+void jcomm_bind_task(JNIEnv *env, jobject jcomm) {
+ jfieldID id_receiving = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "receiving", "Z");
+ jclass jclass = jxbt_get_class(env,"org/simgrid/msg/Comm");
+ jfieldID id_task = jxbt_get_jfield(env, jclass, "task", "Lorg/simgrid/msg/Task;");
+ jfieldID id_comm = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
+
+ msg_comm_t comm = (msg_comm_t) (long) (*env)->GetLongField(env, jcomm, id_comm);
+
+ //test if we are receiving or sending a task.
+ jboolean jreceiving = (*env)->GetBooleanField(env, jcomm, id_receiving);
+ if (jreceiving == JNI_TRUE) {
+ //bind the task object.
+ m_task_t task = MSG_comm_get_task(comm);
+ xbt_assert(task != NULL, "Task is NULL");
+ jobject jtask_global = MSG_task_get_data(task);
+ //case where the data has already been retrieved
+ if (jtask_global == NULL)
+ {
+ return;
+ }
+
+ //Make sure the data will be correctly gc.
+ jobject jtask_local = (*env)->NewLocalRef(env, jtask_global);
+ (*env)->DeleteGlobalRef(env, jtask_global);
+
+ (*env)->SetObjectField(env, jcomm, id_task, jtask_local);
+
+ MSG_task_set_data(task, NULL);
+ }