7c90112b 8b4c2404 mov ecx,[esp+0x4]
7c90112f b8ffffffff mov eax,0xffffffff
7c901134 ba00000000 mov edx,0x0
7c901139 f00fb15104 lock cmpxchg [ecx+0x4],edx
7c90113e 7518 jnz ntdll!RtlTryEnterCriticalSection+0x2d (7c901158)
7c901140 90 nop
7c901141 90 nop
7c901142 7520 jnz knepley!Resume+0x75