svn commit: r218414 - in head: include lib/libc/include lib/libthr lib/libthr/thread share/man/man3 sys/sys

Daniel Eischen deischen at
Tue Feb 8 00:06:48 UTC 2011

On Mon, 7 Feb 2011, Jung-uk Kim wrote:

> On Monday 07 February 2011 06:12 pm, Garrett Cooper wrote:
>> On Mon, Feb 7, 2011 at 1:26 PM, Jung-uk Kim <jkim at>
> wrote:
>>> Author: jkim
>>> Date: Mon Feb �7 21:26:46 2011
>>> New Revision: 218414
>>> URL:
>>> Log:
>>> �Introduce a non-portable function pthread_getthreadid_np(3) to
>>> retrieve �calling thread's unique integral ID, which is similar
>>> to AIX function of �the same name. �Bump __FreeBSD_version to
>>> note its introduction.
>>     Stupid question: how is this different from pthread_self() ?
>> Isn't the pthread_t value returned unique across the system, or is
>> it relative to the process somehow?
> pthread_self(3) returns an opaque type pthread_t, e.g.,
> pthread_equal(3) must be used to compare two thread IDs.
> pthread_getthreadid_np(3) returns an integral type int, which is
> actually td_tid of the calling thread for libthr(3).
> Please see the following discussion:

Yes, we understand that Linux has it, and IBM has made
some sort of compat functions for accomplishing the same,
but why are developers so lazy that they cannot use
pthread_equal() instead of "="?  Or use something like

Yes, this is a rhetorical question.  Since Linux has it,
we must also :-(


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