root/src/dl_dlopen.c

DEFINITIONS

1. dl_open
2. dl_error
3. dl_sym
4. dl_close

   1 /*
   2  * dl_dlopen.c - dlopen() interface
   3  *
   4  *   Copyright (c) 2000-2003 Shiro Kawai, All rights reserved.
   5  * 
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  * 
  10  *   1. Redistributions of source code must retain the above copyright
  11  *      notice, this list of conditions and the following disclaimer.
  12  *
  13  *   2. Redistributions in binary form must reproduce the above copyright
  14  *      notice, this list of conditions and the following disclaimer in the
  15  *      documentation and/or other materials provided with the distribution.
  16  *
  17  *   3. Neither the name of the authors nor the names of its contributors
  18  *      may be used to endorse or promote products derived from this
  19  *      software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  27  *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  28  *   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  29  *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  30  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31  *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  *  $Id: dl_dlopen.c,v 1.2 2003/07/05 03:29:12 shirok Exp $
  34  */
  36 /* This file is included in load.c */
  38 #include <dlfcn.h>
  40 static void *dl_open(const char *path)
  41 {
  42     int flags = RTLD_NOW|RTLD_GLOBAL;
  43     return dlopen(path, flags);
  44 }
  46 static const char *dl_error(void)
  47 {
  48     return dlerror();
  49 }
  51 static ScmDynLoadInitFn dl_sym(void *handle, const char *name)
  52 {
  53     return (ScmDynLoadInitFn)dlsym(handle, name);
  54 }
  56 static void dl_close(void *handle)
  57 {
dlclose(handle);
  59 }