X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-util.c;h=f96c293984b014220f7d25cc63b721c63e069189;hb=7fb411f035e68b5f3f5e2893157739c9da9917b0;hp=3afcb82bcbe25c776d56e1861c0a6bd795695df1;hpb=11846aa74680bab65711427b1e7702e783b2894c;p=elogind.git

diff --git a/src/libsystemd-bus/bus-util.c b/src/libsystemd-bus/bus-util.c
index 3afcb82bc..f96c29398 100644
--- a/src/libsystemd-bus/bus-util.c
+++ b/src/libsystemd-bus/bus-util.c
@@ -35,18 +35,18 @@
 #include "bus-util.h"
 #include "bus-internal.h"
 
-static int quit_callback(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
+static int name_owner_change_callback(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
         sd_event *e = userdata;
 
         assert(bus);
         assert(m);
         assert(e);
 
-        sd_event_request_quit(e);
+        sd_event_exit(e, 0);
         return 1;
 }
 
-int bus_async_unregister_and_quit(sd_event *e, sd_bus *bus, const char *name) {
+int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name) {
         _cleanup_free_ char *match = NULL;
         const char *unique;
         int r;
@@ -55,6 +55,11 @@ int bus_async_unregister_and_quit(sd_event *e, sd_bus *bus, const char *name) {
         assert(bus);
         assert(name);
 
+        /* We unregister the name here and then wait for the
+         * NameOwnerChanged signal for this event to arrive before we
+         * quit. We do this in order to make sure that any queued
+         * requests are still processed before we really exit. */
+
         r = sd_bus_get_unique_name(bus, &unique);
         if (r < 0)
                 return r;
@@ -71,7 +76,7 @@ int bus_async_unregister_and_quit(sd_event *e, sd_bus *bus, const char *name) {
         if (r < 0)
                 return -ENOMEM;
 
-        r = sd_bus_add_match(bus, match, quit_callback, e);
+        r = sd_bus_add_match(bus, match, name_owner_change_callback, e);
         if (r < 0)
                 return r;
 
@@ -82,28 +87,40 @@ int bus_async_unregister_and_quit(sd_event *e, sd_bus *bus, const char *name) {
         return 0;
 }
 
-int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout) {
+int bus_event_loop_with_idle(
+                sd_event *e,
+                sd_bus *bus,
+                const char *name,
+                usec_t timeout,
+                check_idle_t check_idle,
+                void *userdata) {
         bool exiting = false;
-        int r;
+        int r, code;
 
         assert(e);
         assert(bus);
         assert(name);
 
         for (;;) {
+                bool idle;
+
                 r = sd_event_get_state(e);
                 if (r < 0)
                         return r;
-
                 if (r == SD_EVENT_FINISHED)
                         break;
 
-                r = sd_event_run(e, exiting ? (uint64_t) -1 : timeout);
+                if (check_idle)
+                        idle = check_idle(userdata);
+                else
+                        idle = true;
+
+                r = sd_event_run(e, exiting || !idle ? (uint64_t) -1 : timeout);
                 if (r < 0)
                         return r;
 
                 if (r == 0 && !exiting) {
-                        r = bus_async_unregister_and_quit(e, bus, name);
+                        r = bus_async_unregister_and_exit(e, bus, name);
                         if (r < 0)
                                 return r;
 
@@ -111,7 +128,11 @@ int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t
                 }
         }
 
-        return 0;
+        r = sd_event_get_exit_code(e, &code);
+        if (r < 0)
+                return r;
+
+        return code;
 }
 
 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error) {
@@ -203,8 +224,12 @@ int bus_verify_polkit(
                 }
 
                 r = sd_bus_message_enter_container(reply, 'r', "bba{ss}");
-                if (r >= 0)
-                        r = sd_bus_message_read(reply, "bb", &authorized, &challenge);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_read(reply, "bb", &authorized, &challenge);
+                if (r < 0)
+                        return r;
 
                 if (authorized)
                         return 1;
@@ -319,7 +344,7 @@ int bus_verify_polkit_async(
                         if (sd_bus_error_has_name(e, SD_BUS_ERROR_SERVICE_UNKNOWN))
                                 return -EACCES;
 
-                        return sd_bus_error_get_errno(e);
+                        return -sd_bus_error_get_errno(e);
                 }
 
                 r = sd_bus_message_enter_container(q->reply, 'r', "bba{ss}");
@@ -988,6 +1013,8 @@ int bus_map_all_properties(sd_bus *bus,
                                 r = prop->set(bus, member, m, &error, v);
                         else
                                 r = map_basic(bus, member, m, &error, v);
+                        if (r < 0)
+                                return r;
 
                         r = sd_bus_message_exit_container(m);
                         if (r < 0)