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-rw-r--r--dlfcn/glrefmain.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/dlfcn/glrefmain.c b/dlfcn/glrefmain.c
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+/* 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"