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authorUlrich Drepper <drepper@redhat.com>2000-04-01 21:49:24 +0000
committerUlrich Drepper <drepper@redhat.com>2000-04-01 21:49:24 +0000
commit4380ef5e29eb219706a725848c4e704762a58708 (patch)
tree0b827eedce1e37f7e13af031b35cd5e203c82a82 /dlfcn/glrefmain.c
parent289e8e7ea11afad41aaac7d43400bf4ee28aada5 (diff)
Update.
* dlfcn/Makefile (distribute): Add glreflib1.c and glreflib2.c. (tests): Add glrefmain. Add rules to build modules and run tests. Ignore result of glrefmain for now since it fails. * dlfcn/glrefmain.c: New file. * dlfcn/glreflib1.c: New file. * dlfcn/glreflib2.c: New file. * test-skeleton.c: Include <string.h> for strsignal prototype.
Diffstat (limited to 'dlfcn/glrefmain.c')
-rw-r--r--dlfcn/glrefmain.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/dlfcn/glrefmain.c b/dlfcn/glrefmain.c
new file mode 100644
index 0000000000..32854b1bd2
--- /dev/null
+++ b/dlfcn/glrefmain.c
@@ -0,0 +1,76 @@
+/* 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);
+
+ return 0;
+}
+
+#include "../test-skeleton.c"