unit: optionally allow making cgroup attribute changes persistent

[elogind.git] / src / core / service.c

diff --git a/src/core/service.c b/src/core/service.c
index 2a4e691e789fd0a9e3a44c9b1c0b755d72fdc111..ee5a1a41e574b58b51f6894b9bd968a1127bceee 100644 (file)
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -322,17 +322,18 @@ static void service_done(Unit *u) {
 static char *sysv_translate_name(const char *name) {
         char *r;
 
-        if (!(r = new(char, strlen(name) + sizeof(".service"))))
+        r = new(char, strlen(name) + sizeof(".service"));
+        if (!r)
                 return NULL;
 
         if (endswith(name, ".sh"))
-                /* Drop Debian-style .sh suffix */
+                /* Drop .sh suffix */
                 strcpy(stpcpy(r, name) - 3, ".service");
         if (startswith(name, "rc."))
-                /* Drop Frugalware-style rc. prefix */
+                /* Drop rc. prefix */
                 strcpy(stpcpy(r, name + 3), ".service");
         else
-                /* Normal init scripts */
+                /* Normal init script name */
                 strcpy(stpcpy(r, name), ".service");
 
         return r;
@@ -348,24 +349,13 @@ static int sysv_translate_facility(const char *name, const char *filename, char
 
         static const char * const table[] = {
                 /* LSB defined facilities */
-                "local_fs",             SPECIAL_LOCAL_FS_TARGET,
-                /* 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 */
+                "local_fs",             NULL,
                 "network",              SPECIAL_NETWORK_TARGET,
                 "named",                SPECIAL_NSS_LOOKUP_TARGET,
                 "portmap",              SPECIAL_RPCBIND_TARGET,
                 "remote_fs",            SPECIAL_REMOTE_FS_TARGET,
-                "syslog",               SPECIAL_SYSLOG_TARGET,
+                "syslog",               NULL,
                 "time",                 SPECIAL_TIME_SYNC_TARGET,
-
-                /* common extensions */
-                "mail-transfer-agent",  SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
-                "x-display-manager",    SPECIAL_DISPLAY_MANAGER_SERVICE,
-                "null",                 NULL,
-                "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
-                "smtp",                 SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
         };
 
         unsigned i;
@@ -385,8 +375,9 @@ static int sysv_translate_facility(const char *name, const char *filename, char
                 if (!table[i+1])
                         return 0;
 
-                if (!(r = strdup(table[i+1])))
-                        return -ENOMEM;
+                r = strdup(table[i+1]);
+                if (!r)
+                        return log_oom();
 
                 goto finish;
         }
@@ -815,7 +806,6 @@ static int service_load_sysv_path(Service *s, const char *path) {
                                         }
 
                                         r = sysv_translate_facility(n, path_get_file_name(path), &m);
-
                                         if (r < 0) {
                                                 log_error_unit(u->id,
                                                                "[%s:%u] Failed to translate LSB dependency %s, ignoring: %s",
@@ -1012,14 +1002,14 @@ static int service_load_sysv_name(Service *s, const char *name) {
                 r = service_load_sysv_path(s, path);
 
                 if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
-                        /* Try Debian style *.sh source'able init scripts */
+                        /* Try *.sh source'able init scripts */
                         strcat(path, ".sh");
                         r = service_load_sysv_path(s, path);
                 }
                 free(path);
 
                 if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
-                        /* Try Frugalware style rc.* init scripts */
+                        /* Try rc.* init scripts */
 
                         path = strjoin(*p, "/rc.", name, NULL);
                         if (!path)
@@ -1531,6 +1521,9 @@ static void service_set_state(Service *s, ServiceState state) {
                 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
         }
 
+        if (state == SERVICE_FAILED)
+                service_notify_sockets_dead(s, s->result == SERVICE_FAILURE_START_LIMIT);
+
         if (state == SERVICE_DEAD ||
             state == SERVICE_STOP ||
             state == SERVICE_STOP_SIGTERM ||
@@ -1538,7 +1531,6 @@ static void service_set_state(Service *s, ServiceState state) {
             state == SERVICE_STOP_POST ||
             state == SERVICE_FINAL_SIGTERM ||
             state == SERVICE_FINAL_SIGKILL ||
-            state == SERVICE_FAILED ||
             state == SERVICE_AUTO_RESTART)
                 service_notify_sockets_dead(s, false);
 
@@ -2926,24 +2918,34 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                 s->main_pid = 0;
                 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
-                 * status so that it is recorded both as main and as
-                 * control process exit status */
                 if (s->main_command) {
+                        /* 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 */
+
                         s->main_command->exec_status = s->main_exec_status;
 
                         if (s->main_command->ignore)
                                 f = SERVICE_SUCCESS;
+                } else if (s->exec_command[SERVICE_EXEC_START]) {
+
+                        /* If this is a forked process, then we should
+                         * ignore the return value if this was
+                         * configured for the starter process */
+
+                        if (s->exec_command[SERVICE_EXEC_START]->ignore)
+                                f = SERVICE_SUCCESS;
                 }
 
-                log_struct(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+                log_struct_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+                           u->id,
                            "MESSAGE=%s: main process exited, code=%s, status=%i/%s",
                                   u->id, sigchld_code_to_string(code), status,
                                   strna(code == CLD_EXITED
                                         ? exit_status_to_string(status, EXIT_STATUS_FULL)
                                         : signal_to_string(status)),
-                           "UNIT=%s", u->id,
                            "EXIT_CODE=%s", sigchld_code_to_string(code),
                            "EXIT_STATUS=%i", status,
                            NULL);
@@ -3830,13 +3832,15 @@ DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction);
 
 const UnitVTable service_vtable = {
         .object_size = sizeof(Service),
-        .exec_context_offset = offsetof(Service, exec_context),
 
         .sections =
                 "Unit\0"
                 "Service\0"
                 "Install\0",
 
+        .exec_context_offset = offsetof(Service, exec_context),
+        .exec_section = "Service",
+
         .init = service_init,
         .done = service_done,
         .load = service_load,