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Re: Where should I declare the global variable

To: "Irfan Ahmed" <ahm_irf@xxxxxxxxx>
Subject: Re: Where should I declare the global variable
From: "Mike Frysinger" <vapier.adi@xxxxxxxxx>
Date: Thu, 3 May 2007 03:38:09 -0400
Cc: kernelnewbies@xxxxxxxxxxxx
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On 5/3/07, Irfan Ahmed <ahm_irf@xxxxxxxxx> wrote:

I have added a new system call that is used to initialize a global variable
through userspace program. After initialization, I need to use that global
variable  in ~/net/ipv6/tcp_ipv6.c file. let say printing the value of that
global variable.

ignoring the fact that is just plain wrong ...

So where should I declare that global variable.


just put an 'extern ...' in the tcp_ipv6.c file since i doubt you have
any sort of real linux API for other linux kernel things to utilize
-mike

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References:
- Where should I declare the global variable
  - From: Irfan Ahmed

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