diff options
Diffstat (limited to 'src/backend/port/beos/shm.c')
| -rw-r--r-- | src/backend/port/beos/shm.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/backend/port/beos/shm.c b/src/backend/port/beos/shm.c index ee5b67fc9c..e213ecb664 100644 --- a/src/backend/port/beos/shm.c +++ b/src/backend/port/beos/shm.c @@ -57,12 +57,25 @@ int* shmat(int memId,int m1,int m2) } } -/* Control a shared mem area : Used only to delete it */ -int shmctl(int shmid,int flag, struct shmid_ds* dummy) +/* Control a shared mem area */ +int shmctl(int shmid, int flag, struct shmid_ds* dummy) { - /* Delete the area */ - delete_area(shmid); - return 0; + if (flag == IPC_RMID) + { + /* Delete the area */ + delete_area(shmid); + return 0; + } + if (flag == IPC_STAT) + { + /* Is there a way to check existence of an area given its ID? + * For now, punt and assume it does not exist. + */ + errno = EINVAL; + return -1; + } + errno = EINVAL; + return -1; } /* Get an area based on the IPC key */ |