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| author | Carlos O'Donell <carlos@redhat.com> | 2019-02-11 16:02:56 -0500 |
|---|---|---|
| committer | Carlos O'Donell <carlos@redhat.com> | 2019-02-19 09:22:34 -0500 |
| commit | b026ce1ee92de325463535c15ab5575f21b23702 (patch) | |
| tree | 7426bef86a4f52e131a9415342d400541200a8aa /nptl/pthread_tryjoin.c | |
| parent | 8c9289b64271639661e5dbe3c19c0badc9db9cfa (diff) | |
| download | glibc-b026ce1ee92de325463535c15ab5575f21b23702.tar.gz glibc-b026ce1ee92de325463535c15ab5575f21b23702.tar.xz glibc-b026ce1ee92de325463535c15ab5575f21b23702.zip | |
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>
Diffstat (limited to 'nptl/pthread_tryjoin.c')
| -rw-r--r-- | nptl/pthread_tryjoin.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nptl/pthread_tryjoin.c b/nptl/pthread_tryjoin.c index aa4fe07af5..7dbf22868d 100644 --- a/nptl/pthread_tryjoin.c +++ b/nptl/pthread_tryjoin.c @@ -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); } |