diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c index bf3dec1875..64eb13688f 100644 --- a/src/backend/storage/buffer/buf_init.c +++ b/src/backend/storage/buffer/buf_init.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.17 1998/01/07 21:04:46 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.18 1998/06/27 15:47:43 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -277,14 +277,14 @@ BufferShmemSize() nbuckets = 1 << (int) my_log2((NBuffers - 1) / DEF_FFACTOR + 1); nsegs = 1 << (int) my_log2((nbuckets - 1) / DEF_SEGSIZE + 1); - /* size of shmem binding table */ - size += MAXALIGN(my_log2(BTABLE_SIZE) * sizeof(void *)); /* HTAB->dir */ + /* size of shmem index table */ + size += MAXALIGN(my_log2(SHMEM_INDEX_SIZE) * sizeof(void *)); /* HTAB->dir */ size += MAXALIGN(sizeof(HHDR)); /* HTAB->hctl */ size += MAXALIGN(DEF_SEGSIZE * sizeof(SEGMENT)); size += BUCKET_ALLOC_INCR * (MAXALIGN(sizeof(BUCKET_INDEX)) + - MAXALIGN(BTABLE_KEYSIZE) + - MAXALIGN(BTABLE_DATASIZE)); + MAXALIGN(SHMEM_INDEX_KEYSIZE) + + MAXALIGN(SHMEM_INDEX_DATASIZE)); /* size of buffer descriptors */ size += MAXALIGN((NBuffers + 1) * sizeof(BufferDesc)); diff --git a/src/backend/storage/ipc/ipci.c b/src/backend/storage/ipc/ipci.c index 4bcc15efd2..330b527316 100644 --- a/src/backend/storage/ipc/ipci.c +++ b/src/backend/storage/ipc/ipci.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.14 1998/06/27 04:53:35 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.15 1998/06/27 15:47:44 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -83,7 +83,7 @@ CreateSharedMemoryAndSemaphores(IPCKey key) IPCKeyGetBufferMemoryKey(key), size); } ShmemCreate(IPCKeyGetBufferMemoryKey(key), size); - ShmemBindingTableReset(); + ShmemIndexReset(); InitShmem(key, size); InitBufferPool(key); diff --git a/src/backend/storage/ipc/shmem.c b/src/backend/storage/ipc/shmem.c index 48b563986e..0a29a19c0f 100644 --- a/src/backend/storage/ipc/shmem.c +++ b/src/backend/storage/ipc/shmem.c @@ -7,14 +7,14 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmem.c,v 1.24 1998/06/27 14:06:41 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/shmem.c,v 1.25 1998/06/27 15:47:44 momjian Exp $ * *------------------------------------------------------------------------- */ /* * POSTGRES processes share one or more regions of shared memory. - * The shared memory is created by a postmaster and is "attached to" - * by each of the backends. The routines in this file are used for + * The shared memory is created by a postmaster and is inherited + * by each backends via fork(). The routines in this file are used for * allocating and binding to shared memory data structures. * * NOTES: @@ -30,16 +30,16 @@ * it (assigned in the module that declares it). * * (b) During initialization, each module looks for its - * shared data structures in a hash table called the "Binding Table". + * shared data structures in a hash table called the "Shmem Index". * If the data structure is not present, the caller can allocate * a new one and initialize it. If the data structure is present, * the caller "attaches" to the structure by initializing a pointer * in the local address space. - * The binding table has two purposes: first, it gives us + * The shmem index has two purposes: first, it gives us * a simple model of how the world looks when a backend process - * initializes. If something is present in the binding table, + * initializes. If something is present in the shmem index, * it is initialized. If it is not, it is uninitialized. Second, - * the binding table allows us to allocate shared memory on demand + * the shmem index allows us to allocate shared memory on demand * instead of trying to preallocate structures and hard-wire the * sizes and locations in header files. If you are using a lot * of shared memory in a lot of different places (and changing @@ -54,7 +54,7 @@ * unnecessary. * * See InitSem() in sem.c for an example of how to use the - * binding table. + * shmem index. * */ #include @@ -76,28 +76,28 @@ static unsigned long ShmemSize = 0; /* current size (and default) */ SPINLOCK ShmemLock; /* lock for shared memory allocation */ -SPINLOCK BindingLock; /* lock for binding table access */ +SPINLOCK ShmemIndexLock; /* lock for shmem index access */ static unsigned long *ShmemFreeStart = NULL; /* pointer to the OFFSET * of first free shared * memory */ -static unsigned long *ShmemBindingTableOffset = NULL; /* start of the binding +static unsigned long *ShmemIndexOffset = NULL; /* start of the shmem index * table (for bootstrap) */ static int ShmemBootstrap = FALSE; /* flag becomes true when shared * mem is created by POSTMASTER */ -static HTAB *BindingTable = NULL; +static HTAB *ShmemIndex = NULL; /* --------------------- - * ShmemBindingTableReset() - Resets the binding table to NULL.... + * ShmemIndexReset() - Resets the shmem index to NULL.... * useful when the postmaster destroys existing shared memory * and creates all new segments after a backend crash. * ---------------------- */ void -ShmemBindingTableReset(void) +ShmemIndexReset(void) { - BindingTable = (HTAB *) NULL; + ShmemIndex = (HTAB *) NULL; } /* @@ -147,7 +147,7 @@ InitShmem(unsigned int key, unsigned int size) HASHCTL info; int hash_flags; - BindingEnt *result, + ShmemIndexEnt *result, item; bool found; IpcMemoryId shmid; @@ -178,15 +178,15 @@ InitShmem(unsigned int key, unsigned int size) /* First long in shared memory is the count of available space */ ShmemFreeStart = (unsigned long *) ShmemBase; - /* next is a shmem pointer to the binding table */ - ShmemBindingTableOffset = ShmemFreeStart + 1; + /* next is a shmem pointer to the shmem index */ + ShmemIndexOffset = ShmemFreeStart + 1; currFreeSpace += - sizeof(ShmemFreeStart) + sizeof(ShmemBindingTableOffset); + sizeof(ShmemFreeStart) + sizeof(ShmemIndexOffset); /* * bootstrap initialize spin locks so we can start to use the - * allocator and binding table. + * allocator and shmem index. */ if (!InitSpinLocks(ShmemBootstrap, IPCKeyGetSpinLockSemaphoreKey(key))) return (FALSE); @@ -201,37 +201,37 @@ InitShmem(unsigned int key, unsigned int size) /* if ShmemFreeStart is NULL, then the allocator won't work */ Assert(*ShmemFreeStart); - /* create OR attach to the shared memory binding table */ - info.keysize = BTABLE_KEYSIZE; - info.datasize = BTABLE_DATASIZE; + /* create OR attach to the shared memory shmem index */ + info.keysize = SHMEM_INDEX_KEYSIZE; + info.datasize = SHMEM_INDEX_DATASIZE; hash_flags = (HASH_ELEM); - /* This will acquire the binding table lock, but not release it. */ - BindingTable = ShmemInitHash("BindingTable", - BTABLE_SIZE, BTABLE_SIZE, + /* This will acquire the shmem index lock, but not release it. */ + ShmemIndex = ShmemInitHash("ShmemIndex", + SHMEM_INDEX_SIZE, SHMEM_INDEX_SIZE, &info, hash_flags); - if (!BindingTable) + if (!ShmemIndex) { - elog(FATAL, "InitShmem: couldn't initialize Binding Table"); + elog(FATAL, "InitShmem: couldn't initialize Shmem Index"); return (FALSE); } /* - * Now, check the binding table for an entry to the binding table. If + * Now, check the shmem index for an entry to the shmem index. If * there is an entry there, someone else created the table. Otherwise, * we did and we have to initialize it. */ - MemSet(item.key, 0, BTABLE_KEYSIZE); - strncpy(item.key, "BindingTable", BTABLE_KEYSIZE); + MemSet(item.key, 0, SHMEM_INDEX_KEYSIZE); + strncpy(item.key, "ShmemIndex", SHMEM_INDEX_KEYSIZE); - result = (BindingEnt *) - hash_search(BindingTable, (char *) &item, HASH_ENTER, &found); + result = (ShmemIndexEnt *) + hash_search(ShmemIndex, (char *) &item, HASH_ENTER, &found); if (!result) { - elog(FATAL, "InitShmem: corrupted binding table"); + elog(FATAL, "InitShmem: corrupted shmem index"); return (FALSE); } @@ -239,14 +239,14 @@ InitShmem(unsigned int key, unsigned int size) { /* - * bootstrapping shmem: we have to initialize the binding table + * bootstrapping shmem: we have to initialize the shmem index * now. */ Assert(ShmemBootstrap); - result->location = MAKE_OFFSET(BindingTable->hctl); - *ShmemBindingTableOffset = result->location; - result->size = BTABLE_SIZE; + result->location = MAKE_OFFSET(ShmemIndex->hctl); + *ShmemIndexOffset = result->location; + result->size = SHMEM_INDEX_SIZE; ShmemBootstrap = FALSE; @@ -254,9 +254,9 @@ InitShmem(unsigned int key, unsigned int size) else Assert(!ShmemBootstrap); /* now release the lock acquired in ShmemHashInit */ - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); - Assert(result->location == MAKE_OFFSET(BindingTable->hctl)); + Assert(result->location == MAKE_OFFSET(ShmemIndex->hctl)); return (TRUE); } @@ -329,7 +329,7 @@ ShmemIsValid(unsigned long addr) * for the structure before creating the structure itself. */ HTAB * -ShmemInitHash(char *name, /* table string name for binding */ +ShmemInitHash(char *name, /* table string name for shmem index */ long init_size, /* initial size */ long max_size, /* max size of the table */ HASHCTL *infoP, /* info about key and bucket size */ @@ -348,12 +348,12 @@ ShmemInitHash(char *name, /* table string name for binding */ infoP->max_size = max_size; hash_flags |= HASH_SHARED_MEM; - /* look it up in the binding table */ + /* look it up in the shmem index */ location = ShmemInitStruct(name, my_log2(max_size) + sizeof(HHDR), &found); /* - * binding table is corrupted. Let someone else give the error + * shmem index is corrupted. Let someone else give the error * message since they have more information */ if (location == NULL) @@ -379,7 +379,7 @@ ShmemInitHash(char *name, /* table string name for binding */ * ShmemPIDLookup -- lookup process data structure using process id * * Returns: TRUE if no error. locationPtr is initialized if PID is - * found in the binding table. + * found in the shmem index. * * NOTES: * only information about success or failure is the value of @@ -388,23 +388,23 @@ ShmemInitHash(char *name, /* table string name for binding */ bool ShmemPIDLookup(int pid, SHMEM_OFFSET *locationPtr) { - BindingEnt *result, + ShmemIndexEnt *result, item; bool found; - Assert(BindingTable); - MemSet(item.key, 0, BTABLE_KEYSIZE); + Assert(ShmemIndex); + MemSet(item.key, 0, SHMEM_INDEX_KEYSIZE); sprintf(item.key, "PID %d", pid); - SpinAcquire(BindingLock); - result = (BindingEnt *) - hash_search(BindingTable, (char *) &item, HASH_ENTER, &found); + SpinAcquire(ShmemIndexLock); + result = (ShmemIndexEnt *) + hash_search(ShmemIndex, (char *) &item, HASH_ENTER, &found); if (!result) { - SpinRelease(BindingLock); - elog(ERROR, "ShmemInitPID: BindingTable corrupted"); + SpinRelease(ShmemIndexLock); + elog(ERROR, "ShmemInitPID: ShmemIndex corrupted"); return (FALSE); } @@ -414,39 +414,39 @@ ShmemPIDLookup(int pid, SHMEM_OFFSET *locationPtr) else result->location = *locationPtr; - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); return (TRUE); } /* - * ShmemPIDDestroy -- destroy binding table entry for process + * ShmemPIDDestroy -- destroy shmem index entry for process * using process id * * Returns: offset of the process struct in shared memory or * INVALID_OFFSET if not found. * - * Side Effect: removes the entry from the binding table + * Side Effect: removes the entry from the shmem index */ SHMEM_OFFSET ShmemPIDDestroy(int pid) { - BindingEnt *result, + ShmemIndexEnt *result, item; bool found; SHMEM_OFFSET location = 0; - Assert(BindingTable); + Assert(ShmemIndex); - MemSet(item.key, 0, BTABLE_KEYSIZE); + MemSet(item.key, 0, SHMEM_INDEX_KEYSIZE); sprintf(item.key, "PID %d", pid); - SpinAcquire(BindingLock); - result = (BindingEnt *) - hash_search(BindingTable, (char *) &item, HASH_REMOVE, &found); + SpinAcquire(ShmemIndexLock); + result = (ShmemIndexEnt *) + hash_search(ShmemIndex, (char *) &item, HASH_REMOVE, &found); if (found) location = result->location; - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); if (!result) { @@ -473,33 +473,33 @@ ShmemPIDDestroy(int pid) * table is returned. * * Returns: real pointer to the object. FoundPtr is TRUE if - * the object is already in the binding table (hence, already + * the object is already in the shmem index (hence, already * initialized). */ long * ShmemInitStruct(char *name, unsigned long size, bool *foundPtr) { - BindingEnt *result, + ShmemIndexEnt *result, item; long *structPtr; - strncpy(item.key, name, BTABLE_KEYSIZE); + strncpy(item.key, name, SHMEM_INDEX_KEYSIZE); item.location = BAD_LOCATION; - SpinAcquire(BindingLock); + SpinAcquire(ShmemIndexLock); - if (!BindingTable) + if (!ShmemIndex) { #ifdef USE_ASSERT_CHECKING - char *strname = "BindingTable"; + char *strname = "ShmemIndex"; #endif /* - * If the binding table doesnt exist, we fake it. + * If the shmem index doesnt exist, we fake it. * - * If we are creating the first binding table, then let shmemalloc() + * If we are creating the first shmem index, then let shmemalloc() * allocate the space for a new HTAB. Otherwise, find the old one - * and return that. Notice that the BindingLock is held until the - * binding table has been completely initialized. + * and return that. Notice that the ShmemIndexLock is held until the + * shmem index has been completely initialized. */ Assert(!strcmp(name, strname)); if (ShmemBootstrap) @@ -511,41 +511,41 @@ ShmemInitStruct(char *name, unsigned long size, bool *foundPtr) } else { - Assert(ShmemBindingTableOffset); + Assert(ShmemIndexOffset); *foundPtr = TRUE; - return ((long *) MAKE_PTR(*ShmemBindingTableOffset)); + return ((long *) MAKE_PTR(*ShmemIndexOffset)); } } else { - /* look it up in the binding table */ - result = (BindingEnt *) - hash_search(BindingTable, (char *) &item, HASH_ENTER, foundPtr); + /* look it up in the shmem index */ + result = (ShmemIndexEnt *) + hash_search(ShmemIndex, (char *) &item, HASH_ENTER, foundPtr); } if (!result) { - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); - elog(ERROR, "ShmemInitStruct: Binding Table corrupted"); + elog(ERROR, "ShmemInitStruct: Shmem Index corrupted"); return (NULL); } else if (*foundPtr) { /* - * Structure is in the binding table so someone else has allocated + * Structure is in the shmem index so someone else has allocated * it already. The size better be the same as the size we are * trying to initialize to or there is a name conflict (or worse). */ if (result->size != size) { - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); - elog(NOTICE, "ShmemInitStruct: BindingTable entry size is wrong"); + elog(NOTICE, "ShmemInitStruct: ShmemIndex entry size is wrong"); /* let caller print its message too */ return (NULL); } @@ -558,9 +558,9 @@ ShmemInitStruct(char *name, unsigned long size, bool *foundPtr) if (!structPtr) { /* out of memory */ - Assert(BindingTable); - hash_search(BindingTable, (char *) &item, HASH_REMOVE, foundPtr); - SpinRelease(BindingLock); + Assert(ShmemIndex); + hash_search(ShmemIndex, (char *) &item, HASH_REMOVE, foundPtr); + SpinRelease(ShmemIndexLock); *foundPtr = FALSE; elog(NOTICE, "ShmemInitStruct: cannot allocate '%s'", @@ -572,7 +572,7 @@ ShmemInitStruct(char *name, unsigned long size, bool *foundPtr) } Assert(ShmemIsValid((unsigned long) structPtr)); - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); return (structPtr); } @@ -586,19 +586,19 @@ ShmemInitStruct(char *name, unsigned long size, bool *foundPtr) bool TransactionIdIsInProgress(TransactionId xid) { - BindingEnt *result; + ShmemIndexEnt *result; PROC *proc; - Assert(BindingTable); + Assert(ShmemIndex); - SpinAcquire(BindingLock); + SpinAcquire(ShmemIndexLock); hash_seq((HTAB *) NULL); - while ((result = (BindingEnt *) hash_seq(BindingTable)) != NULL) + while ((result = (ShmemIndexEnt *) hash_seq(ShmemIndex)) != NULL) { - if (result == (BindingEnt *) TRUE) + if (result == (ShmemIndexEnt *) TRUE) { - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); return (false); } if (result->location == INVALID_OFFSET || @@ -607,12 +607,12 @@ TransactionIdIsInProgress(TransactionId xid) proc = (PROC *) MAKE_PTR(result->location); if (proc->xid == xid) { - SpinRelease(BindingLock); + SpinRelease(ShmemIndexLock); return (true); } } - SpinRelease(BindingLock); - elog(ERROR, "TransactionIdIsInProgress: BindingTable corrupted"); + SpinRelease(ShmemIndexLock); + elog(ERROR, "TransactionIdIsInProgress: ShmemIndex corrupted"); return (false); } diff --git a/src/backend/storage/ipc/spin.c b/src/backend/storage/ipc/spin.c index baa49fe25c..40735a8786 100644 --- a/src/backend/storage/ipc/spin.c +++ b/src/backend/storage/ipc/spin.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.13 1998/06/23 16:04:46 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/Attic/spin.c,v 1.14 1998/06/27 15:47:45 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -53,7 +53,7 @@ bool InitSpinLocks(int init, IPCKey key) { extern SPINLOCK ShmemLock; - extern SPINLOCK BindingLock; + extern SPINLOCK ShmemIndexLock; extern SPINLOCK BufMgrLock; extern SPINLOCK LockMgrLock; extern SPINLOCK ProcStructLock; @@ -66,7 +66,7 @@ InitSpinLocks(int init, IPCKey key) /* These six spinlocks have fixed location is shmem */ ShmemLock = (SPINLOCK) SHMEMLOCKID; - BindingLock = (SPINLOCK) BINDINGLOCKID; + ShmemIndexLock = (SPINLOCK) SHMEMINDEXLOCKID; BufMgrLock = (SPINLOCK) BUFMGRLOCKID; LockMgrLock = (SPINLOCK) LOCKMGRLOCKID; ProcStructLock = (SPINLOCK) PROCSTRUCTLOCKID; @@ -265,7 +265,7 @@ AttachSpinLocks(IPCKey key) * InitSpinLocks -- Spinlock bootstrapping * * We need several spinlocks for bootstrapping: - * BindingLock (for the shmem binding table) and + * ShmemIndexLock (for the shmem index table) and * ShmemLock (for the shmem allocator), BufMgrLock (for buffer * pool exclusive access), LockMgrLock (for the lock table), and * ProcStructLock (a spin lock for the shared process structure). @@ -277,7 +277,7 @@ bool InitSpinLocks(int init, IPCKey key) { extern SPINLOCK ShmemLock; - extern SPINLOCK BindingLock; + extern SPINLOCK ShmemIndexLock; extern SPINLOCK BufMgrLock; extern SPINLOCK LockMgrLock; extern SPINLOCK ProcStructLock; @@ -305,7 +305,7 @@ InitSpinLocks(int init, IPCKey key) /* These five (or six) spinlocks have fixed location is shmem */ ShmemLock = (SPINLOCK) SHMEMLOCKID; - BindingLock = (SPINLOCK) BINDINGLOCKID; + ShmemIndexLock = (SPINLOCK) SHMEMINDEXLOCKID; BufMgrLock = (SPINLOCK) BUFMGRLOCKID; LockMgrLock = (SPINLOCK) LOCKMGRLOCKID; ProcStructLock = (SPINLOCK) PROCSTRUCTLOCKID; diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c index 191ee71f87..97683e8582 100644 --- a/src/backend/storage/lmgr/lock.c +++ b/src/backend/storage/lmgr/lock.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.29 1998/06/27 04:53:37 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.30 1998/06/27 15:47:46 momjian Exp $ * * NOTES * Outside modules can create a lock table and acquire/release @@ -216,9 +216,9 @@ LockTypeInit(LOCKTAB *ltable, * LockTableInit -- initialize a lock table structure * * Notes: - * (a) a lock table has four separate entries in the binding + * (a) a lock table has four separate entries in the shmem index * table. This is because every shared hash table and spinlock - * has its name stored in the binding table at its creation. It + * has its name stored in the shmem index at its creation. It * is wasteful, in this case, but not much space is involved. * */ @@ -242,7 +242,7 @@ LockTableInit(char *tabName, return (INVALID_TABLEID); } - /* allocate a string for the binding table lookup */ + /* allocate a string for the shmem index table lookup */ shmemName = (char *) palloc((unsigned) (strlen(tabName) + 32)); if (!shmemName) { diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c index 559542ed8a..9be4f1bb96 100644 --- a/src/backend/storage/lmgr/proc.c +++ b/src/backend/storage/lmgr/proc.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.37 1998/06/27 04:53:39 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.38 1998/06/27 15:47:46 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -46,7 +46,7 @@ * This is so that we can support more backends. (system-wide semaphore * sets run out pretty fast.) -ay 4/95 * - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.37 1998/06/27 04:53:39 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.38 1998/06/27 15:47:46 momjian Exp $ */ #include #include @@ -184,7 +184,7 @@ InitProcess(IPCKey key) { /* - * have to allocate one. We can't use the normal binding table + * have to allocate one. We can't use the normal shmem index table * mechanism because the proc structure is stored by PID instead * of by a global name (need to look it up by PID when we cleanup * dead processes). @@ -261,7 +261,7 @@ InitProcess(IPCKey key) MemSet(MyProc->sLocks, 0, MAX_SPINS * sizeof(*MyProc->sLocks)); /* ------------------------- - * Install ourselves in the binding table. The name to + * Install ourselves in the shmem index table. The name to * use is determined by the OS-assigned process id. That * allows the cleanup process to find us after any untimely * exit. diff --git a/src/include/storage/ipc.h b/src/include/storage/ipc.h index c208122d8b..3691eac675 100644 --- a/src/include/storage/ipc.h +++ b/src/include/storage/ipc.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: ipc.h,v 1.28 1998/06/27 13:24:21 momjian Exp $ + * $Id: ipc.h,v 1.29 1998/06/27 15:47:47 momjian Exp $ * * NOTES * This file is very architecture-specific. This stuff should actually @@ -109,7 +109,7 @@ typedef enum _LockId_ LOCKLOCKID, OIDGENLOCKID, SHMEMLOCKID, - BINDINGLOCKID, + SHMEMINDEXLOCKID, LOCKMGRLOCKID, SINVALLOCKID, @@ -139,7 +139,7 @@ typedef struct slock typedef enum _LockId_ { SHMEMLOCKID, - BINDINGLOCKID, + SHMEMINDEXLOCKID, BUFMGRLOCKID, LOCKMGRLOCKID, SINVALLOCKID, diff --git a/src/include/storage/shmem.h b/src/include/storage/shmem.h index c73739df47..809b87cdb1 100644 --- a/src/include/storage/shmem.h +++ b/src/include/storage/shmem.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: shmem.h,v 1.12 1998/06/25 14:24:35 momjian Exp $ + * $Id: shmem.h,v 1.13 1998/06/27 15:47:48 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -49,7 +49,7 @@ extern SHMEM_OFFSET ShmemBase; extern SPINLOCK ShmemLock; -extern SPINLOCK BindingLock; +extern SPINLOCK ShmemIndexLock; /* shmemqueue.c */ typedef struct SHM_QUEUE @@ -59,7 +59,7 @@ typedef struct SHM_QUEUE } SHM_QUEUE; /* shmem.c */ -extern void ShmemBindingTableReset(void); +extern void ShmemIndexReset(void); extern void ShmemCreate(unsigned int key, unsigned int size); extern int InitShmem(unsigned int key, unsigned int size); extern long *ShmemAlloc(unsigned long size); @@ -77,21 +77,21 @@ extern bool TransactionIdIsInProgress(TransactionId xid); typedef int TableID; -/* size constants for the binding table */ +/* size constants for the shmem index table */ /* max size of data structure string name */ -#define BTABLE_KEYSIZE (50) - /* data in binding table hash bucket */ -#define BTABLE_DATASIZE (sizeof(BindingEnt) - BTABLE_KEYSIZE) - /* maximum size of the binding table */ -#define BTABLE_SIZE (100) +#define SHMEM_INDEX_KEYSIZE (50) + /* data in shmem index table hash bucket */ +#define SHMEM_INDEX_DATASIZE (sizeof(ShmemIndexEnt) - SHMEM_INDEX_KEYSIZE) + /* maximum size of the shmem index table */ +#define SHMEM_INDEX_SIZE (100) -/* this is a hash bucket in the binding table */ +/* this is a hash bucket in the shmem index table */ typedef struct { - char key[BTABLE_KEYSIZE]; /* string name */ + char key[SHMEM_INDEX_KEYSIZE]; /* string name */ unsigned long location; /* location in shared mem */ unsigned long size; /* numbytes allocated for the structure */ -} BindingEnt; +} ShmemIndexEnt; /* * prototypes for functions in shmqueue.c