--- glibc-2.3.2/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S.orig	2003-10-03 15:54:00.000000000 -0400
+++ glibc-2.3.2/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S	2003-10-03 15:52:31.000000000 -0400
@@ -109,6 +109,7 @@ __pthread_once:
 	movl	$0, 4(%esp)
 	movl	%eax, (%esp)
 	call	__sigsetjmp@PLT
+	testl	%eax, %eax
 	jne	7f
 
 	leal	8(%esp), %eax