property_list_service: handle timeout condition on receive

this adds the new error code PROPERTY_LIST_SERVICE_E_TIMEOUT that
occurs if the given timeout is reached when trying to receive data.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/property_list_service.c b/src/property_list_service.c
index f1c3f86..28739c7 100644
--- a/src/property_list_service.c
+++ b/src/property_list_service.c
@@ -223,7 +223,10 @@ static property_list_service_error_t internal_plist_receive_timeout(property_lis
                 return PROPERTY_LIST_SERVICE_E_INVALID_ARG;
         }
 
-        service_receive_with_timeout(client->parent, (char*)&pktlen, sizeof(pktlen), &bytes, timeout);
+        service_error_t serr = service_receive_with_timeout(client->parent, (char*)&pktlen, sizeof(pktlen), &bytes, timeout);
+        if ((serr == SERVICE_E_SUCCESS) && (bytes == 0)) {
+                return PROPERTY_LIST_SERVICE_E_TIMEOUT;
+        }
         debug_info("initial read=%i", bytes);
         if (bytes < 4) {
                 debug_info("initial read failed!");