nptl: Prefer setresuid32 in tst-setuid2

Use the setresuid32 system call if it is available, prefering
it over setresuid.  If both system calls exist, setresuid
is the 16-bit variant.  This fixes a build failure on
sparcv9-linux-gnu.

diff --git a/nptl/tst-setuid2.c b/nptl/tst-setuid2.c
index 33d4e39fff1d10b810acc427d74a3bc6991b586b..c41042301015b17ba68f963590062fc668069f9e 100644 (file)
--- a/nptl/tst-setuid2.c
+++ b/nptl/tst-setuid2.c
@@ -76,7 +76,12 @@ run_on_thread (void (*func) (void))
 static void
 change_thread_ids (void)
 {
+#ifdef __NR_setresuid32
+  /* Prefer 32-bit setresuid32 over 16-bit setresuid.  */
+  long ret = syscall (__NR_setresuid32, 2001, 2002, 2003);
+#else
   long ret = syscall (__NR_setresuid, 2001, 2002, 2003);
+#endif
   if (ret != 0)
     FAIL ("setresuid (2001, 2002, 2003): %ld", ret);
 }