tests/userfaultfd.c: use libtests

* tests/userfaultfd.c: Use SKIP_MAIN_UNDEFINED.
(main): Use assert.

diff --git a/tests/userfaultfd.c b/tests/userfaultfd.c
index be19dd62c7593aae449340da04ed94bad1292c88..5dc294bc1457c28d5b516e3512cf15af3d29d85e 100644 (file)
--- a/tests/userfaultfd.c
+++ b/tests/userfaultfd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -26,25 +26,28 @@
  */
 
 #include "tests.h"
-#include <errno.h>
 #include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
 #include <sys/syscall.h>
 
+#if defined __NR_userfaultfd && defined O_CLOEXEC
+
+# include <assert.h>
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
+
 int
 main(void)
 {
-#if defined __NR_userfaultfd && defined O_CLOEXEC
-       if (syscall(__NR_userfaultfd, 1 | O_NONBLOCK | O_CLOEXEC) != -1)
-               return 77;
-       printf("userfaultfd(O_NONBLOCK|O_CLOEXEC|0x1) = -1 %s\n",
-              errno == ENOSYS ?
-                       "ENOSYS (Function not implemented)" :
-                       "EINVAL (Invalid argument)");
+       assert(syscall(__NR_userfaultfd, 1 | O_NONBLOCK | O_CLOEXEC) == -1);
+       printf("userfaultfd(O_NONBLOCK|O_CLOEXEC|0x1) = -1 %s (%m)\n",
+              errno == ENOSYS ? "ENOSYS" : "EINVAL");
        puts("+++ exited with 0 +++");
        return 0;
+}
+
 #else
-        return 77;
+
+SKIP_MAIN_UNDEFINED("__NR_userfaultfd && O_CLOEXEC")
+
 #endif
-}