diff options
Diffstat (limited to 'winsup/cygserver/sysv_shm.cc')
| -rw-r--r-- | winsup/cygserver/sysv_shm.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/winsup/cygserver/sysv_shm.cc b/winsup/cygserver/sysv_shm.cc index 70ed1a3d4..7d038f0a6 100644 --- a/winsup/cygserver/sysv_shm.cc +++ b/winsup/cygserver/sysv_shm.cc @@ -808,6 +808,12 @@ shmget(struct thread *td, struct shmget_args *uap) mode = uap->shmflg & ACCESSPERMS; if (uap->key != IPC_PRIVATE) { again: +#ifdef __CYGWIN__ + if (uap->shmflg & IPC_KEY_IS_SHMID) + segnum = shm_find_segment_by_shmid ((int) uap->key) ? + IPCID_TO_IX((int) uap->key) : -1; + else +#endif segnum = shm_find_segment_by_key(uap->key); if (segnum >= 0) { error = shmget_existing(td, uap, mode, segnum); |