elf: Add tst-ldconfig-ld_so_conf-update test

 Test ldconfig after /etc/ld.so.conf update and verify a running process
 observes changes to /etc/ld.so.cache.
 The test uses the test-in-container framework.

 Reviewed-by: Arjun Shankar <arjun@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/elf/tst-ldconfig-ld-mod.c b/elf/tst-ldconfig-ld-mod.c
new file mode 100644
index 0000000000..f8f658d03b
--- /dev/null
+++ b/elf/tst-ldconfig-ld-mod.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void
+bar (void)
+{
+  printf ("Called DSO.\n");
+}