nptl: Fix pthread_tryjoin comment.

In pthread_tryjoin if pd->tid == 0 then we will not block on a
futex operation because we will immediately see the join is already
complete and return. The comment is fixed to reflect that.

Signed-off-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Carlos O'Donell 2019-02-11 16:02:56 -05:00
parent 8c9289b642
commit b026ce1ee9
2 changed files with 5 additions and 1 deletions

View file

@ -1,3 +1,7 @@
2019-02-19 Carlos O'Donell <carlos@redhat.com>
* nptl/pthread_tryjoin.c: Fix comment.
2019-02-18 Joseph Myers <joseph@codesourcery.com>
[BZ #24231]

View file

@ -26,7 +26,7 @@ pthread_tryjoin_np (pthread_t threadid, void **thread_return)
if (pd->tid != 0)
return EBUSY;
/* If pd->tid != 0 then lll_wait_tid will not block on futex
/* If pd->tid == 0 then lll_wait_tid will not block on futex
operation. */
return __pthread_timedjoin_ex (threadid, thread_return, NULL, false);
}