pthread_setname_np (replacement) on AIX ?

[Thomas Stüfe]

Hi Matthias,

I dont think it exists on AIX:

We use it to set the thread name for debugging support (see
 os::set_native_thread_name). I personally think it is terribly important,
since debugging on AIX in dbx is something we try to avoid :)

Do you plan to commonize the implementation of os::set_native_thread_name
for all Posix platforms? If yes, this makes sense, but I would dlsym the
function.

Cheers, Thomas





On Thu, Oct 10, 2019 at 9:37 AM Baesken, Matthias <matthias.baesken at sap.com>
wrote:

> Hello,  currently  pthread_setname_np   is used on e.g.  Linux and BSD
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> https://hg.openjdk.java.net/jdk/jdk/file/ccb7bf459cbd/src/hotspot/os/linux/os_linux.cpp#l5101
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> https://hg.openjdk.java.net/jdk/jdk/file/ccb7bf459cbd/src/hotspot/os/bsd/os_bsd.cpp#l3280
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> for setting  unique names for a threads.
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> See the Linux manpage :
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> https://linux.die.net/man/3/pthread_setname_np
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> I noticed  that   the function seems to  be available  now  on IBM i
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> https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_72/apis/pthread_setname_np.htm
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> but I did not find it on AIX  -  are there plans to include it on AIX ? Or
> is it already available in some SP ?
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> If not is there a replacmenet function for it  we could use ?
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> Thanks, Matthias
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