lock 原子操作

 

text:7C809806 ; Exported entry 545. InterlockedIncrement.text:7C809806.text:7C809806 ; =============== S U B R O U T I N E =======================================.text:7C809806.text:7C809806.text:7C809806 ; LONG __stdcall InterlockedIncrement(volatile LONG *lpAddend).text:7C809806                 public [e-mail]:7C809806 _InterlockedIncrement@4 proc near       ; CODE XREF: CreatePipe(x,x,x,x)+57p.text:7C809806                                         ; BasepCreateDefaultTimerQueue()+41p ....text:7C809806.text:7C809806 lpAddend        = dword ptr  4.text:7C809806.text:7C809806                 mov     ecx, [esp+lpAddend].text:7C80980A                 mov     eax, 1.text:7C80980F.text:7C80980F loc_7C80980F:                           ; DATA XREF: .data:_BasepLockPrefixTableo.text:7C80980F                 lock xadd [ecx], eax.text:7C809813                 inc     eax.text:7C809814                 retn    4.text:7C809814 _InterlockedIncrement@4 endp.text:7C809814.text:7C809814 ; ---------------------------------------------------------------------------.text:7C809817                 db 8Dh, 49h, 0.text:7C80981A ; Exported entry 541. InterlockedDecrement.text:7C80981A.text:7C80981A ; =============== S U B R O U T I N E =======================================.text:7C80981A.text:7C80981A.text:7C80981A ; LONG __stdcall InterlockedDecrement(volatile LONG *lpAddend).text:7C80981A                 public [e-mail]:7C80981A _InterlockedDecrement@4 proc near       ; CODE XREF: BasepCreateDefaultTimerQueue()+181D8p.text:7C80981A                                         ; DATA XREF: .text:off_7C802654o.text:7C80981A.text:7C80981A lpAddend        = dword ptr  4.text:7C80981A.text:7C80981A                 mov     ecx, [esp+lpAddend].text:7C80981E                 mov     eax, 0FFFFFFFFh.text:7C809823.text:7C809823 loc_7C809823:                           ; DATA XREF: .data:7C885010o.text:7C809823                 lock xadd [ecx], eax.text:7C809827                 dec     eax.text:7C809828                 retn    4.text:7C809828 _InterlockedDecrement@4 endp.text:7C809828.text:7C809828 ; ---------------------------------------------------------------------------.text:7C80982B                 db 8Dh, 49h, 0.text:7C80982E ; Exported entry 542. InterlockedExchange.text:7C80982E.text:7C80982E ; =============== S U B R O U T I N E =======================================.text:7C80982E.text:7C80982E.text:7C80982E ; LONG __stdcall InterlockedExchange(volatile LONG *Target, LONG Value).text:7C80982E                 public [e-mail]:7C80982E _InterlockedExchange@8 proc near        ; CODE XREF: UpdateUserInfoCache()+2Cp.text:7C80982E                                         ; BasepCreateDefaultTimerQueue()+12p ....text:7C80982E.text:7C80982E Target          = dword ptr  4.text:7C80982E Value           = dword ptr  8.text:7C80982E.text:7C80982E                 mov     ecx, [esp+Target].text:7C809832                 mov     edx, [esp+Value].text:7C809836                 mov     eax, [ecx].text:7C809838.text:7C809838 loc_7C809838:                           ; CODE XREF: InterlockedExchange(x,x)+Ej.text:7C809838                                         ; DATA XREF: .data:7C88501Co.text:7C809838                 lock cmpxchg [ecx], edx.text:7C80983C                 jnz     short loc_7C809838.text:7C80983E                 retn    8.text:7C80983E _InterlockedExchange@8 endp.text:7C80983E.text:7C80983E ; ---------------------------------------------------------------------------.text:7C809841                 align 2.text:7C809842 ; Exported entry 540. InterlockedCompareExchange.text:7C809842.text:7C809842 ; =============== S U B R O U T I N E =======================================.text:7C809842.text:7C809842.text:7C809842 ; LONG __stdcall InterlockedCompareExchange(volatile LONG *Destination, LONG Exchange, LONG Comperand).text:7C809842                 public [e-mail]:7C809842 _InterlockedCompareExchange@12 proc near.text:7C809842                                         ; CODE XREF: BaseComputeProcessDllPath(x,x)+97B3p.text:7C809842                                         ; CreateActCtxW(x)+15C8Dp ....text:7C809842.text:7C809842 Destination     = dword ptr  4.text:7C809842 Exchange        = dword ptr  8.text:7C809842 Comperand       = dword ptr  0Ch.text:7C809842.text:7C809842                 mov     ecx, [esp+Destination].text:7C809846                 mov     edx, [esp+Exchange].text:7C80984A                 mov     eax, [esp+Comperand].text:7C80984E.text:7C80984E loc_7C80984E:                           ; DATA XREF: .data:7C885014o.text:7C80984E                 lock cmpxchg [ecx], edx.text:7C809852                 retn    0Ch.text:7C809852 _InterlockedCompareExchange@12 endp.text:7C809852.text:7C809852 ; ---------------------------------------------------------------------------.text:7C809855                 align 2.text:7C809856 ; Exported entry 543. InterlockedExchangeAdd.text:7C809856.text:7C809856 ; =============== S U B R O U T I N E =======================================.text:7C809856.text:7C809856.text:7C809856 ; LONG __stdcall InterlockedExchangeAdd(volatile LONG *Addend, LONG Value).text:7C809856                 public [e-mail]:7C809856 _InterlockedExchangeAdd@8 proc near     ; DATA XREF: .text:off_7C802654o.text:7C809856.text:7C809856 Addend          = dword ptr  4.text:7C809856 Value           = dword ptr  8.text:7C809856.text:7C809856                 mov     ecx, [esp+Addend].text:7C80985A                 mov     eax, [esp+Value].text:7C80985E.text:7C80985E loc_7C80985E:                           ; DATA XREF: .data:7C885018o.text:7C80985E                 lock xadd [ecx], eax.text:7C809862                 retn    8.text:7C809862 _InterlockedExchangeAdd@8 endp.text:7C809862.text:7C809862 ; -------------------------------------------------------------------