chiark / gitweb /
sd-daemon: Add sd_is_special for special file descriptors
[elogind.git] / src / initctl.c
index 10db2dda188e95eae7d6ae814a0ea8c35fb95381..dd743142fd10dff952f8d20c5854eca26838f412 100644 (file)
 #include "special.h"
 #include "sd-daemon.h"
 #include "dbus-common.h"
+#include "def.h"
 
 #define SERVER_FD_MAX 16
-#define TIMEOUT ((int) (10*MSEC_PER_SEC))
+#define TIMEOUT_MSEC ((int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC))
 
 typedef struct Fifo Fifo;
 
@@ -68,27 +69,32 @@ struct Fifo {
         LIST_FIELDS(Fifo, fifo);
 };
 
-static const char *translate_runlevel(int runlevel) {
+static const char *translate_runlevel(int runlevel, bool *isolate) {
         static const struct {
                 const int runlevel;
                 const char *special;
+                bool isolate;
         } table[] = {
-                { '0', SPECIAL_POWEROFF_TARGET },
-                { '1', SPECIAL_RESCUE_TARGET },
-                { 's', SPECIAL_RESCUE_TARGET },
-                { 'S', SPECIAL_RESCUE_TARGET },
-                { '2', SPECIAL_RUNLEVEL2_TARGET },
-                { '3', SPECIAL_RUNLEVEL3_TARGET },
-                { '4', SPECIAL_RUNLEVEL4_TARGET },
-                { '5', SPECIAL_RUNLEVEL5_TARGET },
-                { '6', SPECIAL_REBOOT_TARGET },
+                { '0', SPECIAL_POWEROFF_TARGET,  false },
+                { '1', SPECIAL_RESCUE_TARGET,    true  },
+                { 's', SPECIAL_RESCUE_TARGET,    true  },
+                { 'S', SPECIAL_RESCUE_TARGET,    true  },
+                { '2', SPECIAL_RUNLEVEL2_TARGET, true  },
+                { '3', SPECIAL_RUNLEVEL3_TARGET, true  },
+                { '4', SPECIAL_RUNLEVEL4_TARGET, true  },
+                { '5', SPECIAL_RUNLEVEL5_TARGET, true  },
+                { '6', SPECIAL_REBOOT_TARGET,    false },
         };
 
         unsigned i;
 
+        assert(isolate);
+
         for (i = 0; i < ELEMENTSOF(table); i++)
-                if (table[i].runlevel == runlevel)
+                if (table[i].runlevel == runlevel) {
+                        *isolate = table[i].isolate;
                         return table[i].special;
+                }
 
         return NULL;
 }
@@ -97,18 +103,24 @@ static void change_runlevel(Server *s, int runlevel) {
         const char *target;
         DBusMessage *m = NULL, *reply = NULL;
         DBusError error;
-        const char *replace = "replace";
+        const char *mode;
+        bool isolate = false;
 
         assert(s);
 
         dbus_error_init(&error);
 
-        if (!(target = translate_runlevel(runlevel))) {
+        if (!(target = translate_runlevel(runlevel, &isolate))) {
                 log_warning("Got request for unknown runlevel %c, ignoring.", runlevel);
                 goto finish;
         }
 
-        log_debug("Running request %s", target);
+        if (isolate)
+                mode = "isolate";
+        else
+                mode = "replace";
+
+        log_debug("Running request %s/start/%s", target, mode);
 
         if (!(m = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit"))) {
                 log_error("Could not allocate message.");
@@ -117,7 +129,7 @@ static void change_runlevel(Server *s, int runlevel) {
 
         if (!dbus_message_append_args(m,
                                       DBUS_TYPE_STRING, &target,
-                                      DBUS_TYPE_STRING, &replace,
+                                      DBUS_TYPE_STRING, &mode,
                                       DBUS_TYPE_INVALID)) {
                 log_error("Could not attach target and flag information to message.");
                 goto finish;
@@ -377,7 +389,7 @@ int main(int argc, char *argv[]) {
 
                 if ((k = epoll_wait(server.epoll_fd,
                                     &event, 1,
-                                    TIMEOUT)) < 0) {
+                                    TIMEOUT_MSEC)) < 0) {
 
                         if (errno == EINTR)
                                 continue;