1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
# resident.at -- test resident modules -*- Autotest -*-
# Copyright (C) 2010-2019, 2021-2024 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. If not, see <https://www.gnu.org/licenses/>.
####
# 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)
{
return 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
|
