Line data    Source code

       1              : /*---------------------------------------------------------------------------
       2              :  * subsystemlist.h
       3              :  *
       4              :  * List of initialization callbacks of built-in subsystems. This is kept in
       5              :  * its own source file for possible use by automatic tools.
       6              :  * PG_SHMEM_SUBSYSTEM is defined in the callers depending on how the list is
       7              :  * used.
       8              :  *
       9              :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
      10              :  * Portions Copyright (c) 1994, Regents of the University of California
      11              :  *
      12              :  * src/include/storage/subsystemlist.h
      13              :  *---------------------------------------------------------------------------
      14              :  */
      15              : 
      16              : /* there is deliberately not an #ifndef SUBSYSTEMLIST_H here */
      17              : 
      18              : /*
      19              :  * Note: there are some inter-dependencies between these, so the order of some
      20              :  * of these matter.
      21              :  */
      22              : 
      23              : /*
      24              :  * LWLocks first, in case any of the other shmem init functions use LWLocks.
      25              :  * (Nothing else can be running during startup, so they don't need to do any
      26              :  * locking yet, but we nevertheless allow it.)
      27              :  */
      28         1242 : PG_SHMEM_SUBSYSTEM(LWLockCallbacks)
      29              : 
      30         1242 : PG_SHMEM_SUBSYSTEM(dsm_shmem_callbacks)
      31         1242 : PG_SHMEM_SUBSYSTEM(DSMRegistryShmemCallbacks)
      32              : 
      33              : /* xlog, clog, and buffers */
      34         1242 : PG_SHMEM_SUBSYSTEM(VarsupShmemCallbacks)
      35         1242 : PG_SHMEM_SUBSYSTEM(XLOGShmemCallbacks)
      36         1242 : PG_SHMEM_SUBSYSTEM(XLogPrefetchShmemCallbacks)
      37         1242 : PG_SHMEM_SUBSYSTEM(XLogRecoveryShmemCallbacks)
      38         1242 : PG_SHMEM_SUBSYSTEM(CLOGShmemCallbacks)
      39         1242 : PG_SHMEM_SUBSYSTEM(CommitTsShmemCallbacks)
      40         1242 : PG_SHMEM_SUBSYSTEM(SUBTRANSShmemCallbacks)
      41         1242 : PG_SHMEM_SUBSYSTEM(MultiXactShmemCallbacks)
      42         1242 : PG_SHMEM_SUBSYSTEM(BufferManagerShmemCallbacks)
      43         1242 : PG_SHMEM_SUBSYSTEM(StrategyCtlShmemCallbacks)
      44         1242 : PG_SHMEM_SUBSYSTEM(BufTableShmemCallbacks)
      45              : 
      46              : /* lock manager */
      47         1242 : PG_SHMEM_SUBSYSTEM(LockManagerShmemCallbacks)
      48              : 
      49              : /* predicate lock manager */
      50         1242 : PG_SHMEM_SUBSYSTEM(PredicateLockShmemCallbacks)
      51              : 
      52              : /* process table */
      53         1242 : PG_SHMEM_SUBSYSTEM(ProcGlobalShmemCallbacks)
      54         1242 : PG_SHMEM_SUBSYSTEM(ProcArrayShmemCallbacks)
      55         1242 : PG_SHMEM_SUBSYSTEM(BackendStatusShmemCallbacks)
      56         1242 : PG_SHMEM_SUBSYSTEM(TwoPhaseShmemCallbacks)
      57         1242 : PG_SHMEM_SUBSYSTEM(BackgroundWorkerShmemCallbacks)
      58              : 
      59              : /* shared-inval messaging */
      60         1242 : PG_SHMEM_SUBSYSTEM(SharedInvalShmemCallbacks)
      61              : 
      62              : /* interprocess signaling mechanisms */
      63         1242 : PG_SHMEM_SUBSYSTEM(PMSignalShmemCallbacks)
      64         1242 : PG_SHMEM_SUBSYSTEM(ProcSignalShmemCallbacks)
      65         1242 : PG_SHMEM_SUBSYSTEM(CheckpointerShmemCallbacks)
      66         1242 : PG_SHMEM_SUBSYSTEM(AutoVacuumShmemCallbacks)
      67         1242 : PG_SHMEM_SUBSYSTEM(ReplicationSlotsShmemCallbacks)
      68         1242 : PG_SHMEM_SUBSYSTEM(ReplicationOriginShmemCallbacks)
      69         1242 : PG_SHMEM_SUBSYSTEM(WalSndShmemCallbacks)
      70         1242 : PG_SHMEM_SUBSYSTEM(WalRcvShmemCallbacks)
      71         1242 : PG_SHMEM_SUBSYSTEM(WalSummarizerShmemCallbacks)
      72         1242 : PG_SHMEM_SUBSYSTEM(PgArchShmemCallbacks)
      73         1242 : PG_SHMEM_SUBSYSTEM(ApplyLauncherShmemCallbacks)
      74         1242 : PG_SHMEM_SUBSYSTEM(SlotSyncShmemCallbacks)
      75              : 
      76              : /* other modules that need some shared memory space */
      77         1242 : PG_SHMEM_SUBSYSTEM(BTreeShmemCallbacks)
      78         1242 : PG_SHMEM_SUBSYSTEM(SyncScanShmemCallbacks)
      79         1242 : PG_SHMEM_SUBSYSTEM(AsyncShmemCallbacks)
      80         1242 : PG_SHMEM_SUBSYSTEM(StatsShmemCallbacks)
      81         1242 : PG_SHMEM_SUBSYSTEM(WaitEventCustomShmemCallbacks)
      82              : #ifdef USE_INJECTION_POINTS
      83         1242 : PG_SHMEM_SUBSYSTEM(InjectionPointShmemCallbacks)
      84              : #endif
      85         1242 : PG_SHMEM_SUBSYSTEM(WaitLSNShmemCallbacks)
      86         1242 : PG_SHMEM_SUBSYSTEM(LogicalDecodingCtlShmemCallbacks)
      87         1242 : PG_SHMEM_SUBSYSTEM(DataChecksumsShmemCallbacks)
      88              : 
      89              : /* AIO subsystem. This delegates to the method-specific callbacks */
      90         1242 : PG_SHMEM_SUBSYSTEM(AioShmemCallbacks)