[PATCH] manual: Document setlogmask as MT-safe.

[Carlos O'Donell]

On 2/13/25 4:04 PM, Florian Weimer wrote:
> * Carlos O'Donell:
> 
>> setlogmask(3) was made MT-safe in glibc-2.33 with the fix for
>> bug 26100.
>> ---
>>  manual/syslog.texi | 5 +----
>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> diff --git a/manual/syslog.texi b/manual/syslog.texi
>> index 02f84d6e6f..90a6487c02 100644
>> --- a/manual/syslog.texi
>> +++ b/manual/syslog.texi
>> @@ -498,10 +498,7 @@ The symbols referred to in this section are declared in the file
>>  
>>  @deftypefun int setlogmask (int @var{mask})
>>  @standards{BSD, syslog.h}
>> -@safety{@prelim{}@mtunsafe{@mtasurace{:LogMask}}@asunsafe{}@acsafe{}}
>> -@c Read and modify are not guarded by syslog_lock, so concurrent changes
>> -@c or even uses are undefined.  This should use an atomic swap instead,
>> -@c at least for modifications.
>> +@safety{@prelim{}@mtsafe{}@asunsafe{}@acsafe{}}
>>  
>>  @code{setlogmask} sets a mask (the ``logmask'') that determines which
>>  future @code{syslog} calls shall be ignored.  If a program has not
> 
> Looks good.
> 
> Reviewed-by: Florian Weimer <fweimer@redhat.com>

And surprising this broke check-safety.sh test.

I think it is a flaw in the test that it passes before but doesn't pass now.

I'll fix this ASAP.

-- 
Cheers,
Carlos.