definition of sys_access function

definition of sys_access function

[johnspaul92]

Where can i find the definition of the sys_access function???
I tried checking in syscalls.h. But there i found only the declaration.
Where can i find the definition so that i can understand what that function
actually does.



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Re: definition of sys_access function

[richard -rw- weinberger]

On Wed, May 29, 2013 at 10:12 AM, johnspaul92 <johns@ti.com> wrote:
> Where can i find the definition of the sys_access function???
> I tried checking in syscalls.h. But there i found only the declaration.
> Where can i find the definition so that i can understand what that function
> actually does.

Use git grep to find out.
E.g. git grep "SYSCALL_DEFINE[0-9](access"

--
Thanks,
//richard

Re: definition of sys_access function

[johnspaul92]

I tried that and i got the result as fs/open.c
But i couldnt find any references to sys_access.




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RE: definition of sys_access function

[Wang, Yalin]

Hi  Richard ,

This system call is defined in this file :

Kernel/fs/open.c 

Please check it .

Thanks 

-----Original Message-----
From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of richard -rw- weinberger
Sent: Wednesday, May 29, 2013 4:19 PM
To: johnspaul92
Cc: LKML
Subject: Re: definition of sys_access function

On Wed, May 29, 2013 at 10:12 AM, johnspaul92 <johns@ti.com> wrote:
> Where can i find the definition of the sys_access function???
> I tried checking in syscalls.h. But there i found only the declaration.
> Where can i find the definition so that i can understand what that 
> function actually does.

Use git grep to find out.
E.g. git grep "SYSCALL_DEFINE[0-9](access"

--
Thanks,
//richard
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RE: definition of sys_access function

[Wang, Yalin]

Hi  

You should search like this in  fs/open.c

SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)

You can find it .

Thanks 

-----Original Message-----
From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of johnspaul92
Sent: Wednesday, May 29, 2013 4:28 PM
To: linux-kernel@vger.kernel.org
Subject: Re: definition of sys_access function

I tried that and i got the result as fs/open.c But i couldnt find any references to sys_access.




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Re: definition of sys_access function

[johnspaul92]

Thanks, i got it.



-----
Thank You
Johns
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Re: definition of sys_access function

[Rob Landley]

On 05/29/2013 03:12:57 AM, johnspaul92 wrote:
> Where can i find the definition of the sys_access function???
> I tried checking in syscalls.h. But there i found only the  
> declaration.
> Where can i find the definition so that i can understand what that  
> function
> actually does.

$ find linux -name "*.c" | xargs grep SYSCALL | grep '(access'
linux/fs/open.c:SYSCALL_DEFINE2(access, const char __user *, filename,  
int, mode)

Rob

Re: definition of sys_access function

[goresh]

Hey Hi..
If you are in search of sys_access related to kernel calls then u can find
its defenation in 
main.c  stored in /init/main.c



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