--- dietlibc-0.28-unpatched/lib/__nice.c	2005-02-13 18:01:18.966469056 -0500

+++ dietlibc-0.28/lib/__nice.c	2005-02-13 18:17:04.381744088 -0500

@@ -1,9 +1,13 @@

 #include "syscalls.h"

-#include <sys/time.h>

+#include <errno.h>

 #include <sys/resource.h>

 #ifndef __NR_nice

 int nice(int i) {

-  return setpriority(PRIO_PROCESS,0,getpriority(PRIO_PROCESS,0)+i);

+  if (setpriority(PRIO_PROCESS,0,getpriority(PRIO_PROCESS,0)+i) == -1) {

+    errno=EPERM;

+    return -1;

+  }

+  return getpriority(PRIO_PROCESS,0);

 }

 #endif