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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include "apr_portable.h"
18 #include "apr_strings.h"
19 #include "apr_arch_dso.h"
25 APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
26 apr_os_dso_handle_t osdso,
29 *aprdso = apr_pcalloc(pool, sizeof **aprdso);
30 (*aprdso)->handle = osdso;
31 (*aprdso)->pool = pool;
35 APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
36 apr_dso_handle_t *aprdso)
38 *osdso = aprdso->handle;
42 static apr_status_t dso_cleanup(void *thedso)
44 apr_dso_handle_t *dso = thedso;
50 rc = dllfree(dso->handle);
56 dso->failing_errno = errno;
60 APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle,
61 const char *path, apr_pool_t *ctx)
66 *res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
67 (*res_handle)->pool = ctx;
68 if ((handle = dllload(path)) != NULL) {
69 (*res_handle)->handle = handle;
70 apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
74 (*res_handle)->failing_errno = errno;
78 APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
80 return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
83 APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
84 apr_dso_handle_t *handle,
90 if ((var_ptr = dllqueryvar(handle->handle, symname)) != NULL) {
94 if ((func_ptr = (void *)dllqueryfn(handle->handle, symname)) != NULL) {
98 handle->failing_errno = errno;
99 return APR_ESYMNOTFOUND;
102 APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *handle, char *buffer,
105 apr_cpystrn(buffer, strerror(handle->failing_errno), buflen);