/* Test for dependency tracking added by relocations. Copyright (C) 2000 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <dlfcn.h> #include <error.h> #include <errno.h> #include <stdio.h> #include <stdlib.h> static void * load (const char *name) { void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL); if (d == NULL) error (EXIT_FAILURE, errno, "cannot load `%s'", name); return d; } #define TEST_FUNCTION do_test () int do_test (void) { void *d1; void *d2; int (*f) (void); d1 = load ("glreflib1.so"); d2 = load ("glreflib2.so"); f = dlsym (d2, "ref2"); if (f == NULL) error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2"); if (f () != 42) error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2"); puts ("Correct result in first call"); fflush (stdout); /* Now unload the first file. */ dlclose (d1); puts ("About to call the second time"); fflush (stdout); /* Try calling the function again. */ if (f () != 42) error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2"); puts ("Second call succeeded!"); fflush (stdout); dlclose (d2); puts ("glreflib2 also closed"); fflush (stdout); return 0; } #include "../test-skeleton.c"