From 802fe9a1ca0577e8eac28c31a8c20497b15e7e69 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 23 Jul 2009 07:07:53 -0700
Subject: Handle unloading of DSO with a unique symbol definition.

---
 elf/tst-unique1.c | 42 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 39 insertions(+), 3 deletions(-)

(limited to 'elf/tst-unique1.c')

diff --git a/elf/tst-unique1.c b/elf/tst-unique1.c
index 9b7996cd96..46d41d9ff4 100644
--- a/elf/tst-unique1.c
+++ b/elf/tst-unique1.c
@@ -1,6 +1,7 @@
 #include <config.h>
 #include <dlfcn.h>
 #include <stdio.h>
+#include <sys/mman.h>
 
 static int
 do_test (void)
@@ -30,10 +31,45 @@ do_test (void)
       puts ("cannot locate f in tst-unique1mod2");
       return 1;
     }
-  return f2 (f1 ());
-#else
-  return 0;
+  if (f2 (f1 ()))
+    {
+      puts ("f from tst-unique1mod2 failed");
+      return 1;
+    }
+  dlclose (h2);
+  dlclose (h1);
+  mmap (NULL, 1024 * 1024 * 16, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+  h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
+  if (h2 == NULL)
+    {
+      puts ("cannot load tst-unique1mod2");
+      return 1;
+    }
+  f2 = dlsym (h2, "f");
+  if (f2 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod2");
+      return 1;
+    }
+  h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
+  if (h1 == NULL)
+    {
+      puts ("cannot load tst-unique1mod1");
+      return 1;
+    }
+  f1 = dlsym (h1, "f");
+  if (f1 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod1");
+      return 1;
+    }
+  if (f2 (f1 ()))
+    {
+      puts ("f from tst-unique1mod2 failed");
+      return 1;
+    }
 #endif
+  return 0;
 }
 
 #define TEST_FUNCTION do_test ()
-- 
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