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Split the shared-memory array of PGPROC pointers out of the sinval

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communication structure, and make it its own module with its own lock.
This should reduce contention at least a little, and it definitely makes
the code seem cleaner.  Per my recent proposal.
This commit is contained in:
Tom Lane
2005-05-19 21:35:48 +00:00
parent 6910032a56
commit ee3b71f6bc
30 changed files with 923 additions and 860 deletions
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4
src/backend/storage/buffer/buf_init.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.72 2005/03/04 20:21:06 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.73 2005/05/19 21:35:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -115,7 +115,7 @@ InitBufferPool(void)
buf->flags = 0;
buf->usage_count = 0;
buf->refcount = 0;
buf->wait_backend_id = 0;
buf->wait_backend_pid = 0;
SpinLockInit(&buf->buf_hdr_lock);