0xb571070a:	lock cmpxchg %edx,(%esi)
0xb571070e:	jne    0xb57106e8
0xb5710710:	mov    0x8(%ebp),%eax
0xb5710713:	mov    $0x1,%dl
0xb5710715:	mov    %edx,%ecx
0xb5710717:	add    $0xc,%eax
0xb571071a:	lock xadd %ecx,(%eax)
0xb571071e:	mov    0xc(%ebp),%eax
0xb5710721:	movl   $0x1,(%esi)
0xb5710727:	mov    %eax,0x4(%esi)
0xb571072a:	mov    0x8(%ebp),%eax
0xb571072d:	add    $0x4,%eax
0xb5710730:	lock xadd %edx,(%eax)
0xb5710734:	xor    %eax,%eax
0xb5710736:	add    $0x1c,%esp
0xb5710739:	pop    %ebx