Re: Appendix: multithreating HOWTO ? :)

[Claudio Fontana <claudio.fontana@xxxxxxxxx>]

On Sun, Aug 23, 2009 at 5:04 PM, Frank Kotler<fbkotler@xxxxxxxxx> wrote:
> Claudio Fontana wrote:
>>
>> Łukasz wrote:
>>>
>>> in appendix i want to just precize problem. Broblem is how to write,
>>> create etc, shared memory for parent and child proceses, where they could
>>> for example exchange wariables
>>
>> You are using fork. Fork is used to create new processes.
>> You probably want clone instead, to create new threads and specify
>> which resources to share between the two threads.
>>
>> man 2 clone
>>
>> sys_clone is 120 (0x78).
>
> Is that a 64-bit sys_call number? I thought they'd changed that on us.
> AFAIK, __NR_clone is 56 these days... and "syscall" replaces int 0x80. A
> real "curve ball" to asm programmers! Well, they *told* us not to do it that
> way. :)
>
> Best,
> Frank

I am still on good old 32bit. On 64 bit system call numbers are indeed
completely different.
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