From: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Date: Wed, 22 Jul 2020 22:26:24 +0000 (+0100)
Subject: git-barrier-1
X-Git-Tag: archive/raspbian/2.31-2+rpi1^2~69
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7f3b9996442bb14b617b2be65f9fec6aebe1958e;p=glibc.git

git-barrier-1

commit 29bc8736d1fdb80d2416b3920080dad58b32bf44
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Feb 9 23:02:13 2020 +0000

    htl: Fix barrier_wait with one thread


Gbp-Pq: Topic hurd-i386
Gbp-Pq: Name git-barrier-1.diff
---

diff --git a/sysdeps/htl/pt-barrier-wait.c b/sysdeps/htl/pt-barrier-wait.c
index 47ec440b2..146605abd 100644
--- a/sysdeps/htl/pt-barrier-wait.c
+++ b/sysdeps/htl/pt-barrier-wait.c
@@ -29,7 +29,9 @@ pthread_barrier_wait (pthread_barrier_t *barrier)
     {
       barrier->__pending = barrier->__count;
 
-      if (barrier->__count > 1)
+      if (barrier->__count == 1)
+	__pthread_spin_unlock (&barrier->__lock);
+      else
 	{
 	  struct __pthread *wakeup;
 	  unsigned n = 0;