110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fspr_portable.h"
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#include "fspr_strings.h"
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#include "fspr_arch_dso.h"
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#include <errno.h>
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#include <string.h>
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#if APR_HAS_DSO
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APR_DECLARE(fspr_status_t) fspr_os_dso_handle_put(fspr_dso_handle_t **aprdso,
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fspr_os_dso_handle_t osdso,
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fspr_pool_t *pool)
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{
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*aprdso = fspr_pcalloc(pool, sizeof **aprdso);
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(*aprdso)->handle = osdso;
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(*aprdso)->pool = pool;
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return APR_SUCCESS;
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}
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APR_DECLARE(fspr_status_t) fspr_os_dso_handle_get(fspr_os_dso_handle_t *osdso,
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fspr_dso_handle_t *aprdso)
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{
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*osdso = aprdso->handle;
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return APR_SUCCESS;
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}
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static fspr_status_t dso_cleanup(void *thedso)
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{
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fspr_dso_handle_t *dso = thedso;
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int rc;
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if (dso->handle == 0)
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return APR_SUCCESS;
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rc = dllfree(dso->handle);
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if (rc == 0) {
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dso->handle = 0;
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return APR_SUCCESS;
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}
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dso->failing_errno = errno;
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return errno;
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}
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APR_DECLARE(fspr_status_t) fspr_dso_load(fspr_dso_handle_t **res_handle,
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const char *path, fspr_pool_t *ctx)
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{
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dllhandle *handle;
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int rc;
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*res_handle = fspr_pcalloc(ctx, sizeof(*res_handle));
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(*res_handle)->pool = ctx;
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if ((handle = dllload(path)) != NULL) {
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(*res_handle)->handle = handle;
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fspr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, fspr_pool_cleanup_null);
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return APR_SUCCESS;
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}
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(*res_handle)->failing_errno = errno;
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return errno;
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}
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APR_DECLARE(fspr_status_t) fspr_dso_unload(fspr_dso_handle_t *handle)
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{
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return fspr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
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}
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APR_DECLARE(fspr_status_t) fspr_dso_sym(fspr_dso_handle_sym_t *ressym,
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fspr_dso_handle_t *handle,
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const char *symname)
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{
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void *func_ptr;
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void *var_ptr;
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if ((var_ptr = dllqueryvar(handle->handle, symname)) != NULL) {
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*ressym = var_ptr;
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return APR_SUCCESS;
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}
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if ((func_ptr = (void *)dllqueryfn(handle->handle, symname)) != NULL) {
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*ressym = func_ptr;
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return APR_SUCCESS;
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}
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handle->failing_errno = errno;
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return errno;
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}
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APR_DECLARE(const char *) fspr_dso_error(fspr_dso_handle_t *handle, char *buffer,
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fspr_size_t buflen)
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{
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fspr_cpystrn(buffer, strerror(handle->failing_errno), buflen);
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return buffer;
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}
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#endif
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