test/tls/: tests for thread local storage functionality

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/test/tls/tst-tls3.c b/test/tls/tst-tls3.c
new file mode 100644
index 000000000..84be43575
--- /dev/null
+++ b/test/tls/tst-tls3.c
@@ -0,0 +1,76 @@
+/* glibc test for TLS in ld.so.  */
+#include <stdio.h>
+
+#include <tls.h>
+
+#ifdef USE_TLS
+# include "tls-macros.h"
+
+
+/* One define int variable, two externs.  */
+COMMON_INT_DECL(foo);
+VAR_INT_DECL(bar);
+VAR_INT_DEF(baz);
+#endif
+
+
+extern int in_dso (void);
+
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+#ifdef USE_TLS
+  int result = 0;
+  int *ap, *bp, *cp;
+
+
+  /* Set the variable using the local exec model.  */
+  puts ("set baz to 3 (LE)");
+  ap = TLS_LE (baz);
+  *ap = 3;
+
+
+  /* Get variables using initial exec model.  */
+  puts ("set variables foo and bar (IE)");
+  ap = TLS_IE (foo);
+  *ap = 1;
+  bp = TLS_IE (bar);
+  *bp = 2;
+
+
+  /* Get variables using local dynamic model.  */
+  fputs ("get sum of foo, bar (GD) and baz (LD)", stdout);
+  ap = TLS_GD (foo);
+  bp = TLS_GD (bar);
+  cp = TLS_LD (baz);
+  printf (" = %d\n", *ap + *bp + *cp);
+  result |= *ap + *bp + *cp != 6;
+  if (*ap != 1)
+    {
+      printf ("foo = %d\n", *ap);
+      result = 1;
+    }
+  if (*bp != 2)
+    {
+      printf ("bar = %d\n", *bp);
+      result = 1;
+    }
+  if (*cp != 3)
+    {
+      printf ("baz = %d\n", *cp);
+      result = 1;
+    }
+
+
+  result |= in_dso ();
+
+  return result;
+#else
+  return 0;
+#endif
+}
+
+
+#include "../test-skeleton.c"