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# resident.at -- test resident modules -*- Autotest -*-
# Copyright (C) 2010-2017 Free Software Foundation, Inc.
#
# This file is part of GNU Libtool.
#
# GNU Libtool 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.
#
# GNU Libtool 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Libtool; see the file COPYING. If not, a copy
# can be downloaded from http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####
# Ensure resident modules are not unloaded at program exit:
# they need to be able to invoke atexit handlers.
AT_SETUP([resident modules])
AT_KEYWORDS([libltdl])
AT_DATA([main.c],
[[#include <ltdl.h>
#include <stdio.h>
int
main (int argc, char* argv[])
{
int err = 0;
lt_dlhandle plugin_handle;
lt_dladvise advise;
LTDL_SET_PRELOADED_SYMBOLS();
if (argc < 2)
{
fprintf (stderr, "usage: %s plugin\n", argv[0]);
return 1;
}
lt_dlinit ();
if (lt_dladvise_init (&advise) != 0
|| lt_dladvise_ext (&advise) != 0
|| lt_dladvise_resident (&advise) != 0)
{
printf ("advise failure: %s\n", lt_dlerror ());
err = 1;
}
else
{
plugin_handle = lt_dlopenadvise (argv[1], advise);
if (NULL != plugin_handle)
{
int (*pf) (void);
printf ("plugin opened successfully!\n");
pf = (int (*) (void)) lt_dlsym (plugin_handle, "setup_plugin");
if (pf)
pf ();
else
{
printf ("dlsym failure: %s\n", lt_dlerror ());
err = 1;
}
if (!lt_dlisresident (plugin_handle))
{
printf ("module wrongly not marked resident\n");
err = 1;
}
if (lt_dlclose (plugin_handle) != 0)
{
printf ("close failure (expected): %s\n", lt_dlerror ());
}
else
{
printf ("wrongly closed resident module\n");
err = 1;
}
}
else
{
printf ("plugin failed to open: %s\n", lt_dlerror ());
err = 1;
}
if (lt_dladvise_destroy (&advise) != 0)
{
printf ("advise destroy failure: %s\n", lt_dlerror ());
err = 1;
}
}
lt_dlexit ();
return err;
}
]])
AT_DATA([plugin.c],
[[#include <stdlib.h>
#include <stdio.h>
void
bye (void)
{
puts ("called from atexit handler");
}
#ifdef __cplusplus
extern "C"
#endif
int
setup_plugin (void)
{
atexit (bye);
}
]])
: ${LTDLINCL="-I$abs_top_srcdir/libltdl"}
: ${LIBLTDL="$abs_builddir/../libltdl/libltdlc.la"}
# Skip this test when called from:
# make distcheck DISTCHECK_CONFIGURE_FLAGS=--disable-ltdl-install
AT_CHECK([case $LIBLTDL in #(
*/_inst/lib/*) test -f "$LIBLTDL" || (exit 77) ;;
esac], [], [ignore])
CPPFLAGS="$LTDLINCL $CPPFLAGS"
LDFLAGS="$LDFLAGS -no-undefined"
inst=`pwd`/inst
libdir=$inst/lib
AT_CHECK([$CC $CPPFLAGS $CFLAGS -c main.c], [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c plugin.c],
[], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o plugin.la -rpath $libdir ]dnl
[-module -avoid-version plugin.lo], [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT ]dnl
[-dlopen plugin.la $LIBLTDL],
[], [ignore], [ignore])
LT_AT_EXEC_CHECK([./main], [], [stdout], [ignore], [./plugin.la])
AT_CHECK([$GREP 'called from atexit handler' stdout], [], [ignore])
AT_CLEANUP
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