1 files changed, 41 insertions, 0 deletions
diff --git a/test/dlopen/dltest.c b/test/dlopen/dltest.c
new file mode 100644
index 0000000..a0fac90
--- /dev/null
+++ b/test/dlopen/dltest.c
@@ -0,0 +1,41 @@
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include <stdint.h>
+
+int main(int argc, char **argv)
+{
+	int ret = EXIT_SUCCESS;
+	void *handle;
+	void (*mydltest)(void *value1, void *value2);
+	char *error;
+	uint32_t *value1, *value2;
+
+	handle = dlopen (LIBNAME, RTLD_LAZY);
+	if (!handle) {
+		fprintf(stderr, "Could not open ./%s: %s\n", LIBNAME, dlerror());
+		exit(1);
+	}
+
+	mydltest = dlsym(handle, "dltest");
+	if ((error = dlerror()) != NULL)  {
+		fprintf(stderr, "Could not locate symbol 'dltest': %s\n", error);
+		exit(1);
+	}
+
+	mydltest(&value1, &value2);
+	printf("dltest: pthread_once=%p\n", value1);
+	printf("dltest: pthread_self=%p\n", value2);
+	if (value1 == value2) {
+	    ret = EXIT_FAILURE;
+	    printf("dltest: values should NOT be equal  Weak values resolved incorrectly!\n");
+	} else {
+	    printf("dltest: weak symbols resolved correctly.\n");
+	}
+
+	dlclose(handle);
+
+	return ret;
+}
+