/* Test of <sys/select.h> substitute.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2012 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
#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 a 'time_t *', ignoring signedness issues. */
+typedef int verify_tv_sec_type[sizeof (a.tv_sec) == sizeof (time_t) ? 1 : -1];
+
+/* 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;
}