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Date:      Fri, 20 Jan 2012 15:35:35 -0800
From:      Xin Li <delphij@delphij.net>
To:        Eitan Adler <lists@eitanadler.com>
Cc:        Kostik Belousov <kostikbel@gmail.com>, jilles@freebsd.org, d@delphij.net, Colin Percival <cperciva@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: dup3 syscall - atomic set O_CLOEXEC with dup2
Message-ID:  <4F19FA47.7060908@delphij.net>
In-Reply-To: <CAF6rxg=Xbh--nL3pebj=ra%2B09K%2BWJYen2JPVDWwR14%2BifG-_iQ@mail.gmail.com>
References:  <CAF6rxg=EjkwFbXQt3i2Nnz6_dcZtdek-2YdqyZnAdVPxVaWR_Q@mail.gmail.com> <20120112100840.GV31224@deviant.kiev.zoral.com.ua> <CAF6rxgne7M9xBb-mM1xsjPy3r-O%2BO%2BMzuYrsweG849V83MX3mA@mail.gmail.com> <CAF6rxgn5uddFb4LOGb0E_OOpVMiFavOVHwnrKF7cFHb6tfrPjw@mail.gmail.com> <CAF6rxg=Xbh--nL3pebj=ra%2B09K%2BWJYen2JPVDWwR14%2BifG-_iQ@mail.gmail.com>

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Hi, Eitan,

On 01/20/12 15:25, Eitan Adler wrote:
> I figure this isn't wanted?

Since this is modeled after Linux's dup3() system call, would you
please also add a compat entry for it?  By the way:

> On Thu, Jan 12, 2012 at 10:07 PM, Eitan Adler
> <lists@eitanadler.com> wrote:
>> Okay - here is version 2 (compile and run tested) Index:
>> sys/kern/syscalls.master 
>> ===================================================================
>>
>> 
- --- sys/kern/syscalls.master    (revision 229830)
>> +++ sys/kern/syscalls.master    (working copy) @@ -951,5 +951,6
>> @@ off_t offset, off_t len); } 531    AUE_NULL        STD     {
>> int posix_fadvise(int fd, off_t offset, \ off_t len, int advice);
>> } +532    AUE_NULL        STD     { int dup3(u_int from, u_int
>> to, int flags); }

I think we want audit here?

>> ; Please copy any additions and changes to the following
>> compatability tables: ; sys/compat/freebsd32/syscalls.master 
>> Index: sys/compat/freebsd32/syscalls.master 
>> ===================================================================
>>
>> 
- --- sys/compat/freebsd32/syscalls.master        (revision 229830)
>> +++ sys/compat/freebsd32/syscalls.master        (working copy) @@
>> -997,3 +997,4 @@ uint32_t offset1, uint32_t offset2,\ uint32_t
>> len1, uint32_t len2, \ int advice); } +532    AUE_NULL        STD
>> { int dup3(u_int from, u_int to, int flags); }

Ditto...

Cheers,
- -- 
Xin LI <delphij@delphij.net>	https://www.delphij.net/
FreeBSD - The Power to Serve!		Live free or die
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