#include "special.h"
#include "bus-errors.h"
#include "exit-status.h"
-
-#define COMMENTS "#;\n"
-#define NEWLINES "\n\r"
+#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) || defined(TARGET_FRUGALWARE)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_FRUGALWARE) || defined(TARGET_ANGSTROM)
/* Debian style rcS.d */
{ "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
#endif
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;
if (pid == getpid())
return -EINVAL;
- if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
+ 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.",
s->meta.id, (unsigned long) pid);
- s->main_pid = pid;
- s->main_pid_known = true;
+ s->main_pid_alien = true;
+ } else
+ s->main_pid_alien = false;
exec_status_start(&s->main_exec_status, pid);
if (!(r = new(char, strlen(name) + sizeof(".service"))))
return NULL;
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
+#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");
static const char * const table[] = {
/* LSB defined facilities */
"local_fs", SPECIAL_LOCAL_FS_TARGET,
+#ifndef TARGET_MANDRIVA
+ /* 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,
/* 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)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
"mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
#endif
/* 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 */
+ /* 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;
}
/* 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, s->meta.manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
bool special_s, special_t;
/* 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->meta.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);
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));
/* Special setting for all SysV services */
s->type = SERVICE_FORKING;
- s->remain_after_exit = true;
+ s->remain_after_exit = !s->pid_file;
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 : s->meta.manager->default_std_output;
- s->exec_context.kill_mode = KILL_PROCESS_GROUP;
+ 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;
}
+ /* 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->meta.load_state = UNIT_LOADED;
r = 0;
/* For SysV services we strip the boot.*, rc.* and *.sh
* prefixes/suffixes. */
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
if (endswith(name, ".sh.service"))
return -ENOENT;
#endif
r = service_load_sysv_path(s, path);
-#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
if (r >= 0 && s->meta.load_state == UNIT_STUB) {
/* Try Debian style *.sh source'able init scripts */
strcat(path, ".sh");
/* 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, s->meta.manager->units_by_type[UNIT_SERVICE]) {
Service *t;
UnitDependency d;
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;
}
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 (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,
assert(s);
+ if (s->main_pid_known)
+ return 0;
+
if (!s->pid_file)
- return -ENOENT;
+ return 0;
if ((r = read_one_line_file(s->pid_file, &k)) < 0)
return r;
/* For the inactive states unit_notify() will trim the cgroup,
* but for exit we have to do that ourselves... */
- if (state == SERVICE_EXITED)
+ if (state == SERVICE_EXITED && s->meta.manager->n_deserializing <= 0)
cgroup_bonding_trim_list(s->meta.cgroup_bondings, true);
if (old_state != state)
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);
}
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", s->meta.manager->notify_socket) < 0) {
r = -ENOMEM;
goto fail;
}
/* 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;
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(s->meta.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;
}
}
s->failure = false;
s->main_pid_known = false;
+ s->main_pid_alien = false;
s->forbid_restart = false;
service_enter_start_pre(s);
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);
if (s->main_pid == pid) {
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 this is not a forking service than the main
* process got started and hence we copy the exit
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;
break;
case SERVICE_START_POST:
- if (success && s->pid_file && !s->main_pid_known) {
- int r;
-
- /* Hmm, let's see if we can
- * load the pid now after the
- * start-post scripts got
- * executed. */
-
- 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));
+ if (success) {
+ service_load_pid_file(s);
+ service_search_main_pid(s);
}
s->reload_failure = !success;
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 */
case SERVICE_STOP_SIGTERM:
case SERVICE_STOP_SIGKILL:
+
if (main_pid_good(s) <= 0 && !control_pid_good(s))
service_enter_stop_post(s, true);
assert(m);
+ if (m->running_as != MANAGER_SYSTEM)
+ return 0;
+
zero(runlevel_services);
STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
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;
}
/* 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
s->failure = false;
}
+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) {
Service *s = SERVICE(u);
int r = 0;
}
if (s->control_pid > 0)
- if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 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)
+ if (kill(s->main_pid, signo) < 0)
r = -errno;
if (mode == KILL_CONTROL_GROUP) {
goto finish;
}
- if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0)
+ if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, false, pid_set)) < 0)
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
r = q;
}
.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,
.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