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Another round of cleanups for dynahash.c (maybe it's finally clean of

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portability issues).  Caller-visible data structures are now allocated
on MAXALIGN boundaries, allowing safe use of datatypes wider than 'long'.
Rejigger hash_create API so that caller specifies size of key and
total size of entry, not size of key and size of rest of entry.
This simplifies life considerably since each number is just a sizeof(),
and padding issues etc. are taken care of automatically.
This commit is contained in:
Tom Lane
2001-10-01 05:36:17 +00:00
parent f58179669a
commit 5999e78fc4
17 changed files with 524 additions and 682 deletions
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8
src/include/storage/lock.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: lock.h,v 1.55 2001/09/30 00:45:48 momjian Exp $
* $Id: lock.h,v 1.56 2001/10/01 05:36:17 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -169,9 +169,6 @@ typedef struct LOCK
int nGranted; /* total of granted[] array */
} LOCK;
#define SHMEM_LOCKTAB_KEYSIZE sizeof(LOCKTAG)
#define SHMEM_LOCKTAB_DATASIZE (sizeof(LOCK) - SHMEM_LOCKTAB_KEYSIZE)
#define LOCK_LOCKMETHOD(lock) ((lock).tag.lockmethod)
@@ -222,9 +219,6 @@ typedef struct HOLDER
SHM_QUEUE procLink; /* list link for process's list of holders */
} HOLDER;
#define SHMEM_HOLDERTAB_KEYSIZE sizeof(HOLDERTAG)
#define SHMEM_HOLDERTAB_DATASIZE (sizeof(HOLDER) - SHMEM_HOLDERTAB_KEYSIZE)
#define HOLDER_LOCKMETHOD(holder) \
(((LOCK *) MAKE_PTR((holder).tag.lock))->tag.lockmethod)