0x7fe42c8e79f9:	lock cmpxchg %r10d,(%rdx)
0x7fe42c8e79fe:	jne    0x7fe42c8e79d8
0x7fe42c8e7a00:	lea    0xc(%rdi),%rax
0x7fe42c8e7a04:	lock addl $0x1,(%rax)
0x7fe42c8e7a08:	mov    %rsi,0x8(%rdx)
0x7fe42c8e7a0c:	movl   $0x1,(%rdx)
0x7fe42c8e7a12:	lea    0x4(%rdi),%rax
0x7fe42c8e7a16:	lock addl $0x1,(%rax)
0x7fe42c8e7a1a:	xor    %eax,%eax
0x7fe42c8e7a1c:	add    $0x20,%rsp
0x7fe42c8e7a20:	pop    %rbx
0x7fe42c8e7a21:	retq   
0x7fe42c8e7a22:	nopw   0x0(%rax,%rax,1)
0x7fe42c8e7a28:	mov    $0xffffffff,%eax
0x7fe42c8e7a2d:	add    $0x20,%rsp
0x7fe42c8e7a31:	pop    %rbx