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/* Load a shared object at run time.
Copyright (C) 1995,96,97,98,99,2000,2003,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <dlfcn.h>
#include <errno.h>
#include <libintl.h>
#include <stddef.h>
#include <ldsodefs.h>
struct dlmopen_args
{
/* Namespace ID. */
Lmid_t nsid;
/* The arguments for dlopen_doit. */
const char *file;
int mode;
/* The return value of dlopen_doit. */
void *new;
/* Address of the caller. */
const void *caller;
};
static void
dlmopen_doit (void *a)
{
struct dlmopen_args *args = (struct dlmopen_args *) a;
/* Non-shared code has no support for multiple namespaces. */
if (args->nsid != LM_ID_BASE)
#ifdef SHARED
/* If trying to open the link map for the main executable the namespace
must be the main one. */
if (args->file == NULL)
#endif
GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN,
args->caller, args->nsid);
}
void *
dlmopen (Lmid_t nsid, const char *file, int mode)
{
struct dlmopen_args args;
args.nsid = nsid;
args.file = file;
args.mode = mode;
args.caller = RETURN_ADDRESS (0);
return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
}
static_link_warning (dlmopen)
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