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[bottlenecks.git] / rubbos / app / httpd-2.0.64 / srclib / apr / dso / netware / dso.c

diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/dso/netware/dso.c b/rubbos/app/httpd-2.0.64/srclib/apr/dso/netware/dso.c
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+++ b/rubbos/app/httpd-2.0.64/srclib/apr/dso/netware/dso.c
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+/* 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 "apr_arch_dso.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+
+#include <library.h>
+#include <unistd.h>
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
+                                                apr_os_dso_handle_t osdso,
+                                                apr_pool_t *pool)
+{
+    *aprdso = apr_pcalloc(pool, sizeof **aprdso);
+    (*aprdso)->handle = osdso;
+    (*aprdso)->pool = pool;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
+                                                apr_dso_handle_t *aprdso)
+{
+    *osdso = aprdso->handle;
+    return APR_SUCCESS;
+}
+
+static apr_status_t dso_cleanup(void *thedso)
+{
+    apr_dso_handle_t *dso = thedso;
+    sym_list *symbol = NULL;
+    void *NLMHandle = getnlmhandle();
+
+    if (dso->handle == NULL)
+        return APR_SUCCESS;
+
+    if (dso->symbols != NULL) {
+        symbol = dso->symbols;
+        while (symbol) {
+            UnImportPublicObject(NLMHandle, symbol->symbol);
+            symbol = symbol->next;
+        }
+    }
+
+    if (dlclose(dso->handle) != 0)
+        return APR_EINIT;
+
+    dso->handle = NULL;
+    dso->symbols = NULL;
+    dso->path = NULL;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 
+                                       const char *path, apr_pool_t *pool)
+{
+
+    void *os_handle = NULL;
+    char *fullpath = NULL;
+    apr_status_t rv;
+
+    if ((rv = apr_filepath_merge(&fullpath, NULL, path, 
+                                 APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
+        return rv;
+    }
+
+    os_handle = dlopen(fullpath, RTLD_NOW | RTLD_LOCAL);
+
+    *res_handle = apr_pcalloc(pool, sizeof(**res_handle));
+
+    if(os_handle == NULL) {
+        (*res_handle)->errormsg = dlerror();
+        return APR_EDSOOPEN;
+    }
+
+    (*res_handle)->handle = (void*)os_handle;
+    (*res_handle)->pool = pool;
+    (*res_handle)->errormsg = NULL;
+    (*res_handle)->symbols = NULL;
+    (*res_handle)->path = apr_pstrdup(pool, fullpath);
+
+    apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null);
+
+    return APR_SUCCESS;
+}
+    
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle)
+{
+    return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup);
+}
+
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, 
+                                      apr_dso_handle_t *handle, 
+                                      const char *symname)
+{
+    sym_list *symbol = NULL;
+    void *retval = dlsym(handle->handle, symname);
+
+    if (retval == NULL) {
+        handle->errormsg = dlerror();
+        return APR_ESYMNOTFOUND;
+    }
+
+    symbol = apr_pcalloc(handle->pool, sizeof(sym_list));
+    symbol->next = handle->symbols;
+    handle->symbols = symbol;
+    symbol->symbol = apr_pstrdup(handle->pool, symname);
+
+    *ressym = retval;
+    
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, 
+                                        apr_size_t buflen)
+{
+    if (dso->errormsg) {
+        apr_cpystrn(buffer, dso->errormsg, buflen);
+        return dso->errormsg;
+    }
+    return "No Error";
+}
+