diff options
Diffstat (limited to 'src/libsystemd-bus')
| -rw-r--r-- | src/libsystemd-bus/bus-message.c | 44 | ||||
| -rw-r--r-- | src/libsystemd-bus/bus-message.h | 1 | ||||
| -rw-r--r-- | src/libsystemd-bus/sd-bus.c | 5 |
3 files changed, 30 insertions, 20 deletions
diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c index 4c5588cf8a..ccea12055d 100644 --- a/src/libsystemd-bus/bus-message.c +++ b/src/libsystemd-bus/bus-message.c @@ -245,6 +245,8 @@ int sd_bus_message_new_signal( return -EINVAL; if (!member) return -EINVAL; + if (!m) + return -EINVAL; t = message_new(bus, SD_BUS_MESSAGE_TYPE_SIGNAL); if (!t) @@ -283,6 +285,8 @@ int sd_bus_message_new_method_call( return -EINVAL; if (!member) return -EINVAL; + if (!m) + return -EINVAL; t = message_new(bus, SD_BUS_MESSAGE_TYPE_METHOD_CALL); if (!t) @@ -315,9 +319,10 @@ fail: return r; } -int sd_bus_message_new_method_return( +static int message_new_reply( sd_bus *bus, sd_bus_message *call, + uint8_t type, sd_bus_message **m) { sd_bus_message *t; @@ -327,12 +332,15 @@ int sd_bus_message_new_method_return( return -EINVAL; if (call->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL) return -EINVAL; + if (!m) + return -EINVAL; - t = message_new(bus, SD_BUS_MESSAGE_TYPE_METHOD_RETURN); + t = message_new(bus, type); if (!t) return -ENOMEM; t->reply_serial = BUS_MESSAGE_SERIAL(call); + r = message_append_field_uint32(t, SD_BUS_MESSAGE_HEADER_REPLY_SERIAL, t->reply_serial); if (r < 0) goto fail; @@ -343,14 +351,23 @@ int sd_bus_message_new_method_return( goto fail; } + t->dont_send = !!(call->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED); + *m = t; - return 0; fail: message_free(t); return r; } +int sd_bus_message_new_method_return( + sd_bus *bus, + sd_bus_message *call, + sd_bus_message **m) { + + return message_new_reply(bus, call, SD_BUS_MESSAGE_TYPE_METHOD_RETURN, m); +} + int sd_bus_message_new_method_error( sd_bus *bus, sd_bus_message *call, @@ -360,29 +377,16 @@ int sd_bus_message_new_method_error( sd_bus_message *t; int r; - if (!call) - return -EINVAL; - if (call->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL) - return -EINVAL; if (!e) return -EINVAL; if (!e->name) return -EINVAL; + if (!m) + return -EINVAL; - t = message_new(bus, SD_BUS_MESSAGE_TYPE_METHOD_ERROR); - if (!t) - return -ENOMEM; - - t->reply_serial = BUS_MESSAGE_SERIAL(call); - r = message_append_field_uint32(t, SD_BUS_MESSAGE_HEADER_REPLY_SERIAL, t->reply_serial); + r = message_new_reply(bus, call, SD_BUS_MESSAGE_TYPE_METHOD_ERROR, &t); if (r < 0) - goto fail; - - if (call->sender) { - r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, call->sender, &t->sender); - if (r < 0) - goto fail; - } + return r; r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, e->name, &t->error.name); if (r < 0) diff --git a/src/libsystemd-bus/bus-message.h b/src/libsystemd-bus/bus-message.h index c62659e424..bfd2b12280 100644 --- a/src/libsystemd-bus/bus-message.h +++ b/src/libsystemd-bus/bus-message.h @@ -71,6 +71,7 @@ struct sd_bus_message { bool free_header:1; bool free_fields:1; bool free_body:1; + bool dont_send:1; struct bus_header *header; void *fields; diff --git a/src/libsystemd-bus/sd-bus.c b/src/libsystemd-bus/sd-bus.c index d80f09793c..f7d7644463 100644 --- a/src/libsystemd-bus/sd-bus.c +++ b/src/libsystemd-bus/sd-bus.c @@ -996,6 +996,11 @@ int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *serial) { if (r < 0) return r; + /* If this is a reply and no reply was requested, then let's + * suppress this, if we can */ + if (m->dont_send && !serial) + return 0; + if (bus->wqueue_size <= 0) { size_t idx = 0; |