Hi!
On 18:56 Fri 24 Sep , Sri Ram Vemulpali wrote:
> Hi all,
>
> I am encountering alot macros in the code. I did not understand what
> those macro means.
>
> Can anyone explain them and the use of them putting them like that.
>
> "unlikely"
likely() and unlikely() are wrappers around gcc extensions to give hints about
whether a given branch will likely be taken or not. When done correctly, this
can improve performance.
> "always_inline" -- defined at the signature of the function.
This can be used because "inline" is not always inlined. There should be a gcc
option which causes all inline code to be not inlined.
> "inline" -- I know inline keyword in compiler is used to place the
> code in to the caller function at the time of compiler, but why
> declared as macro
Where do you see inline declared as a macro?
-Michi
--
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com
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