1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "apr_arch_dso.h" 18#include "apr_portable.h" 19 20#if APR_HAS_DSO 21 22static apr_status_t dso_cleanup(void *thedso) 23{ 24 apr_dso_handle_t *dso = thedso; 25 26 if (dso->handle > 0 && unload_add_on(dso->handle) < B_NO_ERROR) 27 return APR_EINIT; 28 dso->handle = -1; 29 30 return APR_SUCCESS; 31} 32 33APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 34 const char *path, apr_pool_t *pool) 35{ 36 image_id newid = -1; 37 38 *res_handle = apr_pcalloc(pool, sizeof(*res_handle)); 39 40 if((newid = load_add_on(path)) < B_NO_ERROR) { 41 (*res_handle)->errormsg = strerror(newid); 42 return APR_EDSOOPEN; 43 } 44 45 (*res_handle)->pool = pool; 46 (*res_handle)->handle = newid; 47 48 apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null); 49 50 return APR_SUCCESS; 51} 52 53APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle) 54{ 55 return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup); 56} 57 58APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, apr_dso_handle_t *handle, 59 const char *symname) 60{ 61 int err; 62 63 if (symname == NULL) 64 return APR_ESYMNOTFOUND; 65 66 err = get_image_symbol(handle->handle, symname, B_SYMBOL_TYPE_ANY, 67 ressym); 68 69 if(err != B_OK) 70 return APR_ESYMNOTFOUND; 71 72 return APR_SUCCESS; 73} 74 75APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, apr_size_t buflen) 76{ 77 strncpy(buffer, strerror(errno), buflen); 78 return buffer; 79} 80 81APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso, 82 apr_os_dso_handle_t osdso, 83 apr_pool_t *pool) 84{ 85 *aprdso = apr_pcalloc(pool, sizeof **aprdso); 86 (*aprdso)->handle = osdso; 87 (*aprdso)->pool = pool; 88 return APR_SUCCESS; 89} 90 91APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso, 92 apr_dso_handle_t *aprdso) 93{ 94 *osdso = aprdso->handle; 95 return APR_SUCCESS; 96} 97 98#endif 99