diff options
Diffstat (limited to 'source3/locking')
| -rw-r--r-- | source3/locking/shmem_sysv.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/source3/locking/shmem_sysv.c b/source3/locking/shmem_sysv.c index 439d89c6e0..3466930f4c 100644 --- a/source3/locking/shmem_sysv.c +++ b/source3/locking/shmem_sysv.c @@ -641,8 +641,15 @@ struct shmem_ops *sysv_shm_open(int ronly) } } - /* try to use an existing key */ - shm_id = shmget(SHMEM_KEY, shm_size, 0); + /* + * Try to use an existing key. Note that + * in order to use an existing key successfully + * size must be zero else shmget returns EINVAL. + * Thanks to Veselin Terzic <vterzic@systems.DHL.COM> + * for pointing this out. + */ + + shm_id = shmget(SHMEM_KEY, 0, 0); /* if that failed then create one */ if (shm_id == -1) { |