X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sleep.c;h=3550e2b0f50a1505f679b276d3c746b2a40d9e3e;hb=772abedb9a99cf42fffddb99749e1294b902be3c;hp=4fbd9cc70aa2c11e7a41ae67411bbb1472c17e4b;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git

diff --git a/tests/test-sleep.c b/tests/test-sleep.c
index 4fbd9cc70..3550e2b0f 100644
--- a/tests/test-sleep.c
+++ b/tests/test-sleep.c
@@ -1,5 +1,5 @@
 /* Test of sleep() function.
-   Copyright (C) 2007 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
@@ -20,27 +20,39 @@
 
 #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;
 }
-