diff options
Diffstat (limited to 'src/backend/storage/ipc/ipc.c')
-rw-r--r-- | src/backend/storage/ipc/ipc.c | 139 |
1 files changed, 1 insertions, 138 deletions
diff --git a/src/backend/storage/ipc/ipc.c b/src/backend/storage/ipc/ipc.c index f6e045a2cdc..2ea5ccfeda0 100644 --- a/src/backend/storage/ipc/ipc.c +++ b/src/backend/storage/ipc/ipc.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.51 2000/10/03 03:11:17 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.52 2000/10/07 14:39:12 momjian Exp $ * * NOTES * @@ -243,17 +243,12 @@ on_exit_reset(void) static void IPCPrivateSemaphoreKill(int status, int semId) { -/* BeOS has a native sempahore type... */ -#ifndef __BEOS__ union semun semun; semun.val = 0; /* unused */ if (semctl(semId, 0, IPC_RMID, semun) == -1) elog(NOTICE, "IPCPrivateSemaphoreKill: semctl(%d, 0, IPC_RMID, ...) failed: %s", semId, strerror(errno)); -#else /* __BEOS__ */ - delete_sem(semId); -#endif /* __BEOS__ */ } @@ -270,18 +265,11 @@ IPCPrivateMemoryKill(int status, int shmId) } else { -#ifndef __BEOS__ if (shmctl(shmId, IPC_RMID, (struct shmid_ds *) NULL) < 0) { elog(NOTICE, "IPCPrivateMemoryKill: shmctl(%d, %d, 0) failed: %m", shmId, IPC_RMID); } -#else - if (delete_area(shmId) != B_OK) - { - elog(NOTICE, "IPCPrivateMemoryKill: delete_area(%d) failed", shmId); - } -#endif /* __BEOS__ */ } } @@ -304,7 +292,6 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey, int removeOnExit) { int semId; -#ifndef __BEOS__ int i; int errStatus; u_short array[IPC_NMAXSEM]; @@ -366,21 +353,6 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey, } -#else /* BeOS implementation */ - char semname[32]; - sprintf (semname, "pgsql_ipc:%ld", semKey); - semId = create_sem(1, semname); - if (semId < 0) { - fprintf(stderr, "IpcSemaphoreCreate: create_sem(1, %s) failed: %s\n", - semname, strerror(errno)); - return (-1); - } - - if (removeOnExit) - on_shmem_exit(IPCPrivateSemaphoreKill, (caddr_t) semId); - -#endif - #ifdef DEBUG_IPC fprintf(stderr, "IpcSemaphoreCreate returns %d\n", semId); fflush(stdout); @@ -424,7 +396,6 @@ void IpcSemaphoreKill(IpcSemaphoreKey key) { int semId; -#ifndef __BEOS__ union semun semun; semun.val = 0; /* unused */ @@ -433,23 +404,6 @@ IpcSemaphoreKill(IpcSemaphoreKey key) semId = semget(key, 0, 0); if (semId != -1) semctl(semId, 0, IPC_RMID, semun); -#else -/* first find the semId by looking at sempahore names... */ - sem_info si; - int32 cookie = 0; - char semname[32]; - sprintf(semname, "pgsql_ipc:%ld", key); - - semId = -1; - while (get_next_sem_info(0, &cookie, &si) == B_OK) { - if (strcmp(si.name, semname) == 0){ - semId = si.sem; - break; - } - } - if (semId != -1) - delete_sem(semId); -#endif } /****************************************************************************/ @@ -462,7 +416,6 @@ static int IpcSemaphoreLock_return; void IpcSemaphoreLock(IpcSemaphoreId semId, int sem, int lock) { -#ifndef __BEOS__ extern int errno; int errStatus; struct sembuf sops; @@ -495,13 +448,6 @@ IpcSemaphoreLock(IpcSemaphoreId semId, int sem, int lock) semId, strerror(errno)); proc_exit(255); } -#else - if ((IpcSemaphoreLock_return = acquire_sem(semId)) != B_NO_ERROR) { - fprintf(stderr, "IpcSempahoreLock: acquire_sem failed on sem_id %d: %s\n", - semId, strerror(errno)); - proc_exit(255); - } -#endif } /****************************************************************************/ @@ -514,7 +460,6 @@ static int IpcSemaphoreUnlock_return; void IpcSemaphoreUnlock(IpcSemaphoreId semId, int sem, int lock) { -#ifndef __BEOS__ extern int errno; int errStatus; struct sembuf sops; @@ -548,49 +493,28 @@ IpcSemaphoreUnlock(IpcSemaphoreId semId, int sem, int lock) semId, strerror(errno)); proc_exit(255); } -#else - if ((IpcSemaphoreUnlock_return = release_sem(semId)) != B_NO_ERROR) { - fprintf(stderr, "IpcSempahoreUnlock: release_sem failed on sem_id %d: %s\n", - semId, strerror(errno)); - proc_exit(255); - } -#endif } int IpcSemaphoreGetCount(IpcSemaphoreId semId, int sem) { -#ifndef __BEOS__ int semncnt; union semun dummy; /* for Solaris */ dummy.val = 0; /* unused */ semncnt = semctl(semId, sem, GETNCNT, dummy); return semncnt; -#else - sem_info si; - - get_sem_info(semId, &si); - return si.count; -#endif /* __BEOS__ */ } int IpcSemaphoreGetValue(IpcSemaphoreId semId, int sem) { -#ifndef __BEOS__ int semval; union semun dummy; /* for Solaris */ dummy.val = 0; /* unused */ semval = semctl(semId, sem, GETVAL, dummy); return semval; -#else - sem_info si; - - get_sem_info(semId, &si); - return si.count; -#endif /* __BEOS__ */ } /****************************************************************************/ @@ -611,7 +535,6 @@ IpcMemoryCreate(IpcMemoryKey memKey, uint32 size, int permission) shmid = PrivateMemoryCreate(memKey, size); } else -#ifndef __BEOS__ shmid = shmget(memKey, size, IPC_CREAT | permission); @@ -649,24 +572,6 @@ IpcMemoryCreate(IpcMemoryKey memKey, uint32 size, int permission) return IpcMemCreationFailed; } -#else - - { - char *addr; - uint32 pages = ((size - 1) / B_PAGE_SIZE) +1; - char areaname[32]; - sprintf (areaname, "pgsql_ipc%ld", memKey); - - shmid = create_area(areaname, (void*)&addr, B_ANY_ADDRESS, pages * B_PAGE_SIZE, - B_NO_LOCK, B_READ_AREA|B_WRITE_AREA); - } - - if (shmid < 0) { - fprintf(stderr, "IpcMemoryCreate: failed: %s\n", - strerror(errno)); - return IpcMemCreationFailed; - } -#endif /* __BEOS__ */ /* if (memKey == PrivateIPCKey) */ on_shmem_exit(IPCPrivateMemoryKill, (Datum) shmid); @@ -683,7 +588,6 @@ IpcMemoryIdGet(IpcMemoryKey memKey, uint32 size) { IpcMemoryId shmid; -#ifndef __BEOS__ shmid = shmget(memKey, size, 0); if (shmid < 0) @@ -692,17 +596,6 @@ IpcMemoryIdGet(IpcMemoryKey memKey, uint32 size) memKey, size, strerror(errno)); return IpcMemIdGetFailed; } -#else - char areaname[32]; - sprintf(areaname, "pgsql_ipc%ld", memKey); - shmid = find_area(areaname); - - if (shmid == B_NAME_NOT_FOUND){ - fprintf(stderr, "IpcMemoryIdGet: find_area(%s) failed: %s\n", - areaname, strerror(errno)); - return IpcMemIdGetFailed; - } -#endif /* __BEOS__ */ return shmid; } @@ -715,10 +608,8 @@ IpcMemoryIdGet(IpcMemoryKey memKey, uint32 size) static void IpcMemoryDetach(int status, char *shmaddr) { -#ifndef __BEOS__ if (shmdt(shmaddr) < 0) elog(NOTICE, "IpcMemoryDetach: shmdt(0x%p) failed: %m", shmaddr); -#endif } /****************************************************************************/ @@ -733,7 +624,6 @@ IpcMemoryAttach(IpcMemoryId memId) { char *memAddress; -#ifndef __BEOS__ if (UsePrivateMemory) memAddress = (char *) PrivateMemoryAttach(memId); else @@ -746,23 +636,6 @@ IpcMemoryAttach(IpcMemoryId memId) memId, strerror(errno)); return IpcMemAttachFailed; } -#else - - if (UsePrivateMemory) - memAddress = (char *) PrivateMemoryAttach(memId); - else - { - area_info ai; - get_area_info(memId, &ai); - memAddress = (char *)ai.address; - } - - if (memAddress == (char *)-1) { - fprintf(stderr,"IpcMemoryAttach: failed to get area address (%d): %s\n", - memId, strerror(errno)); - return IpcMemAttachFailed; - } -#endif /* __BEOS__ */ if (!UsePrivateMemory) on_shmem_exit(IpcMemoryDetach, PointerGetDatum(memAddress)); @@ -780,7 +653,6 @@ IpcMemoryKill(IpcMemoryKey memKey) { IpcMemoryId shmid; -#ifndef __BEOS__ if (!UsePrivateMemory && (shmid = shmget(memKey, 0, 0)) >= 0) { if (shmctl(shmid, IPC_RMID, (struct shmid_ds *) NULL) < 0) @@ -789,15 +661,6 @@ IpcMemoryKill(IpcMemoryKey memKey) shmid, IPC_RMID); } } -#else - char areaname[32]; - sprintf(areaname, "pgsql_ipc%ld", memKey); - shmid = find_area(areaname); - if (!UsePrivateMemory && shmid > 0) { - if (delete_area(shmid) != B_OK) - elog(NOTICE, "IpcMemoryKill: deleta_area(%d) failed!", shmid); - } -#endif /* __BEOS__ */ } #ifdef HAS_TEST_AND_SET |