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List:       linux-man
Subject:    Re: [PATCH] getlogin.3: Modify thread-safety information
From:       Ma Shimiao <mashimiao.fnst () cn ! fujitsu ! com>
Date:       2015-02-27 7:21:59
Message-ID: 54F01B17.6030302 () cn ! fujitsu ! com
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Hi Michael,

On 02/27/2015 03:12 PM, Michael Kerrisk (man-pages) wrote:
> Hello Ma Shimiao,
> 
> Applied, but see some notes below.
> 
> On 02/27/2015 07:19 AM, Ma Shimiao wrote:
>> As annotation in glibc manual is more detailed, change the 
>> thread-safety information to be the same as glibc manual.
>>
>> Signed-off-by: Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
>> ---
>>  man3/getlogin.3 | 29 +++++++++++++++++++++++++++--
>>  1 file changed, 27 insertions(+), 2 deletions(-)
>>
>> diff --git a/man3/getlogin.3 b/man3/getlogin.3
>> index 828df2b..241f81c 100644
>> --- a/man3/getlogin.3
>> +++ b/man3/getlogin.3
>> @@ -147,14 +147,39 @@ l l l.
>>  Interface	Attribute	Value
>>  T{
>>  .BR getlogin ()
>> -T}	Thread safety	MT-Unsafe locale
>> +T}	Thread safety	T{
>> +MT-Unsafe race:getlogin race:utent
>> +.br
>> +sig:ALRM timer locale
>> +T}
>>  T{
>>  .BR getlogin_r ()
>> -T}	Thread safety	MT-Safe locale
>> +T}	Thread safety	T{
>> +MT-Unsafe race:utent sig:ALRM timer
>> +.br
>> +locale
>> +T}
>>  T{
>>  .BR cuserid ()
>>  T}	Thread safety	MT-Unsafe race:cuserid/!string locale
>>  .TE
>> +
>> +[[
> 
> The "[[...]]" is not needed.
Got it.
> 
>> +In the above table,
>> +.I utent
>> +in
>> +.I race:utent
>> +signifies that if any of the functions
>> +.BR setutent (), 
>> +.BR getutent (), 
>> +or
>> +.BR endutent ()
>> +are used in parallel in different threads of a program, then data races could occur.
> 
> Where possible, source lines should wrap when more than ~75 characters.

OK, I will take care next time.
> 
>> +.BR getlogin ()
>> +and
>> +.BR getlogin_r ()
>> +call them, so we use race:utent to remind users.
>> +]]
> 
> I removed the [[]] and wrapped the long source. And also made these
> fixes for getpwent.3 and getgrent.3, which I had overlooked earlier.

Thanks a lot!
> 
> Cheers,
> 
> Michael
> 


-- 
Ma Shimiao
Development Dept.I
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
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