pthread_sigmask: Document the module.

[pspp] / tests / test-sys_select.c

diff --git a/tests/test-sys_select.c b/tests/test-sys_select.c
index 6449dafde76ecc9be1fbeb44e070fdeeb8d985bc..619a570727389587373501faff87dc76e27f5fd3 100644 (file)
--- a/tests/test-sys_select.c
+++ b/tests/test-sys_select.c
@@ -1,5 +1,5 @@
 /* Test of <sys/select.h> substitute.
-   Copyright (C) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,8 +23,16 @@
 /* Check that the 'struct timeval' type is defined.  */
 struct timeval t1;
 
+/* Check that sigset_t is defined.  */
+sigset_t t2;
+
 int
-main ()
+main (void)
 {
+  /* Check that FD_ZERO can be used.  This should not yield a warning
+     such as "warning: implicit declaration of function 'memset'".  */
+  fd_set fds;
+  FD_ZERO (&fds);
+
   return 0;
 }