2012-01-04  Bruno Haible  <address@hidden>

	timeout: Fix behaviour for end times beyond 2038 on Linux/hppa.
	* src/timeout.c (settimeout) [Linux/hppa]: Cap the duration, to avoid
	an overflow.

--- src/timeout.c.bak	2012-01-05 05:01:01.000000000 +0100
+++ src/timeout.c	2012-01-05 05:02:23.000000000 +0100
@@ -111,6 +111,16 @@
    deprecated by POSIX.  Instead we fallback to single second
    resolution provided by alarm().  */
 
+#if defined __linux__ && defined __hppa__
+  /* Work around an overflow that happens when the end date is beyond 2038.  */
+  if (sizeof (time_t) == sizeof (int))
+    {
+      time_t t = time (NULL);
+      if (t >= 0 && t <= INT_MAX && duration > (double) (INT_MAX - t))
+        duration = (double) (INT_MAX - t);
+    }
+#endif
+
 #if HAVE_TIMER_SETTIME
   struct timespec ts = dtotimespec (duration);
   struct itimerspec its = { {0, 0}, ts };