/* Test of sleep() function.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (sleep, unsigned int, (unsigned int));
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+#include <signal.h>
+
+#include "macros.h"
+
+#if HAVE_DECL_ALARM
+static void
+handle_alarm (int sig)
+{
+ if (sig != SIGALRM)
+ _exit (1);
+}
+#endif
int
-main()
+main (void)
{
ASSERT (sleep (1) <= 1);
ASSERT (sleep (0) == 0);
+#if HAVE_DECL_ALARM
+ {
+ const unsigned int pentecost = 50 * 24 * 60 * 60; /* 50 days. */
+ unsigned int remaining;
+ signal (SIGALRM, handle_alarm);
+ alarm (1);
+ remaining = sleep (pentecost);
+ ASSERT (pentecost - 10 < remaining && remaining <= pentecost);
+ }
+#endif
+
return 0;
}
-