+static int dispatch_result(int result_shmid, callback_result_handler *handler,
+ void *private_result_data)
+{
+ struct osl_object result;
+ void *result_shm;
+ int ret2, ret = shm_attach(result_shmid, ATTACH_RO, &result_shm);
+ struct callback_result *cr = result_shm;
+
+ if (ret < 0) {
+ PARA_ERROR_LOG("attach failed: %s\n", para_strerror(-ret));
+ return ret;
+ }
+ result.size = cr->result_size;
+ result.data = result_shm + sizeof(*cr);
+ if (result.size) {
+ assert(handler);
+ ret = handler(&result, private_result_data);
+ if (ret < 0)
+ PARA_NOTICE_LOG("result handler error: %s\n",
+ para_strerror(-ret));
+ }
+ ret2 = shm_detach(result_shm);
+ if (ret2 < 0) {
+ PARA_ERROR_LOG("detach failed: %s\n", para_strerror(-ret2));
+ if (ret >= 0)
+ ret = ret2;
+ }
+ return ret;
+}
+