diff -Nur uClibc-0.9.32.orig/libc/sysdeps/linux/common/epoll.c uClibc-0.9.32/libc/sysdeps/linux/common/epoll.c
--- uClibc-0.9.32.orig/libc/sysdeps/linux/common/epoll.c	2011-06-08 21:35:20.000000000 +0200
+++ uClibc-0.9.32/libc/sysdeps/linux/common/epoll.c	2011-06-15 14:18:06.798202250 +0200
@@ -67,12 +67,13 @@
 int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents,
 						int timeout, const sigset_t *set)
 {
+	int nsig = _NSIG / 8;
 	if (SINGLE_THREAD_P)
-		return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
+		return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
 # ifdef __UCLIBC_HAS_THREADS_NATIVE__
 	else {
 		int oldtype = LIBC_CANCEL_ASYNC ();
-		int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
+		int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
 		LIBC_CANCEL_RESET (oldtype);
 		return result;
 	}
