X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sys_select.c;h=1604699879820a4c6fda12a4d76e19c22ae0769d;hb=5068051817bc09c088f31d3627956bfe5086b130;hp=3a06c64828ed914f89637cdf4d0f0405220a4d51;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/tests/test-sys_select.c b/tests/test-sys_select.c
index 3a06c6482..160469987 100644
--- a/tests/test-sys_select.c
+++ b/tests/test-sys_select.c
@@ -1,5 +1,5 @@
 /* Test of <sys/select.h> substitute.
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 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
@@ -20,8 +20,32 @@
 
 #include <sys/select.h>
 
+#include "signature.h"
+
+/* The following may be macros without underlying functions, so only
+   check signature if they are not macros.  */
+#ifndef FD_CLR
+SIGNATURE_CHECK (FD_CLR, void, (int, fd_set *));
+#endif
+#ifndef FD_ISSET
+SIGNATURE_CHECK (FD_ISSET, void, (int, fd_set *));
+#endif
+#ifndef FD_SET
+SIGNATURE_CHECK (FD_SET, int, (int, fd_set *));
+#endif
+#ifndef FD_ZERO
+SIGNATURE_CHECK (FD_ZERO, void, (fd_set *));
+#endif
+
 /* Check that the 'struct timeval' type is defined.  */
-struct timeval t1;
+struct timeval a;
+
+/* Check that a.tv_sec is wide enough to hold a time_t, ignoring
+   signedness issues.  */
+typedef int verify_tv_sec_type[sizeof (time_t) <= sizeof (a.tv_sec) ? 1 : -1];
+
+/* Check that sigset_t is defined.  */
+sigset_t t2;
 
 int
 main (void)