diff options
Diffstat (limited to 'ipc/util.c')
-rw-r--r-- | ipc/util.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ipc/util.c b/ipc/util.c index ff045fec8d83..4ed5a17dd06f 100644 --- a/ipc/util.c +++ b/ipc/util.c | |||
@@ -23,9 +23,12 @@ | |||
23 | * tree. | 23 | * tree. |
24 | * - perform initial checks (capabilities, auditing and permission, | 24 | * - perform initial checks (capabilities, auditing and permission, |
25 | * etc). | 25 | * etc). |
26 | * - perform read-only operations, such as STAT, INFO commands. | 26 | * - perform read-only operations, such as INFO command, that |
27 | * do not demand atomicity | ||
27 | * acquire the ipc lock (kern_ipc_perm.lock) through | 28 | * acquire the ipc lock (kern_ipc_perm.lock) through |
28 | * ipc_lock_object() | 29 | * ipc_lock_object() |
30 | * - perform read-only operations that demand atomicity, | ||
31 | * such as STAT command. | ||
29 | * - perform data updates, such as SET, RMID commands and | 32 | * - perform data updates, such as SET, RMID commands and |
30 | * mechanism-specific operations (semop/semtimedop, | 33 | * mechanism-specific operations (semop/semtimedop, |
31 | * msgsnd/msgrcv, shmat/shmdt). | 34 | * msgsnd/msgrcv, shmat/shmdt). |