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From bnicho...@apache.org
Subject cvs commit: apr/dso/netware dso.c
Date Tue, 13 Nov 2001 21:07:21 GMT
bnicholes    01/11/13 13:07:21

  Added:       dso/netware dso.c
  Log:
  NetWare DSO handling routines
  
  Revision  Changes    Path
  1.1                  apr/dso/netware/dso.c
  
  Index: dso.c
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  #include "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 = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
  
      *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, path);
  
      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_EINIT;
      }
  
      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";
  }
  
  
  
  

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