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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-01-03 10:49:18 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-01-03 10:49:18 -0500 |
| commit | ac67c6247361b3b8644b34e5301a46d5069c1373 (patch) | |
| tree | dd83147e304181e889eefa39e5056451031f4b5d /ipc | |
| parent | c4c48d83e9ffb1c25cccd59d5ea9dda6ded01faf (diff) | |
| parent | 88026842b0a760145aa71d69e74fbc9ec118ca44 (diff) | |
| download | talos-op-linux-ac67c6247361b3b8644b34e5301a46d5069c1373.tar.gz talos-op-linux-ac67c6247361b3b8644b34e5301a46d5069c1373.zip | |
Merge branch 'master'
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/sem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 19af028a3e38..cb5bb2a5df96 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -381,6 +381,7 @@ static void update_queue (struct sem_array * sma) /* hands-off: q will disappear immediately after * writing q->status. */ + smp_wmb(); q->status = error; q = n; } else { @@ -461,6 +462,7 @@ static void freeary (struct sem_array *sma, int id) n = q->next; q->status = IN_WAKEUP; wake_up_process(q->sleeper); /* doesn't sleep */ + smp_wmb(); q->status = -EIDRM; /* hands-off q */ q = n; } |
