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Re: [RESEND PATCH v9] Mutex: Add pthread mutex tunables
On 2018/11/30 上午10:42, kemi wrote:
> On 2018/11/29 下午10:41, Florian Weimer wrote:
>> * Kemi Wang:
>>> +# SXID_ERASE: (default) Don't read for AT_SECURE binaries and
>>> +# removed so that child processes can't read it.
>> I think this will not work as intended for libpthread tunables because
>> if libpthread is not linked in, no code in nptl/nptl-init.c ever runs.
> this tunable is for pthread mutex. If the libpthread is not linked in,
> it seems reasonable that we can't use this tunables.
> Why do we need to move to elf/dl-tunables.list and do some tricks?
Or you are talking something on pthread mutex shared within multiple processes?
In this case, libpthread may not need, and we still hope pthread mutex tunable
works in this case?
>> I think we need to move the tunable to elf/dl-tunables.list, parse it
>> there, and communicate the result to libpthread, possibly via