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
dso_cleanup(void * thedso)22 static 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
apr_dso_load(apr_dso_handle_t ** res_handle,const char * path,apr_pool_t * pool)33 APR_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
apr_dso_unload(apr_dso_handle_t * handle)53 APR_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
apr_dso_sym(apr_dso_handle_sym_t * ressym,apr_dso_handle_t * handle,const char * symname)58 APR_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
apr_dso_error(apr_dso_handle_t * dso,char * buffer,apr_size_t buflen)75 APR_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
apr_os_dso_handle_put(apr_dso_handle_t ** aprdso,apr_os_dso_handle_t osdso,apr_pool_t * pool)81 APR_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
apr_os_dso_handle_get(apr_os_dso_handle_t * osdso,apr_dso_handle_t * aprdso)91 APR_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