plugin-dynlib.c

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/*
  PluginDynlib  -  Lumiera Plugin loader for dynamic libraries
 
   Copyright (C)
     2008,            Christian Thaeter <ct@pipapo.org>
 
 **Lumiera** is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
 Free Software Foundation; either version 2 of the License, or (at your
 option) any later version. See the file COPYING for further details.
 
* *****************************************************************/
 
 
#include "include/logging.h"
#include "lib/tmpbuf.h"
#include "common/plugin.h"
 
#include <dlfcn.h>
#include <nobug.h>
 
 
LumieraPlugin
lumiera_plugin_load_DYNLIB (const char* name)
{
  TRACE (pluginloader_dbg, "load DYNLIB: %s", name);
  REQUIRE (name);
  LumieraPlugin self = lumiera_plugin_new (name);
  LumieraInterface plugin = NULL;
 
  void* handle = dlopen (name, RTLD_LAZY|RTLD_LOCAL);
  if (handle)
    {
      plugin = (LumieraInterface) dlsym (handle, LUMIERA_INTERFACE_DSTRING (lumieraorg__plugin, 0, lumieraorg_plugin));
 
      if (!plugin)
        LUMIERA_ERROR_SET (pluginloader, PLUGIN_WTF, name);
    }
  else
    LUMIERA_ERROR_SET (pluginloader_dbg, PLUGIN_OPEN, lumiera_tmpbuf_snprintf (4096, "%s: %s", name, dlerror()));
 
  return lumiera_plugin_init (self, handle, plugin);
}
 
 
void
lumiera_plugin_unload_DYNLIB (LumieraPlugin self)
{
  TRACE (pluginloader_dbg);
  void* handle = lumiera_plugin_handle (self);
  if (handle)
    dlclose (handle);
}