| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <dlfcn.h> |
| #include "port_thread_internal.h" |
| |
| |
| #define SHPORT_SH_NAME ("lib" CH_SHLIB_NAME ".so") |
| |
| volatile port_shared_data_t* port_shared_data = NULL; |
| |
| typedef int (*fn_port_init_shared_data_t)(volatile port_shared_data_t** pdata); |
| |
| |
| int init_port_shared_data() |
| { |
| void* native_handle; |
| fn_port_init_shared_data_t fn_ptr; |
| |
| if (port_shared_data) |
| return 0; |
| |
| native_handle = dlopen(SHPORT_SH_NAME, RTLD_NOW | RTLD_GLOBAL); |
| |
| if (native_handle == NULL) |
| return -1; |
| |
| fn_ptr = |
| (fn_port_init_shared_data_t)dlsym(native_handle, "port_init_shared_data"); |
| |
| if (!fn_ptr) |
| return -1; |
| |
| return fn_ptr(&port_shared_data); |
| } |