-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
#include "dbus-service.h"
#include "special.h"
#include "bus-errors.h"
+#include "exit-status.h"
+#include "def.h"
+#include "util.h"
-#define COMMENTS "#;\n"
-#define NEWLINES "\n\r"
+#ifdef HAVE_SYSV_COMPAT
+
+#define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
typedef enum RunlevelType {
RUNLEVEL_UP,
{ "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
{ "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
+#ifdef TARGET_SUSE
/* SUSE style boot.d */
{ "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
+#endif
+#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
/* Standard SysV runlevels for shutdown */
{ "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
#define RUNLEVELS_UP "12345"
/* #define RUNLEVELS_DOWN "06" */
/* #define RUNLEVELS_BOOT "bBsS" */
+#endif
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
[SERVICE_DEAD] = UNIT_INACTIVE,
[SERVICE_STOP_POST] = UNIT_DEACTIVATING,
[SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
[SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
- [SERVICE_MAINTENANCE] = UNIT_MAINTENANCE,
+ [SERVICE_FAILED] = UNIT_FAILED,
[SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
};
s->timeout_usec = DEFAULT_TIMEOUT_USEC;
s->restart_usec = DEFAULT_RESTART_USEC;
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);
+ s->exec_context.std_output = u->meta.manager->default_std_output;
+ s->exec_context.std_error = u->meta.manager->default_std_error;
RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
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);
static void service_connection_unref(Service *s) {
assert(s);
- if (!s->socket)
+ if (!s->accept_socket)
return;
- socket_connection_unref(s->socket);
- s->socket = NULL;
+ socket_connection_unref(s->accept_socket);
+ s->accept_socket = NULL;
}
static void service_done(Unit *u) {
free(s->pid_file);
s->pid_file = NULL;
+#ifdef HAVE_SYSV_COMPAT
free(s->sysv_path);
s->sysv_path = NULL;
free(s->sysv_runlevels);
s->sysv_runlevels = NULL;
+#endif
free(s->status_text);
s->status_text = NULL;
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_close_socket_fd(s);
service_connection_unref(s);
+ set_free(s->configured_sockets);
+
unit_unwatch_timer(u, &s->timer_watch);
}
+#ifdef HAVE_SYSV_COMPAT
static char *sysv_translate_name(const char *name) {
char *r;
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");
+#endif
+#ifdef TARGET_FRUGALWARE
+ if (startswith(name, "rc."))
+ /* Drop Frugalware-style rc. prefix */
+ strcpy(stpcpy(r, name + 3), ".service");
+#endif
else
/* Normal init scripts */
strcpy(stpcpy(r, name), ".service");
return r;
}
-static int sysv_translate_facility(const char *name, char **_r) {
+static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
+
+ /* We silently ignore the $ prefix here. According to the LSB
+ * spec it simply indicates whether something is a
+ * standardized name or a distribution-specific one. Since we
+ * just follow what already exists and do not introduce new
+ * uses or names we don't care who introduced a new name. */
static const char * const table[] = {
/* LSB defined facilities */
- "$local_fs", SPECIAL_LOCAL_FS_TARGET,
- "$network", SPECIAL_NETWORK_TARGET,
- "$named", SPECIAL_NSS_LOOKUP_TARGET,
- "$portmap", SPECIAL_RPCBIND_TARGET,
- "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
- "$syslog", SPECIAL_SYSLOG_TARGET,
- "$time", SPECIAL_RTC_SET_TARGET,
-
- /* Debian extensions */
- "$mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
- "$mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
- "$x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE
+ "local_fs", SPECIAL_LOCAL_FS_TARGET,
+#ifndef TARGET_MANDRIVA
+ /* Due to unfortunate name selection in Mandriva,
+ * $network is provided by network-up which is ordered
+ * after network which actually starts interfaces.
+ * To break the loop, just ignore it */
+ "network", SPECIAL_NETWORK_TARGET,
+#endif
+ "named", SPECIAL_NSS_LOOKUP_TARGET,
+ "portmap", SPECIAL_RPCBIND_TARGET,
+ "remote_fs", SPECIAL_REMOTE_FS_TARGET,
+ "syslog", SPECIAL_SYSLOG_TARGET,
+ "time", SPECIAL_TIME_SYNC_TARGET,
+
+ /* common extensions */
+ "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+ "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
+ "null", NULL,
+
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
+ "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+#endif
+
+#ifdef TARGET_FEDORA
+ "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+ "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+ "httpd", SPECIAL_HTTP_DAEMON_TARGET,
+#endif
+
+#ifdef TARGET_SUSE
+ "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+#endif
};
unsigned i;
char *r;
+ const char *n;
- for (i = 0; i < ELEMENTSOF(table); i += 2)
- if (streq(table[i], name)) {
- if (!(r = strdup(table[i+1])))
- return -ENOMEM;
+ assert(name);
+ assert(_r);
- goto finish;
- }
+ n = *name == '$' ? name + 1 : name;
+
+ for (i = 0; i < ELEMENTSOF(table); i += 2) {
+
+ if (!streq(table[i], n))
+ continue;
+
+ if (!table[i+1])
+ return 0;
+
+ if (!(r = strdup(table[i+1])))
+ return -ENOMEM;
+
+ goto finish;
+ }
+
+ /* If we don't know this name, fallback heuristics to figure
+ * out whether something is a target or a service alias. */
+
+ if (*name == '$') {
+ if (!unit_prefix_is_valid(n))
+ return -EINVAL;
- if (*name == '$')
+ /* Facilities starting with $ are most likely targets */
+ r = unit_name_build(n, NULL, ".target");
+ } 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 */
+ r = sysv_translate_name(n);
- if (!(r = sysv_translate_name(name)))
+ if (!r)
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;
t = (Service*) other;
if (s == t)
continue;
+ if (t->meta.load_state != UNIT_LOADED)
+ continue;
+
if (t->sysv_start_priority < 0)
continue;
/* If both units have modern headers we don't care
* about the priorities */
- if ((!s->sysv_path || s->sysv_has_lsb) &&
- (!t->sysv_path || t->sysv_has_lsb))
+ if ((s->meta.fragment_path || s->sysv_has_lsb) &&
+ (t->meta.fragment_path || t->sysv_has_lsb))
continue;
- if (t->sysv_start_priority < s->sysv_start_priority)
+ special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
+ special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
+
+ if (special_t && !special_s)
+ d = UNIT_AFTER;
+ else if (special_s && !special_t)
+ d = UNIT_BEFORE;
+ else if (t->sysv_start_priority < s->sysv_start_priority)
d = UNIT_AFTER;
else if (t->sysv_start_priority > s->sysv_start_priority)
d = UNIT_BEFORE;
/* 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,
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);
s->sysv_runlevels = d;
}
- } else if (startswith_no_case(t, "description:") &&
- !u->meta.description) {
+ } else if (startswith_no_case(t, "description:")) {
size_t k = strlen(t);
char *d;
+ const char *j;
if (t[k-1] == '\\') {
state = DESCRIPTION;
t[k-1] = 0;
}
- if (!(d = strdup(strstrip(t+12)))) {
- r = -ENOMEM;
- goto finish;
- }
+ if ((j = strstrip(t+12)) && *j) {
+ if (!(d = strdup(j))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+ } else
+ d = NULL;
- free(u->meta.description);
- u->meta.description = d;
+ free(chkconfig_description);
+ chkconfig_description = d;
} else if (startswith_no_case(t, "pidfile:")) {
* continuation */
size_t k = strlen(t);
- char *d;
+ char *j;
if (t[k-1] == '\\')
t[k-1] = 0;
else
state = NORMAL;
- assert(u->meta.description);
- if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
- r = -ENOMEM;
- goto finish;
- }
+ if ((j = strstrip(t)) && *j) {
+ char *d = NULL;
- free(u->meta.description);
- u->meta.description = d;
+ if (chkconfig_description)
+ asprintf(&d, "%s %s", chkconfig_description, j);
+ else
+ d = strdup(j);
+
+ if (!d) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(chkconfig_description);
+ chkconfig_description = d;
+ }
} else if (state == LSB || state == LSB_DESCRIPTION) {
goto finish;
}
- r = sysv_translate_facility(n, &m);
+ r = sysv_translate_facility(n, file_name_from_path(path), &m);
free(n);
if (r < 0)
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_dependency_by_name_inverse(u, UNIT_AFTER, m, NULL, true);
-
- free(m);
+ /* 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)
- goto finish;
+ log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
+
+ free(m);
}
} else if (startswith_no_case(t, "Required-Start:") ||
goto finish;
}
- r = sysv_translate_facility(n, &m);
- free(n);
+ r = sysv_translate_facility(n, file_name_from_path(path), &m);
- 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;
r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
- free(m);
if (r < 0)
- goto finish;
+ log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
+
+ free(m);
}
} else if (startswith_no_case(t, "Default-Start:")) {
char *k, *d;
s->sysv_runlevels = d;
}
- } else if (startswith_no_case(t, "Description:") &&
- !u->meta.description) {
- char *d;
-
- /* We use the long description only if
- * no short description is set. */
+ } else if (startswith_no_case(t, "Description:")) {
+ char *d, *j;
state = LSB_DESCRIPTION;
- if (!(d = strdup(strstrip(t+12)))) {
- r = -ENOMEM;
- goto finish;
- }
+ if ((j = strstrip(t+12)) && *j) {
+ if (!(d = strdup(j))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+ } else
+ d = NULL;
- free(u->meta.description);
- u->meta.description = d;
+ free(long_description);
+ long_description = d;
} else if (startswith_no_case(t, "Short-Description:")) {
- char *d;
+ char *d, *j;
state = LSB;
- if (!(d = strdup(strstrip(t+18)))) {
- r = -ENOMEM;
- goto finish;
- }
+ if ((j = strstrip(t+18)) && *j) {
+ if (!(d = strdup(j))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+ } else
+ d = NULL;
- free(u->meta.description);
- u->meta.description = d;
+ free(short_description);
+ short_description = d;
} else if (startswith_no_case(t, "X-Interactive:")) {
int b;
} else if (state == LSB_DESCRIPTION) {
if (startswith(l, "#\t") || startswith(l, "# ")) {
- char *d;
+ char *j;
- assert(u->meta.description);
- if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
- r = -ENOMEM;
- goto finish;
+ if ((j = strstrip(t)) && *j) {
+ char *d = NULL;
+
+ if (long_description)
+ asprintf(&d, "%s %s", long_description, t);
+ else
+ d = strdup(j);
+
+ if (!d) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(long_description);
+ long_description = d;
}
- free(u->meta.description);
- u->meta.description = d;
} else
state = LSB;
}
/* Don't timeout special services during boot (like fsck) */
s->timeout_usec = 0;
- }
+ } else
+ s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC;
/* Special setting for all SysV services */
s->type = SERVICE_FORKING;
- s->valid_no_process = true;
- s->restart = SERVICE_ONCE;
- s->exec_context.std_output = EXEC_OUTPUT_TTY;
- s->exec_context.kill_mode = KILL_PROCESS_GROUP;
+ 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;
+
+ /* We use the long description only if
+ * no short description is set. */
+
+ if (short_description)
+ description = short_description;
+ else if (chkconfig_description)
+ description = chkconfig_description;
+ else if (long_description)
+ description = long_description;
+ else
+ description = NULL;
+
+ if (description) {
+ char *d;
+
+ 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;
if (f)
fclose(f);
+ free(short_description);
+ free(long_description);
+ free(chkconfig_description);
+
return r;
}
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
+
+#ifdef TARGET_SUSE
+ if (startswith(name, "boot."))
+ return -ENOENT;
+#endif
+
+#ifdef TARGET_FRUGALWARE
+ if (startswith(name, "rc."))
return -ENOENT;
+#endif
STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
char *path;
r = service_load_sysv_path(s, path);
+#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
if (r >= 0 && s->meta.load_state == UNIT_STUB) {
- /* Try Debian style xxx.sh source'able init scripts */
+ /* Try Debian style *.sh source'able init scripts */
strcat(path, ".sh");
r = service_load_sysv_path(s, path);
}
-
+#endif
free(path);
+#ifdef TARGET_SUSE
if (r >= 0 && s->meta.load_state == UNIT_STUB) {
- /* Try SUSE style boot.xxx init scripts */
+ /* Try SUSE style boot.* init scripts */
if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
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 && s->meta.load_state == UNIT_STUB) {
+ /* Try Frugalware style rc.* init scripts */
+
+ if (asprintf(&path, "%s/rc.%s", *p, name) < 0)
+ 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 (t == s->meta.id)
continue;
- if ((r == service_load_sysv_name(s, t)) < 0)
+ if ((r = service_load_sysv_name(s, t)) < 0)
return r;
if (s->meta.load_state != UNIT_STUB)
return 0;
}
+#endif
-static int service_add_bus_name(Service *s) {
- char *n;
+static int fsck_fix_order(Service *s) {
+ Meta *other;
int r;
assert(s);
- assert(s->bus_name);
- if (asprintf(&n, "dbus-%s.service", s->bus_name) < 0)
+ if (s->fsck_passno <= 0)
return 0;
- r = unit_merge_by_name(UNIT(s), n);
- free(n);
+ /* For each pair of services where both have an fsck priority
+ * we order things based on it. */
- return r;
+ LIST_FOREACH(units_by_type, other, s->meta.manager->units_by_type[UNIT_SERVICE]) {
+ Service *t;
+ UnitDependency d;
+
+ t = (Service*) other;
+
+ if (s == t)
+ continue;
+
+ if (t->meta.load_state != UNIT_LOADED)
+ continue;
+
+ if (t->fsck_passno <= 0)
+ continue;
+
+ if (t->fsck_passno < s->fsck_passno)
+ d = UNIT_AFTER;
+ else if (t->fsck_passno > s->fsck_passno)
+ d = UNIT_BEFORE;
+ else
+ continue;
+
+ if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
+ return r;
+ }
+
+ return 0;
}
static int service_verify(Service *s) {
return -EINVAL;
}
- if (s->exec_command[SERVICE_EXEC_START]->command_next) {
- log_error("%s has more than one ExecStart setting. Refusing.", s->meta.id);
+ 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);
+ 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.", s->meta.id);
return -EINVAL;
}
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_SESSION) {
+ } else if (s->meta.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;
if ((r = unit_load_fragment(u)) < 0)
return r;
+#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 ((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 ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
- if ((r = unit_add_default_cgroup(u)) < 0)
+ if ((r = unit_add_default_cgroups(u)) < 0)
return r;
+#ifdef HAVE_SYSV_COMPAT
if ((r = sysv_fix_order(s)) < 0)
return r;
+#endif
- if (s->bus_name) {
- if ((r = service_add_bus_name(s)) < 0)
- return r;
+ if ((r = fsck_fix_order(s)) < 0)
+ return r;
+ if (s->bus_name)
if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
return r;
- }
if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
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)
"%sService State: %s\n"
"%sPermissionsStartOnly: %s\n"
"%sRootDirectoryStartOnly: %s\n"
- "%sValidNoProcess: %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, yes_no(s->permissions_start_only),
prefix, yes_no(s->root_directory_start_only),
- prefix, yes_no(s->valid_no_process),
+ 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->control_pid > 0)
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,
exec_command_dump_list(s->exec_command[c], f, prefix2);
}
+#ifdef HAVE_SYSV_COMPAT
if (s->sysv_path)
fprintf(f,
"%sSysV Init Script Path: %s\n"
- "%sSysV Init Script has LSB Header: %s\n",
+ "%sSysV Init Script has LSB Header: %s\n"
+ "%sSysVEnabled: %s\n",
prefix, s->sysv_path,
- prefix, yes_no(s->sysv_has_lsb));
+ prefix, yes_no(s->sysv_has_lsb),
+ prefix, yes_no(s->sysv_enabled));
if (s->sysv_start_priority >= 0)
fprintf(f,
if (s->sysv_runlevels)
fprintf(f, "%sSysVRunLevels: %s\n",
prefix, s->sysv_runlevels);
+#endif
+
+ if (s->fsck_passno > 0)
+ fprintf(f,
+ "%sFsckPassNo: %i\n",
+ prefix, s->fsck_passno);
if (s->status_text)
fprintf(f, "%sStatus Text: %s\n",
if (s->main_pid_known)
return 0;
- assert(s->main_pid <= 0);
-
if (!s->pid_file)
- return -ENOENT;
+ return 0;
if ((r = read_one_line_file(s->pid_file, &k)) < 0)
return r;
return 0;
}
+static int service_search_main_pid(Service *s) {
+ pid_t pid;
+ int 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)
+ return -ENOENT;
+
+ if ((r = service_set_main_pid(s, pid)) < 0)
+ return r;
+
+ if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
+ /* FIXME: we need to do something here */
+ return r;
+
+ return 0;
+}
+
static int service_get_sockets(Service *s, Set **_set) {
Set *set;
Iterator i;
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. */
static int service_notify_sockets_dead(Service *s) {
Iterator i;
- Set *set;
+ Set *set, *free_set = NULL;
Socket *sock;
int r;
assert(s);
+ /* Notifies all our sockets when we die */
+
if (s->socket_fd >= 0)
return 0;
- /* Notifies all our sockets when we die */
- if ((r = service_get_sockets(s, &set)) < 0)
- return r;
+ 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);
- set_free(set);
+ set_free(free_set);
return 0;
}
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_MAINTENANCE ||
+ state == SERVICE_FAILED ||
state == SERVICE_AUTO_RESTART)
service_notify_sockets_dead(s);
/* 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)
log_debug("%s changed %s -> %s", s->meta.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_failure);
+ s->reload_failure = false;
}
static int service_coldplug(Unit *u) {
if ((s->deserialized_state == SERVICE_START &&
(s->type == SERVICE_FORKING ||
s->type == SERVICE_DBUS ||
- s->type == SERVICE_FINISH ||
+ s->type == SERVICE_ONESHOT ||
s->type == SERVICE_NOTIFY)) ||
s->deserialized_state == SERVICE_START_POST ||
s->deserialized_state == SERVICE_RUNNING ||
int r;
int *rfds = NULL;
unsigned rn_fds = 0;
- Set *set;
+ Set *set, *free_set = NULL;
Socket *sock;
assert(s);
if (s->socket_fd >= 0)
return 0;
- if ((r = service_get_sockets(s, &set)) < 0)
- return r;
+ 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) {
int *cfds;
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(set);
+ set_free(free_set);
return 0;
goto fail;
}
- if (!(our_env = new0(char*, 3))) {
+ if (!(our_env = new0(char*, 4))) {
r = -ENOMEM;
goto fail;
}
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;
s->failure = true;
if (allow_restart &&
- s->allow_restart &&
+ !s->forbid_restart &&
(s->restart == SERVICE_RESTART_ALWAYS ||
- (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
+ (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)))) {
if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
goto fail;
service_set_state(s, SERVICE_AUTO_RESTART);
} else
- service_set_state(s, s->failure ? SERVICE_MAINTENANCE : SERVICE_DEAD);
+ service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
+
+ s->forbid_restart = false;
return;
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,
static void service_enter_signal(Service *s, ServiceState state, bool success) {
int r;
- bool sent = false;
+ Set *pid_set = NULL;
+ bool wait_for_exit = false;
assert(s);
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->exec_context.kill_mode == KILL_CONTROL_GROUP) {
+ if (s->main_pid > 0) {
+ 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 = !s->main_pid_alien;
+ }
- if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) {
- if (r != -EAGAIN && r != -ESRCH)
- goto fail;
- } else
- sent = true;
+ if (s->control_pid > 0) {
+ 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 (!sent) {
- r = 0;
+ if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
- if (s->main_pid > 0) {
- if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
- r = -errno;
- else
- sent = true;
+ if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
+ r = -ENOMEM;
+ goto fail;
}
- if (s->control_pid > 0) {
- if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
- r = -errno;
- else
- sent = true;
- }
+ /* Exclude the main/control pids from being killed via the cgroup */
+ if (s->main_pid > 0)
+ if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
+ goto fail;
- if (r < 0)
- goto fail;
+ if (s->control_pid > 0)
+ 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, 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;
}
}
- if (sent && (s->main_pid > 0 || s->control_pid > 0)) {
+ if (wait_for_exit) {
if (s->timeout_usec > 0)
if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
goto fail;
service_enter_stop_post(s, false);
else
service_enter_dead(s, false, true);
+
+ if (pid_set)
+ set_free(pid_set);
}
static void service_enter_stop(Service *s, bool success) {
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,
if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
(s->bus_name_good || s->type != SERVICE_DBUS))
service_set_state(s, SERVICE_RUNNING);
- else if (s->valid_no_process)
+ else if (s->remain_after_exit)
service_set_state(s, SERVICE_EXITED);
else
service_enter_stop(s, true);
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_START_POST;
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,
static void service_enter_start(Service *s) {
pid_t pid;
int r;
+ ExecCommand *c;
assert(s);
assert(s->exec_command[SERVICE_EXEC_START]);
- assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
+ assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
if (s->type == SERVICE_FORKING)
service_unwatch_control_pid(s);
else
service_unwatch_main_pid(s);
+ 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->exec_command[SERVICE_EXEC_START],
+ c,
s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
true,
true,
/* For forking services we wait until the start
* process exited. */
- s->control_command_id = SERVICE_EXEC_START;
- s->control_command = s->exec_command[SERVICE_EXEC_START];
-
s->control_pid = pid;
service_set_state(s, SERVICE_START);
- } else if (s->type == SERVICE_FINISH ||
+ } else if (s->type == SERVICE_ONESHOT ||
s->type == SERVICE_DBUS ||
s->type == SERVICE_NOTIFY) {
- /* For finishing services we wait until the start
+ /* For oneshot services we wait until the start
* process exited, too, but it is our main process. */
/* For D-Bus services we know the main pid right away,
service_unwatch_control_pid(s);
- s->control_command_id = SERVICE_EXEC_START_PRE;
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
+ s->control_command_id = SERVICE_EXEC_START_PRE;
+
if ((r = service_spawn(s,
s->control_command,
true,
assert(s);
dbus_error_init(&error);
+ if (s->meta.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);
- if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL, NULL)) < 0)
+ if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
goto fail;
log_debug("%s scheduled restart job.", s->meta.id);
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,
fail:
log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
- service_enter_stop(s, false);
+ s->reload_failure = true;
+ service_enter_running(s, true);
}
-static void service_run_next(Service *s, bool success) {
+static void service_run_next_control(Service *s, bool success) {
int r;
assert(s);
if (!success)
s->failure = true;
- s->control_command = s->control_command->command_next;
+ assert(s->control_command_id != SERVICE_EXEC_START);
+ s->control_command = s->control_command->command_next;
service_unwatch_control_pid(s);
if ((r = service_spawn(s,
return;
fail:
- log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
if (s->state == SERVICE_START_PRE)
service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
else if (s->state == SERVICE_STOP_POST)
service_enter_dead(s, false, true);
- else
+ else if (s->state == SERVICE_RELOAD) {
+ s->reload_failure = true;
+ service_enter_running(s, true);
+ } else
service_enter_stop(s, false);
}
+static void service_run_next_main(Service *s, bool success) {
+ pid_t pid;
+ int r;
+
+ assert(s);
+ assert(s->main_command);
+ assert(s->main_command->command_next);
+ assert(s->type == SERVICE_ONESHOT);
+
+ if (!success)
+ s->failure = true;
+
+ s->main_command = s->main_command->command_next;
+ service_unwatch_main_pid(s);
+
+ if ((r = service_spawn(s,
+ s->main_command,
+ false,
+ true,
+ true,
+ true,
+ true,
+ s->notify_access != NOTIFY_NONE,
+ &pid)) < 0)
+ goto fail;
+
+ service_set_main_pid(s, pid);
+
+ return;
+
+fail:
+ log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
+ service_enter_stop(s, false);
+}
+
static int service_start(Unit *u) {
Service *s = SERVICE(u);
s->state == SERVICE_START_POST)
return 0;
- assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTENANCE || s->state == SERVICE_AUTO_RESTART);
+ 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)) {
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;
+ s->main_pid_alien = false;
+ s->forbid_restart = false;
service_enter_start_pre(s);
return 0;
/* This is a user request, so don't do restarts on this
* shutdown. */
- s->allow_restart = false;
+ s->forbid_restart = true;
/* Already on it */
if (s->state == SERVICE_STOP ||
if (s->main_exec_status.pid > 0) {
unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
+ dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp);
+ dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp);
- if (s->main_exec_status.start_timestamp.realtime > 0) {
- unit_serialize_item_format(u, f, "main-exec-status-start-realtime",
- "%llu", (unsigned long long) s->main_exec_status.start_timestamp.realtime);
-
- unit_serialize_item_format(u, f, "main-exec-status-start-monotonic",
- "%llu", (unsigned long long) s->main_exec_status.start_timestamp.monotonic);
- }
-
- if (s->main_exec_status.exit_timestamp.realtime > 0) {
- unit_serialize_item_format(u, f, "main-exec-status-exit-realtime",
- "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.realtime);
- unit_serialize_item_format(u, f, "main-exec-status-exit-monotonic",
- "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.monotonic);
-
+ if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) {
unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
}
static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
Service *s = SERVICE(u);
- int r;
assert(u);
assert(key);
} else if (streq(key, "control-pid")) {
pid_t pid;
- if ((r = parse_pid(value, &pid)) < 0)
+ if (parse_pid(value, &pid) < 0)
log_debug("Failed to parse control-pid value %s", value);
else
s->control_pid = pid;
} else if (streq(key, "main-pid")) {
pid_t pid;
- if ((r = parse_pid(value, &pid)) < 0)
+ if (parse_pid(value, &pid) < 0)
log_debug("Failed to parse main-pid value %s", value);
else
service_set_main_pid(s, (pid_t) pid);
} else if (streq(key, "main-exec-status-pid")) {
pid_t pid;
- if ((r = parse_pid(value, &pid)) < 0)
+ if (parse_pid(value, &pid) < 0)
log_debug("Failed to parse main-exec-status-pid value %s", value);
else
s->main_exec_status.pid = pid;
} else if (streq(key, "main-exec-status-code")) {
int i;
- if ((r = safe_atoi(value, &i)) < 0)
+ if (safe_atoi(value, &i) < 0)
log_debug("Failed to parse main-exec-status-code value %s", value);
else
s->main_exec_status.code = i;
} else if (streq(key, "main-exec-status-status")) {
int i;
- if ((r = safe_atoi(value, &i)) < 0)
+ if (safe_atoi(value, &i) < 0)
log_debug("Failed to parse main-exec-status-status value %s", value);
else
s->main_exec_status.status = i;
- } else if (streq(key, "main-exec-status-start-realtime")) {
- uint64_t k;
-
- if ((r = safe_atou64(value, &k)) < 0)
- log_debug("Failed to parse main-exec-status-start-realtime value %s", value);
- else
- s->main_exec_status.start_timestamp.realtime = (usec_t) k;
- } else if (streq(key, "main-exec-status-start-monotonic")) {
- uint64_t k;
-
- if ((r = safe_atou64(value, &k)) < 0)
- log_debug("Failed to parse main-exec-status-start-monotonic value %s", value);
- else
- s->main_exec_status.start_timestamp.monotonic = (usec_t) k;
- } else if (streq(key, "main-exec-status-exit-realtime")) {
- uint64_t k;
-
- if ((r = safe_atou64(value, &k)) < 0)
- log_debug("Failed to parse main-exec-status-exit-realtime value %s", value);
- else
- s->main_exec_status.exit_timestamp.realtime = (usec_t) k;
- } else if (streq(key, "main-exec-status-exit-monotonic")) {
- uint64_t k;
-
- if ((r = safe_atou64(value, &k)) < 0)
- log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value);
- else
- s->main_exec_status.exit_timestamp.monotonic = (usec_t) k;
- } else
+ } else if (streq(key, "main-exec-status-start"))
+ 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
log_debug("Unknown serialization key '%s'", key);
return 0;
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) {
assert(s);
assert(pid >= 0);
- success = is_clean_exit(code, status);
+ if (!s->meta.fragment_path)
+ success = is_clean_exit_lsb(code, status);
+ else
+ success = is_clean_exit(code, status);
if (s->main_pid == pid) {
- exec_status_exit(&s->main_exec_status, pid, code, status);
s->main_pid = 0;
+ exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, 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 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->exec_command[SERVICE_EXEC_START]->ignore)
+ if (s->main_command->ignore)
success = true;
}
"%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. */
+ if (s->main_command &&
+ s->main_command->command_next &&
+ success) {
- switch (s->state) {
+ /* There is another command to *
+ * execute, so let's do that. */
- case SERVICE_START_POST:
- case SERVICE_RELOAD:
- case SERVICE_STOP:
- /* Need to wait until the operation is
- * done */
- break;
+ 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);
- case SERVICE_START:
- if (s->type == SERVICE_FINISH) {
- /* This was our main goal, so let's go on */
- if (success)
- service_enter_start_post(s);
- else
- service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ } else {
+
+ /* The service exited, so the service is officially
+ * gone. */
+ s->main_command = NULL;
+
+ switch (s->state) {
+
+ case SERVICE_START_POST:
+ case SERVICE_RELOAD:
+ case SERVICE_STOP:
+ /* Need to wait until the operation is
+ * done */
break;
- } else {
- assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
- /* Fall through */
- }
+ case SERVICE_START:
+ if (s->type == SERVICE_ONESHOT) {
+ /* This was our main goal, so let's go on */
+ if (success)
+ service_enter_start_post(s);
+ else
+ service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+ break;
+ } else {
+ assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
- case SERVICE_RUNNING:
- service_enter_running(s, success);
- break;
+ /* Fall through */
+ }
- case SERVICE_STOP_SIGTERM:
- case SERVICE_STOP_SIGKILL:
+ case SERVICE_RUNNING:
+ service_enter_running(s, success);
+ break;
- if (!control_pid_good(s))
- service_enter_stop_post(s, success);
+ case SERVICE_STOP_SIGTERM:
+ case SERVICE_STOP_SIGKILL:
- /* If there is still a control process, wait for that first */
- break;
+ if (!control_pid_good(s))
+ service_enter_stop_post(s, success);
- default:
- assert_not_reached("Uh, main process died at wrong time.");
+ /* If there is still a control process, wait for that first */
+ break;
+
+ default:
+ assert_not_reached("Uh, main process died at wrong time.");
+ }
}
} else if (s->control_pid == pid) {
+ s->control_pid = 0;
+
if (s->control_command) {
- exec_status_exit(&s->control_command->exec_status, pid, code, status);
+ exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
if (s->control_command->ignore)
success = true;
}
- s->control_pid = 0;
-
- log_full(success ? LOG_DEBUG : LOG_NOTICE,
+ 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. */
-
- if (s->control_command && s->control_command->command_next && success) {
+ if (s->control_command &&
+ s->control_command->command_next &&
+ success) {
/* There is another command to *
* execute, so let's do that. */
- log_debug("%s running next command for state %s", u->meta.id, service_state_to_string(s->state));
- service_run_next(s, success);
+ 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);
} else {
/* No further commands for this step, so let's
* START_POST script */
if (success) {
- if (s->pid_file)
- service_load_pid_file(s);
+ service_load_pid_file(s);
+ service_search_main_pid(s);
service_enter_start_post(s);
} else
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);
}
- /* Fall through */
+ s->reload_failure = !success;
+ service_enter_running(s, true);
+ break;
case SERVICE_RELOAD:
- if (success)
- service_enter_running(s, true);
- else
- service_enter_stop(s, false);
+ if (success) {
+ service_load_pid_file(s);
+ service_search_main_pid(s);
+ }
+ s->reload_failure = !success;
+ service_enter_running(s, true);
break;
case SERVICE_STOP:
}
}
}
+
+ /* Notify clients about changed exit status */
+ unit_add_to_dbus_queue(u);
}
static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
break;
case SERVICE_START_POST:
- case SERVICE_RELOAD:
log_warning("%s operation timed out. Stopping.", u->meta.id);
service_enter_stop(s, false);
break;
+ case SERVICE_RELOAD:
+ log_warning("%s operation timed out. Stopping.", u->meta.id);
+ s->reload_failure = true;
+ service_enter_running(s, true);
+ break;
+
case SERVICE_STOP:
log_warning("%s stopping timed out. Terminating.", u->meta.id);
service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
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->meta.id);
+ service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
+ } else {
+ log_warning("%s stopping timed out. Skipping SIGKILL.", u->meta.id);
+ service_enter_stop_post(s, false);
+ }
+
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 */
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->meta.id);
+ service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
+ } else {
+ log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->meta.id);
+ service_enter_dead(s, false, true);
+ }
+
break;
case SERVICE_FINAL_SIGKILL:
- log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id);
+ log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
service_enter_dead(s, false, true);
break;
service_enter_running(s, true);
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);
+
+ 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);
+
+ break;
+
default:
;
}
}
}
+
+ /* 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;
assert(m);
+ if (m->running_as != MANAGER_SYSTEM)
+ return 0;
+
+ zero(runlevel_services);
+
STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
struct dirent *de;
}
while ((de = readdir(d))) {
- Unit *service;
int a, b;
if (ignore_file(de->d_name))
continue;
}
- if (de->d_name[0] == 'S' &&
- (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);
+ if (de->d_name[0] == 'S') {
- manager_dispatch_load_queue(m);
- service = unit_follow_merge(service);
+ if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
+ SERVICE(service)->sysv_start_priority_from_rcnd =
+ MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd);
- /* If this is a native service, rely
- * on native ways to pull in a
- * service, don't pull it in via sysv
- * rcN.d links. */
- if (service->meta.fragment_path)
- continue;
+ SERVICE(service)->sysv_enabled = true;
+ }
- if (de->d_name[0] == 'S') {
+ if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
+ goto finish;
- if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
+ if ((r = set_put(runlevel_services[i], service)) < 0)
goto finish;
} else if (de->d_name[0] == 'K' &&
(rcnd_table[i].type == RUNLEVEL_DOWN ||
rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
- /* 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
- * 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 shutdown
- * target.*/
-
- if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
+ if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
+ goto finish;
+
+ if ((r = set_put(shutdown_services, service)) < 0)
goto finish;
}
}
}
+ /* Now we loaded all stubs and are aware of the lowest
+ start-up priority for all services, not let's actually load
+ the services, this will also tell us which services are
+ actually native now */
+ manager_dispatch_load_queue(m);
+
+ /* If this is a native service, rely on native ways to pull in
+ * a service, don't pull it in via sysv rcN.d links. */
+ for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
+ SET_FOREACH(service, runlevel_services[i], j) {
+ service = unit_follow_merge(service);
+
+ if (service->meta.fragment_path)
+ continue;
+
+ if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
+ goto finish;
+ }
+
+ /* 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 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
+ * shutdown target.*/
+ SET_FOREACH(service, shutdown_services, j) {
+ service = unit_follow_merge(service);
+
+ if (service->meta.fragment_path)
+ continue;
+
+ if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
+ goto finish;
+ }
+
r = 0;
finish:
free(fpath);
free(name);
+ for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
+ set_free(runlevel_services[i]);
+ set_free(shutdown_services);
+
if (d)
closedir(d);
return r;
}
+#endif
static void service_bus_name_owner_change(
Unit *u,
s->socket_fd = fd;
s->got_socket_fd = true;
- s->socket = sock;
+ s->accept_socket = sock;
return 0;
}
-static void service_reset_maintenance(Unit *u) {
+static void service_reset_failed(Unit *u) {
Service *s = SERVICE(u);
assert(s);
- if (s->state == SERVICE_MAINTENANCE)
+ if (s->state == SERVICE_FAILED)
service_set_state(s, SERVICE_DEAD);
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;
+ Set *pid_set = NULL;
+
+ assert(s);
+
+ if (s->main_pid <= 0 && who == KILL_MAIN) {
+ dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill");
+ return -EINVAL;
+ }
+
+ if (s->control_pid <= 0 && who == KILL_CONTROL) {
+ dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
+ return -ENOENT;
+ }
+
+ if (s->control_pid > 0)
+ if (kill(s->control_pid, signo) < 0)
+ r = -errno;
+
+ if (s->main_pid > 0)
+ if (kill(s->main_pid, signo) < 0)
+ r = -errno;
+
+ if (mode == KILL_CONTROL_GROUP) {
+ int q;
+
+ if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
+ return -ENOMEM;
+
+ /* Exclude the control/main pid from being killed via the cgroup */
+ if (s->control_pid > 0)
+ if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
+ r = q;
+ goto finish;
+ }
+
+ if (s->main_pid > 0)
+ if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) {
+ r = q;
+ goto finish;
+ }
+
+ if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, false, pid_set)) < 0)
+ if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+ r = q;
+ }
+
+finish:
+ if (pid_set)
+ set_free(pid_set);
+
+ return r;
+}
+
static const char* const service_state_table[_SERVICE_STATE_MAX] = {
[SERVICE_DEAD] = "dead",
[SERVICE_START_PRE] = "start-pre",
[SERVICE_STOP_POST] = "stop-post",
[SERVICE_FINAL_SIGTERM] = "final-sigterm",
[SERVICE_FINAL_SIGKILL] = "final-sigkill",
- [SERVICE_MAINTENANCE] = "maintenance",
+ [SERVICE_FAILED] = "failed",
[SERVICE_AUTO_RESTART] = "auto-restart",
};
DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
- [SERVICE_ONCE] = "once",
- [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
- [SERVICE_RESTART_ALWAYS] = "restart-always",
+ [SERVICE_RESTART_NO] = "no",
+ [SERVICE_RESTART_ON_SUCCESS] = "on-success",
+ [SERVICE_RESTART_ON_FAILURE] = "on-failure",
+ [SERVICE_RESTART_ON_ABORT] = "on-abort",
+ [SERVICE_RESTART_ALWAYS] = "always"
};
DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
[SERVICE_SIMPLE] = "simple",
[SERVICE_FORKING] = "forking",
- [SERVICE_FINISH] = "finish",
+ [SERVICE_ONESHOT] = "oneshot",
[SERVICE_DBUS] = "dbus",
[SERVICE_NOTIFY] = "notify"
};
.can_reload = service_can_reload,
+ .kill = service_kill,
+
.serialize = service_serialize,
.deserialize_item = service_deserialize_item,
.sigchld_event = service_sigchld_event,
.timer_event = service_timer_event,
- .reset_maintenance = service_reset_maintenance,
+ .reset_failed = service_reset_failed,
+
+ .need_daemon_reload = service_need_daemon_reload,
.cgroup_notify_empty = service_cgroup_notify_event,
.notify_message = service_notify_message,
.bus_name_owner_change = service_bus_name_owner_change,
.bus_query_pid_done = service_bus_query_pid_done,
+ .bus_interface = "org.freedesktop.systemd1.Service",
.bus_message_handler = bus_service_message_handler,
+ .bus_invalidating_properties = bus_service_invalidating_properties,
+#ifdef HAVE_SYSV_COMPAT
.enumerate = service_enumerate
+#endif
};
~ianmdlvl / elogind.git / blobdiff