* cygheap.cc (creturn): Set appropriate errno when out of memory.

(ccalloc): Only issue system_printf when debugging.
* dtable.cc (dtable::extend): Only allocate 100 * the incremental growth size
max.  Set errno appropriately.
(dtable::build_fhandler): Check for error from set_name.
* fhandler.cc (fhandler_base::set_name): Set errno and return error on OOM.
* fhandler.h (fhandler_base::set_name): Change to bool.
* fhandler_process.cc (format_process_stat): Fix formatting.
* resource.cc (getrlimit): Return greater of OPEN_MAX or fd table size.
* sysconf.cc (sysconf): Ditto.

winsup/cygwin/sysconf.cc

@@ -35,7 +35,12 @@ sysconf (int in)
       case _SC_OPEN_MAX:
 	return getdtablesize ();
       case _SC_PAGESIZE:
-	return getpagesize ();
+	{
+	  long max = getdtablesize ();
+	  if (max < OPEN_MAX)
+	    max = OPEN_MAX;
+	  return max;
+	}
       case _SC_CLK_TCK:
 	return CLOCKS_PER_SEC;
       case _SC_JOB_CONTROL: