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#define RT_UNLIKELY ( expr   )     (expr)

Give the compiler a hint that an expression is highly unlikely to hold true.

See the usage instructions give in the RT_LIKELY() docs.

Returns:
the boolean result of the expression.
Parameters:
expr The expression that's very unlikely to be true.
See also:
RT_LIKELY

Definition at line 922 of file cdefs.h.

Referenced by ClipRequestDataForX11(), DECLINLINE(), GVMMR0DECL(), VirtualBoxBaseProto::lockHandle(), pcnetPollTimer(), pcnetTdtePoll(), pcnetTransmit(), pcnetUpdateIrq(), pdmacFileCacheEntryAlloc(), rtDbgAsModuleLinkCommon(), RTDECL(), rtLatin1RecodeAsUtf16(), RTR0DECL(), rtR0MemObjLinuxAllocPages(), rtR0MemObjNativeGetPagePhysAddr(), rtR0MemObjNativeLockKernel(), RTR3DECL(), rtSemEventMultiWait(), rtTimerLinuxCallback(), rtUtf16RecodeAsLatin1(), rtUtf16RecodeAsUtf8(), rtUtf8Decode(), rtUtf8RecodeAsUtf16(), SUPDrvDarwinIDC(), SUPDrvFreeBSDIDC(), supdrvIDC(), supdrvIOCtl(), supdrvIOCtl_LdrFree(), supdrvLdrFree(), SUPDrvLinuxIDC(), SUPDrvSolarisIDC(), trpmGCExitTrap(), VBoxDrvDarwinIOCtlSlow(), VBoxDrvFreeBSDIOCtl(), VBoxDrvFreeBSDIOCtlSlow(), VBoxDrvLinuxIOCtlSlow(), VBoxDrvSolarisIOCtlSlow(), VBoxGuestCreateKernelSession(), VBoxGuestCreateUserSession(), VBoxGuestFreeBSDIOCtl(), vboxguestLinuxIOCtl(), VBoxGuestSolarisIOCtl(), VBoxNetAdpLinuxIOCtl(), vboxNetFltSolarisAttachReq(), vboxNetFltSolarisBindReq(), vboxNetFltSolarisDetermineModPos(), vboxNetFltSolarisMBlkFromSG(), VBoxNetFltSolarisModClose(), VBoxNetFltSolarisModOpen(), vboxNetFltSolarisNotifyReq(), vboxNetFltSolarisPhysAddrReq(), vboxNetFltSolarisPromiscReq(), vboxNetFltSolarisQueueLoopback(), vboxNetFltSolarisRawToUnitData(), vboxNetFltSolarisRecv(), vboxNetFltSolarisSetRawMode(), and vdAddBackends().


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