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Message-ID: <502BD1C5.6080002@parallels.com>
Date: Wed, 15 Aug 2012 20:43:49 +0400
From: Stanislav Kinsbursky <skinsbursky@...allels.com>
To: "H. Peter Anvin" <hpa@...or.com>
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Subject: Re: [RFC PATCH 5/5] syscall: sys_fbind() introduced
15.08.2012 20:30, H. Peter Anvin пишет:
> On 08/15/2012 09:22 AM, Stanislav Kinsbursky wrote:
>> This syscall allows to bind socket to specified file descriptor.
>> Descriptor can be gained by simple open with O_PATH flag.
>> Socket node can be created by sys_mknod().
>>
>> Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
>> ---
>> arch/x86/syscalls/syscall_32.tbl | 1 +
>> arch/x86/syscalls/syscall_64.tbl | 1 +
>> include/linux/syscalls.h | 1 +
>> kernel/sys_ni.c | 3 +++
>> net/socket.c | 25 +++++++++++++++++++++++++
>> 5 files changed, 31 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
>> index 7a35a6e..9594b82 100644
>> --- a/arch/x86/syscalls/syscall_32.tbl
>> +++ b/arch/x86/syscalls/syscall_32.tbl
>> @@ -356,3 +356,4 @@
>> 347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
>> 348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
>> 349 i386 kcmp sys_kcmp
>> +350 i386 fbind sys_fbind
>
> i386 uses socketcalls... perhaps it shouldn't (socketcalls are pretty
> much an abomination), but for socketcall-based architectures this really
> should be a socketcall.
>
Thanks, Peter. I'll rework this.
> Don't you also need fconnect()? Or is that simply handled by allowing
> open() without O_PATH?
>
Yes, I need it.
If this approach will be accepted, then I'll send one more patch set for fconnect.
> -hpa
>
--
Best regards,
Stanislav Kinsbursky
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