post(s, true);
+ service_enter_stop_post(s, SERVICE_SUCCESS);
else
- service_enter_dead(s, true, true);
+ service_enter_dead(s, SERVICE_SUCCESS, true);
return;
fail:
- log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
- service_enter_stop_post(s, false);
+ service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
else
- service_enter_dead(s, false, true);
+ service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
if (pid_set)
set_free(pid_set);
}
-static void service_enter_stop(Service *s, bool success) {
+static void service_enter_stop(Service *s, ServiceResult f) {
int r;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_STOP;
if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
+ s->control_command_id = SERVICE_EXEC_STOP;
+
if ((r = service_spawn(s,
s->control_command,
true,
service_set_state(s, SERVICE_STOP);
} else
- service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS);
return;
fail:
- log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
- service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+ log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
-static void service_enter_running(Service *s, bool success) {
+static void service_enter_running(Service *s, ServiceResult f) {
int main_pid_ok, cgroup_ok;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
main_pid_ok = main_pid_good(s);
cgroup_ok = cgroup_good(s);
else if (s->remain_after_exit)
service_set_state(s, SERVICE_EXITED);
else
- service_enter_stop(s, true);
+ service_enter_stop(s, SERVICE_SUCCESS);
}
static void service_enter_start_post(Service *s) {
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_START_POST;
+ if (s->watchdog_usec > 0)
+ service_reset_watchdog(s);
+
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
+ s->control_command_id = SERVICE_EXEC_START_POST;
+
if ((r = service_spawn(s,
s->control_command,
true,
service_set_state(s, SERVICE_START_POST);
} else
- service_enter_running(s, true);
+ service_enter_running(s, SERVICE_SUCCESS);
return;
fail:
- log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
- service_enter_stop(s, false);
+ log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
static void service_enter_start(Service *s) {
pid_t pid;
int r;
+ ExecCommand *c;
assert(s);
else
service_unwatch_main_pid(s);
- s->control_command_id = SERVICE_EXEC_START;
- s->control_command = s->exec_command[SERVICE_EXEC_START];
+ /* We want to ensure that nobody leaks processes from
+ * START_PRE here, so let's go on a killing spree, People
+ * should not spawn long running processes from START_PRE. */
+ cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
+
+ if (s->type == SERVICE_FORKING) {
+ s->control_command_id = SERVICE_EXEC_START;
+ c = s->control_command = s->exec_command[SERVICE_EXEC_START];
+
+ s->main_command = NULL;
+ } else {
+ s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+ s->control_command = NULL;
+
+ c = s->main_command = s->exec_command[SERVICE_EXEC_START];
+ }
if ((r = service_spawn(s,
- s->control_command,
+ c,
s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
true,
true,
return;
fail:
- log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
}
static void service_enter_start_pre(Service *s) {
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_START_PRE;
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
+
+ /* Before we start anything, let's clear up what might
+ * be left from previous runs. */
+ cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
+
+ s->control_command_id = SERVICE_EXEC_START_PRE;
+
if ((r = service_spawn(s,
s->control_command,
true,
return;
fail:
- log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
- service_enter_dead(s, false, true);
+ log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
}
static void service_enter_restart(Service *s) {
assert(s);
dbus_error_init(&error);
- if (s->meta.job) {
+ if (UNIT(s)->job) {
log_info("Job pending for unit, delaying automatic restart.");
if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
goto fail;
}
- service_enter_dead(s, true, false);
+ service_enter_dead(s, SERVICE_SUCCESS, false);
- if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
+ if ((r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
goto fail;
- log_debug("%s scheduled restart job.", s->meta.id);
+ log_debug("%s scheduled restart job.", UNIT(s)->id);
return;
fail:
- log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r));
- service_enter_dead(s, false, false);
+ log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r));
+ service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
dbus_error_free(&error);
}
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_RELOAD;
if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
+ s->control_command_id = SERVICE_EXEC_RELOAD;
+
if ((r = service_spawn(s,
s->control_command,
true,
service_set_state(s, SERVICE_RELOAD);
} else
- service_enter_running(s, true);
+ service_enter_running(s, SERVICE_SUCCESS);
return;
fail:
- log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
- service_enter_stop(s, false);
+ log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
+ s->reload_result = SERVICE_FAILURE_RESOURCES;
+ service_enter_running(s, SERVICE_SUCCESS);
}
-static void service_run_next_control(Service *s, bool success) {
+static void service_run_next_control(Service *s) {
int r;
assert(s);
assert(s->control_command);
assert(s->control_command->command_next);
- if (!success)
- s->failure = true;
-
assert(s->control_command_id != SERVICE_EXEC_START);
s->control_command = s->control_command->command_next;
return;
fail:
- log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r));
if (s->state == SERVICE_START_PRE)
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
else if (s->state == SERVICE_STOP)
- service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
else if (s->state == SERVICE_STOP_POST)
- service_enter_dead(s, false, true);
- else
- service_enter_stop(s, false);
+ service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
+ else if (s->state == SERVICE_RELOAD) {
+ s->reload_result = SERVICE_FAILURE_RESOURCES;
+ service_enter_running(s, SERVICE_SUCCESS);
+ } else
+ service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
-static void service_run_next_main(Service *s, bool success) {
+static void service_run_next_main(Service *s) {
pid_t pid;
int r;
assert(s);
- assert(s->control_command);
- assert(s->control_command->command_next);
-
- if (!success)
- s->failure = true;
-
- assert(s->control_command_id == SERVICE_EXEC_START);
+ assert(s->main_command);
+ assert(s->main_command->command_next);
assert(s->type == SERVICE_ONESHOT);
- s->control_command = s->control_command->command_next;
+ s->main_command = s->main_command->command_next;
service_unwatch_main_pid(s);
if ((r = service_spawn(s,
- s->control_command,
+ s->main_command,
false,
true,
true,
return;
fail:
- log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
- service_enter_stop(s, false);
+ log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
+ service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
+}
+
+static int service_start_limit_test(Service *s) {
+ assert(s);
+
+ if (ratelimit_test(&s->start_limit))
+ return 0;
+
+ switch (s->start_limit_action) {
+
+ case SERVICE_START_LIMIT_NONE:
+ log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id);
+ break;
+
+ case SERVICE_START_LIMIT_REBOOT: {
+ DBusError error;
+ int r;
+
+ dbus_error_init(&error);
+
+ log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id);
+
+ r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
+ if (r < 0) {
+ log_error("Failed to reboot: %s.", bus_error(&error, r));
+ dbus_error_free(&error);
+ }
+
+ break;
+ }
+
+ case SERVICE_START_LIMIT_REBOOT_FORCE:
+ log_warning("%s start request repeated too quickly, force rebooting.", UNIT(s)->id);
+ UNIT(s)->manager->exit_code = MANAGER_REBOOT;
+ break;
+
+ case SERVICE_START_LIMIT_REBOOT_IMMEDIATE:
+ log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id);
+ reboot(RB_AUTOBOOT);
+ break;
+
+ default:
+ log_error("start limit action=%i", s->start_limit_action);
+ assert_not_reached("Unknown StartLimitAction.");
+ }
+
+ return -ECANCELED;
}
static int service_start(Unit *u) {
Service *s = SERVICE(u);
+ int r;
assert(s);
assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
/* Make sure we don't enter a busy loop of some kind. */
- if (!ratelimit_test(&s->ratelimit)) {
- log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
- return -ECANCELED;
- }
+ r = service_start_limit_test(s);
+ if (r < 0)
+ return r;
- s->failure = false;
+ s->result = SERVICE_SUCCESS;
+ s->reload_result = SERVICE_SUCCESS;
s->main_pid_known = false;
+ s->main_pid_alien = false;
s->forbid_restart = false;
service_enter_start_pre(s);
s->state == SERVICE_START ||
s->state == SERVICE_START_POST ||
s->state == SERVICE_RELOAD) {
- service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS);
return 0;
}
assert(s->state == SERVICE_RUNNING ||
s->state == SERVICE_EXITED);
- service_enter_stop(s, true);
+ service_enter_stop(s, SERVICE_SUCCESS);
return 0;
}
assert(fds);
unit_serialize_item(u, f, "state", service_state_to_string(s->state));
- unit_serialize_item(u, f, "failure", yes_no(s->failure));
+ unit_serialize_item(u, f, "result", service_result_to_string(s->result));
+ unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result));
if (s->control_pid > 0)
unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
if (s->status_text)
unit_serialize_item(u, f, "status-text", s->status_text);
- /* There's a minor uncleanliness here: if there are multiple
- * commands attached here, we will start from the first one
- * again */
+ /* FIXME: There's a minor uncleanliness here: if there are
+ * multiple commands attached here, we will start from the
+ * first one again */
if (s->control_command_id >= 0)
unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
}
}
+ if (dual_timestamp_is_set(&s->watchdog_timestamp))
+ dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
return 0;
}
log_debug("Failed to parse state value %s", value);
else
s->deserialized_state = state;
- } else if (streq(key, "failure")) {
- int b;
+ } else if (streq(key, "result")) {
+ ServiceResult f;
+
+ f = service_result_from_string(value);
+ if (f < 0)
+ log_debug("Failed to parse result value %s", value);
+ else if (f != SERVICE_SUCCESS)
+ s->result = f;
+
+ } else if (streq(key, "reload-result")) {
+ ServiceResult f;
+
+ f = service_result_from_string(value);
+ if (f < 0)
+ log_debug("Failed to parse reload result value %s", value);
+ else if (f != SERVICE_SUCCESS)
+ s->reload_result = f;
- if ((b = parse_boolean(value)) < 0)
- log_debug("Failed to parse failure value %s", value);
- else
- s->failure = b || s->failure;
} else if (streq(key, "control-pid")) {
pid_t pid;
dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp);
else if (streq(key, "main-exec-status-exit"))
dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp);
+ else if (streq(key, "watchdog-timestamp"))
+ dual_timestamp_deserialize(value, &s->watchdog_timestamp);
else
log_debug("Unknown serialization key '%s'", key);
return service_state_to_string(SERVICE(u)->state);
}
-#ifdef HAVE_SYSV_COMPAT
static bool service_check_gc(Unit *u) {
Service *s = SERVICE(u);
assert(s);
- return !!s->sysv_path;
-}
+ /* Never clean up services that still have a process around,
+ * even if the service is formally dead. */
+ if (cgroup_good(s) > 0 ||
+ main_pid_good(s) > 0 ||
+ control_pid_good(s) > 0)
+ return true;
+
+#ifdef HAVE_SYSV_COMPAT
+ if (s->sysv_path)
+ return true;
#endif
+ return false;
+}
+
static bool service_check_snapshot(Unit *u) {
Service *s = SERVICE(u);
return !s->got_socket_fd;
}
+static int service_retry_pid_file(Service *s) {
+ int r;
+
+ assert(s->pid_file);
+ assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
+
+ r = service_load_pid_file(s, false);
+ if (r < 0)
+ return r;
+
+ service_unwatch_pid_file(s);
+
+ service_enter_running(s, SERVICE_SUCCESS);
+ return 0;
+}
+
+static int service_watch_pid_file(Service *s) {
+ int r;
+
+ log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+ r = path_spec_watch(s->pid_file_pathspec, UNIT(s));
+ if (r < 0)
+ goto fail;
+
+ /* the pidfile might have appeared just before we set the watch */
+ service_retry_pid_file(s);
+
+ return 0;
+fail:
+ log_error("Failed to set a watch for %s's PID file %s: %s",
+ UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
+ service_unwatch_pid_file(s);
+ return r;
+}
+
+static int service_demand_pid_file(Service *s) {
+ PathSpec *ps;
+
+ assert(s->pid_file);
+ assert(!s->pid_file_pathspec);
+
+ ps = new0(PathSpec, 1);
+ if (!ps)
+ return -ENOMEM;
+
+ ps->path = strdup(s->pid_file);
+ if (!ps->path) {
+ free(ps);
+ return -ENOMEM;
+ }
+
+ path_kill_slashes(ps->path);
+
+ /* PATH_CHANGED would not be enough. There are daemons (sendmail) that
+ * keep their PID file open all the time. */
+ ps->type = PATH_MODIFIED;
+ ps->inotify_fd = -1;
+
+ s->pid_file_pathspec = ps;
+
+ return service_watch_pid_file(s);
+}
+
+static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
+ Service *s = SERVICE(u);
+
+ assert(s);
+ assert(fd >= 0);
+ assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
+ assert(s->pid_file_pathspec);
+ assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
+
+ log_debug("inotify event for %s", u->id);
+
+ if (path_spec_fd_event(s->pid_file_pathspec, events) < 0)
+ goto fail;
+
+ if (service_retry_pid_file(s) == 0)
+ return;
+
+ if (service_watch_pid_file(s) < 0)
+ goto fail;
+
+ return;
+fail:
+ service_unwatch_pid_file(s);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
+}
+
static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
Service *s = SERVICE(u);
- bool success;
+ ServiceResult f;
assert(s);
assert(pid >= 0);
- if (!s->meta.fragment_path)
- success = is_clean_exit_lsb(code, status);
+ if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status))
+ f = SERVICE_SUCCESS;
+ else if (code == CLD_EXITED)
+ f = SERVICE_FAILURE_EXIT_CODE;
+ else if (code == CLD_KILLED)
+ f = SERVICE_FAILURE_SIGNAL;
+ else if (code == CLD_DUMPED)
+ f = SERVICE_FAILURE_CORE_DUMP;
else
- success = is_clean_exit(code, status);
+ assert_not_reached("Unknown code");
if (s->main_pid == pid) {
+ /* Forking services may occasionally move to a new PID.
+ * As long as they update the PID file before exiting the old
+ * PID, they're fine. */
+ if (service_load_pid_file(s, false) == 0)
+ return;
s->main_pid = 0;
- exec_status_exit(&s->main_exec_status, pid, code, status, s->exec_context.utmp_id);
+ exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status);
- if (s->type != SERVICE_FORKING && s->control_command) {
- s->control_command->exec_status = s->main_exec_status;
+ /* If this is not a forking service than the main
+ * process got started and hence we copy the exit
+ * status so that it is recorded both as main and as
+ * control process exit status */
+ if (s->main_command) {
+ s->main_command->exec_status = s->main_exec_status;
- if (s->control_command->ignore)
- success = true;
+ if (s->main_command->ignore)
+ f = SERVICE_SUCCESS;
}
- 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;
+ log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status);
- if (s->control_command &&
- s->control_command->command_next &&
- success) {
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
+
+ if (s->main_command &&
+ s->main_command->command_next &&
+ f == SERVICE_SUCCESS) {
/* There is another command to *
* execute, so let's do that. */
- log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
- service_run_next_main(s, success);
+ log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state));
+ service_run_next_main(s);
} else {
/* The service exited, so the service is officially
* gone. */
-
- s->control_command = NULL;
- s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+ s->main_command = NULL;
switch (s->state) {
case SERVICE_START:
if (s->type == SERVICE_ONESHOT) {
/* This was our main goal, so let's go on */
- if (success)
+ if (f == SERVICE_SUCCESS)
service_enter_start_post(s);
else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
break;
} else {
assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
}
case SERVICE_RUNNING:
- service_enter_running(s, success);
+ service_enter_running(s, f);
break;
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
if (!control_pid_good(s))
- service_enter_stop_post(s, success);
+ service_enter_stop_post(s, f);
/* If there is still a control process, wait for that first */
break;
s->control_pid = 0;
if (s->control_command) {
- exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id);
+ exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
if (s->control_command->ignore)
- success = true;
+ f = SERVICE_SUCCESS;
}
- 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;
+ log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+ "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
+
+ if (f != SERVICE_SUCCESS)
+ s->result = f;
if (s->control_command &&
s->control_command->command_next &&
- success) {
+ f == SERVICE_SUCCESS) {
/* There is another command to *
* execute, so let's do that. */
- log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
- service_run_next_control(s, success);
+ log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state));
+ service_run_next_control(s);
} else {
/* No further commands for this step, so let's
s->control_command = NULL;
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
- log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
+ log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
switch (s->state) {
case SERVICE_START_PRE:
- if (success)
+ if (f == SERVICE_SUCCESS)
service_enter_start(s);
else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
break;
case SERVICE_START:
assert(s->type == SERVICE_FORKING);
- /* Let's try to load the pid
- * file here if we can. We
- * ignore the return value,
- * since the PID file might
- * actually be created by a
- * START_POST script */
+ if (f != SERVICE_SUCCESS) {
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
+ break;
+ }
- if (success) {
- service_load_pid_file(s);
- service_search_main_pid(s);
+ if (s->pid_file) {
+ bool has_start_post;
+ int r;
- service_enter_start_post(s);
+ /* Let's try to load the pid file here if we can.
+ * The PID file might actually be created by a START_POST
+ * script. In that case don't worry if the loading fails. */
+
+ has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST];
+ r = service_load_pid_file(s, !has_start_post);
+ if (!has_start_post && r < 0) {
+ r = service_demand_pid_file(s);
+ if (r < 0 || !cgroup_good(s))
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
+ break;
+ }
} else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ service_search_main_pid(s);
+ service_enter_start_post(s);
break;
case SERVICE_START_POST:
- if (success && s->pid_file && !s->main_pid_known) {
- int r;
+ if (f != SERVICE_SUCCESS) {
+ service_enter_stop(s, f);
+ break;
+ }
- /* Hmm, let's see if we can
- * load the pid now after the
- * start-post scripts got
- * executed. */
+ if (s->pid_file) {
+ int r;
- if ((r = service_load_pid_file(s)) < 0)
- log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r));
- }
+ r = service_load_pid_file(s, true);
+ if (r < 0) {
+ r = service_demand_pid_file(s);
+ if (r < 0 || !cgroup_good(s))
+ service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
+ break;
+ }
+ } else
+ service_search_main_pid(s);
- /* Fall through */
+ service_enter_running(s, SERVICE_SUCCESS);
+ break;
case SERVICE_RELOAD:
- if (success)
- service_enter_running(s, true);
- else
- service_enter_stop(s, false);
+ if (f == SERVICE_SUCCESS) {
+ service_load_pid_file(s, true);
+ service_search_main_pid(s);
+ }
+ s->reload_result = f;
+ service_enter_running(s, SERVICE_SUCCESS);
break;
case SERVICE_STOP:
- service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, f);
break;
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
if (main_pid_good(s) <= 0)
- service_enter_stop_post(s, success);
+ service_enter_stop_post(s, f);
/* If there is still a service
* process around, wait until
case SERVICE_STOP_POST:
case SERVICE_FINAL_SIGTERM:
case SERVICE_FINAL_SIGKILL:
- service_enter_dead(s, success, true);
+ service_enter_dead(s, f, true);
break;
default:
assert(s);
assert(elapsed == 1);
+ if (w == &s->watchdog_watch) {
+ service_handle_watchdog(s);
+ return;
+ }
+
assert(w == &s->timer_watch);
switch (s->state) {
case SERVICE_START_PRE:
case SERVICE_START:
- log_warning("%s operation timed out. Terminating.", u->meta.id);
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ log_warning("%s operation timed out. Terminating.", u->id);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_START_POST:
+ log_warning("%s operation timed out. Stopping.", u->id);
+ service_enter_stop(s, SERVICE_FAILURE_TIMEOUT);
+ break;
+
case SERVICE_RELOAD:
- log_warning("%s operation timed out. Stopping.", u->meta.id);
- service_enter_stop(s, false);
+ log_warning("%s operation timed out. Stopping.", u->id);
+ s->reload_result = SERVICE_FAILURE_TIMEOUT;
+ service_enter_running(s, SERVICE_SUCCESS);
break;
case SERVICE_STOP:
- log_warning("%s stopping timed out. Terminating.", u->meta.id);
- service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+ log_warning("%s stopping timed out. Terminating.", u->id);
+ service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_SIGTERM:
- log_warning("%s stopping timed out. Killing.", u->meta.id);
- service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
+ if (s->exec_context.send_sigkill) {
+ log_warning("%s stopping timed out. Killing.", u->id);
+ service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
+ } else {
+ log_warning("%s stopping timed out. Skipping SIGKILL.", u->id);
+ service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
+ }
+
break;
case SERVICE_STOP_SIGKILL:
- /* Uh, wie sent a SIGKILL and it is still not gone?
+ /* Uh, we sent a SIGKILL and it is still not gone?
* Must be something we cannot kill, so let's just be
* weirded out and continue */
- log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
- service_enter_stop_post(s, false);
+ log_warning("%s still around after SIGKILL. Ignoring.", u->id);
+ service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_STOP_POST:
- log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ log_warning("%s stopping timed out (2). Terminating.", u->id);
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
break;
case SERVICE_FINAL_SIGTERM:
- log_warning("%s stopping timed out (2). Killing.", u->meta.id);
- service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
+ if (s->exec_context.send_sigkill) {
+ log_warning("%s stopping timed out (2). Killing.", u->id);
+ service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
+ } else {
+ log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id);
+ service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
+ }
+
break;
case SERVICE_FINAL_SIGKILL:
- log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
- service_enter_dead(s, false, true);
+ log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
+ service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
break;
case SERVICE_AUTO_RESTART:
- log_info("%s holdoff time over, scheduling restart.", u->meta.id);
+ log_info("%s holdoff time over, scheduling restart.", u->id);
service_enter_restart(s);
break;
assert(u);
- log_debug("%s: cgroup is empty", u->meta.id);
+ log_debug("%s: cgroup is empty", u->id);
switch (s->state) {
* except when we don't know pid which to expect the
* SIGCHLD for. */
+ case SERVICE_START:
+ case SERVICE_START_POST:
+ /* If we were hoping for the daemon to write its PID file,
+ * we can give up now. */
+ if (s->pid_file_pathspec) {
+ log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id);
+ service_unwatch_pid_file(s);
+ if (s->state == SERVICE_START)
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
+ else
+ service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
+ }
+ break;
+
case SERVICE_RUNNING:
- service_enter_running(s, true);
+ /* service_enter_running() will figure out what to do */
+ service_enter_running(s, SERVICE_SUCCESS);
break;
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
+
if (main_pid_good(s) <= 0 && !control_pid_good(s))
- service_enter_stop_post(s, true);
+ service_enter_stop_post(s, SERVICE_SUCCESS);
break;
case SERVICE_FINAL_SIGTERM:
case SERVICE_FINAL_SIGKILL:
if (main_pid_good(s) <= 0 && !control_pid_good(s))
- service_enter_dead(s, true, true);
+ service_enter_dead(s, SERVICE_SUCCESS, SERVICE_SUCCESS);
break;
if (s->notify_access == NOTIFY_NONE) {
log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
- u->meta.id, (unsigned long) pid);
+ u->id, (unsigned long) pid);
return;
}
if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
- u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
+ u->id, (unsigned long) pid, (unsigned long) s->main_pid);
return;
}
- log_debug("%s: Got message", u->meta.id);
+ log_debug("%s: Got message", u->id);
/* Interpret MAINPID= */
if ((e = strv_find_prefix(tags, "MAINPID=")) &&
if (parse_pid(e + 8, &pid) < 0)
log_warning("Failed to parse notification message %s", e);
else {
- log_debug("%s: got %s", u->meta.id, e);
+ log_debug("%s: got %s", u->id, e);
service_set_main_pid(s, pid);
}
}
if (s->type == SERVICE_NOTIFY &&
s->state == SERVICE_START &&
strv_find(tags, "READY=1")) {
- log_debug("%s: got READY=1", u->meta.id);
+ log_debug("%s: got READY=1", u->id);
service_enter_start_post(s);
}
return;
}
- log_debug("%s: got %s", u->meta.id, e);
+ log_debug("%s: got %s", u->id, e);
free(s->status_text);
s->status_text = t;
}
}
+ if (strv_find(tags, "WATCHDOG=1")) {
+ log_debug("%s: got WATCHDOG=1", u->id);
+ service_reset_watchdog(s);
+ }
/* Notify clients about changed status or main pid */
unit_add_to_dbus_queue(u);
}
#ifdef HAVE_SYSV_COMPAT
-static int service_enumerate(Manager *m) {
- char **p;
- unsigned i;
- DIR *d = NULL;
- char *path = NULL, *fpath = NULL, *name = NULL;
- Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
- Unit *service;
- Iterator j;
- int r;
-#ifdef TARGET_ARCH
- Unit *previous = NULL;
- char *arch_daemons = NULL;
- char *arch_daemons_stripped = NULL;
- char **arch_daemons_split = NULL;
-#endif
-
- assert(m);
-#ifdef TARGET_ARCH
- if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
- "DAEMONS", &arch_daemons,
- NULL)) < 0) {
+#ifdef TARGET_SUSE
+static void sysv_facility_in_insserv_conf(Manager *mgr) {
+ FILE *f=NULL;
+ int r;
- if (r != -ENOENT)
- log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
+ if (!(f = fopen("/etc/insserv.conf", "re"))) {
+ r = errno == ENOENT ? 0 : -errno;
+ goto finish;
+ }
- } else if (arch_daemons) {
- if (!(arch_daemons_stripped = strchr(arch_daemons, '(')))
- arch_daemons_stripped = arch_daemons;
- else
- arch_daemons_stripped++; /* strip start paren */
+ while (!feof(f)) {
+ char l[LINE_MAX], *t;
+ char **parsed = NULL;
- arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */
+ if (!fgets(l, sizeof(l), f)) {
+ if (feof(f))
+ break;
- if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) {
- r = -ENOMEM;
+ r = -errno;
+ log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r));
goto finish;
}
- STRV_FOREACH(p, arch_daemons_split) {
-
- free(name);
- name = NULL;
+ t = strstrip(l);
+ if (*t != '$' && *t != '<')
+ continue;
- if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */
+ parsed = strv_split(t,WHITESPACE);
+ /* we ignore <interactive>, not used, equivalent to X-Interactive */
+ if (parsed && !startswith_no_case (parsed[0], "<interactive>")) {
+ char *facility;
+ Unit *u;
+ if (sysv_translate_facility(parsed[0], NULL, &facility) < 0)
continue;
+ if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) {
+ UnitDependency e;
+ char *dep = NULL, *name, **j;
+
+ STRV_FOREACH (j, parsed+1) {
+ if (*j[0]=='+') {
+ e = UNIT_WANTS;
+ name = *j+1;
+ }
+ else {
+ e = UNIT_REQUIRES;
+ name = *j;
+ }
+ if (sysv_translate_facility(name, NULL, &dep) < 0)
+ continue;
- if (!(name = sysv_translate_name(*p))) {
- r = -ENOMEM;
- goto finish;
+ r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true);
+ free(dep);
+ }
}
+ free(facility);
+ }
+ strv_free(parsed);
+ }
+finish:
+ if (f)
+ fclose(f);
- if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
- log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
- continue;
- }
+}
+#endif
- if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0)
- goto finish;
+static int service_enumerate(Manager *m) {
+ char **p;
+ unsigned i;
+ DIR *d = NULL;
+ char *path = NULL, *fpath = NULL, *name = NULL;
+ Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
+ Unit *service;
+ Iterator j;
+ int r;
- if (previous)
- if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0)
- goto finish;
+ assert(m);
- if (**p != '@') /* daemons prefixed with @ can be started in the background */
- previous = service;
- }
- }
-#endif
+ if (m->running_as != MANAGER_SYSTEM)
+ return 0;
zero(runlevel_services);
struct dirent *de;
free(path);
- path = NULL;
- if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
+ path = join(*p, "/", rcnd_table[i].path, NULL);
+ if (!path) {
r = -ENOMEM;
goto finish;
}
continue;
free(fpath);
- fpath = NULL;
- if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
+ fpath = join(path, "/", de->d_name, NULL);
+ if (!fpath) {
r = -ENOMEM;
goto finish;
}
if (de->d_name[0] == 'S') {
if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
- SERVICE(service)->sysv_start_priority =
- MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
+ SERVICE(service)->sysv_start_priority_from_rcnd =
+ MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd);
SERVICE(service)->sysv_enabled = true;
}
SET_FOREACH(service, runlevel_services[i], j) {
service = unit_follow_merge(service);
- if (service->meta.fragment_path)
+ if (service->fragment_path)
continue;
if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
/* We honour K links only for halt/reboot. For the normal
* runlevels we assume the stop jobs will be implicitly added
- * by the core logic. Also, we don't really distuingish here
+ * by the core logic. Also, we don't really distinguish here
* between the runlevels 0 and 6 and just add them to the
* special shutdown target. On SUSE the boot.d/ runlevel is
* also used for shutdown, so we add links for that too to the
SET_FOREACH(service, shutdown_services, j) {
service = unit_follow_merge(service);
- if (service->meta.fragment_path)
+ if (service->fragment_path)
continue;
if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
r = 0;
+#ifdef TARGET_SUSE
+ sysv_facility_in_insserv_conf (m);
+#endif
+
finish:
free(path);
free(fpath);
free(name);
-#ifdef TARGET_ARCH
- free(arch_daemons);
- free(arch_daemons_split);
-#endif
for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
set_free(runlevel_services[i]);
assert(old_owner || new_owner);
if (old_owner && new_owner)
- log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
+ log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
else if (old_owner)
- log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
+ log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
else
- log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
+ log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
s->bus_name_good = !!new_owner;
/* service_enter_running() will figure out what to
* do */
if (s->state == SERVICE_RUNNING)
- service_enter_running(s, true);
+ service_enter_running(s, SERVICE_SUCCESS);
else if (s->state == SERVICE_START && new_owner)
service_enter_start_post(s);
/* Try to acquire PID from bus service */
log_debug("Trying to acquire PID from D-Bus name...");
- bus_query_pid(u->meta.manager, name);
+ bus_query_pid(u->manager, name);
}
}
assert(s);
assert(name);
- log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
+ log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
if (s->main_pid <= 0 &&
(s->state == SERVICE_START ||
}
int service_set_socket_fd(Service *s, int fd, Socket *sock) {
+
assert(s);
assert(fd >= 0);
* service for a stream socket and the socket needs to be
* configured. */
- if (s->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED)
return -EINVAL;
if (s->socket_fd >= 0)
s->socket_fd = fd;
s->got_socket_fd = true;
- s->accept_socket = sock;
- return 0;
+ unit_ref_set(&s->accept_socket, UNIT(sock));
+
+ return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false);
}
static void service_reset_failed(Unit *u) {
if (s->state == SERVICE_FAILED)
service_set_state(s, SERVICE_DEAD);
- s->failure = false;
+ s->result = SERVICE_SUCCESS;
+ s->reload_result = SERVICE_SUCCESS;
+}
+
+static bool service_need_daemon_reload(Unit *u) {
+ Service *s = SERVICE(u);
+
+ assert(s);
+
+#ifdef HAVE_SYSV_COMPAT
+ if (s->sysv_path) {
+ struct stat st;
+
+ zero(st);
+ if (stat(s->sysv_path, &st) < 0)
+ /* What, cannot access this anymore? */
+ return true;
+
+ if (s->sysv_mtime > 0 &&
+ timespec_load(&st.st_mtim) != s->sysv_mtime)
+ return true;
+ }
+#endif
+
+ return false;
}
static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
if (s->main_pid <= 0 && who == KILL_MAIN) {
dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill");
- return -EINVAL;
+ return -ESRCH;
}
if (s->control_pid <= 0 && who == KILL_CONTROL) {
dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
- return -ENOENT;
+ return -ESRCH;
}
- if (s->control_pid > 0)
- if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 0)
- r = -errno;
+ if (who == KILL_CONTROL || who == KILL_ALL)
+ if (s->control_pid > 0)
+ if (kill(s->control_pid, signo) < 0)
+ r = -errno;
- if (s->main_pid > 0)
- if (kill(mode == KILL_PROCESS_GROUP ? -s->main_pid : s->main_pid, signo) < 0)
- r = -errno;
+ if (who == KILL_MAIN || who == KILL_ALL)
+ if (s->main_pid > 0)
+ if (kill(s->main_pid, signo) < 0)
+ r = -errno;
- if (mode == KILL_CONTROL_GROUP) {
+ if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
int q;
if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
goto finish;
}
- if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0)
- if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+ if ((q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, pid_set)) < 0)
+ if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
r = q;
}
DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
+static const char* const service_result_table[_SERVICE_RESULT_MAX] = {
+ [SERVICE_SUCCESS] = "success",
+ [SERVICE_FAILURE_RESOURCES] = "resources",
+ [SERVICE_FAILURE_TIMEOUT] = "timeout",
+ [SERVICE_FAILURE_EXIT_CODE] = "exit-code",
+ [SERVICE_FAILURE_SIGNAL] = "signal",
+ [SERVICE_FAILURE_CORE_DUMP] = "core-dump",
+ [SERVICE_FAILURE_WATCHDOG] = "watchdog"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
+
+static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = {
+ [SERVICE_START_LIMIT_NONE] = "none",
+ [SERVICE_START_LIMIT_REBOOT] = "reboot",
+ [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force",
+ [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate"
+};
+DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction);
+
const UnitVTable service_vtable = {
.suffix = ".service",
+ .object_size = sizeof(Service),
+ .sections =
+ "Unit\0"
+ "Service\0"
+ "Install\0",
.show_status = true,
.init = service_init,
.active_state = service_active_state,
.sub_state_to_string = service_sub_state_to_string,
-#ifdef HAVE_SYSV_COMPAT
.check_gc = service_check_gc,
-#endif
.check_snapshot = service_check_snapshot,
.sigchld_event = service_sigchld_event,
.timer_event = service_timer_event,
+ .fd_event = service_fd_event,
.reset_failed = service_reset_failed,
+ .need_daemon_reload = service_need_daemon_reload,
+
.cgroup_notify_empty = service_cgroup_notify_event,
.notify_message = service_notify_message,
~ianmdlvl / elogind.git / blobdiff