2001-05-23 15:26:42 +02:00
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/*
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* PROGRAM: JRD Access Method
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* MODULE: cch_proto.h
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* DESCRIPTION: Prototype header file for cch.c
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef JRD_CCH_PROTO_H
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#define JRD_CCH_PROTO_H
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2003-10-03 03:34:14 +02:00
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void CCH_do_log_shutdown(TDBB, SSHORT);
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2003-10-20 12:53:52 +02:00
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void CCH_shutdown_database(dbb*);
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2001-05-23 15:26:42 +02:00
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2003-10-20 12:53:52 +02:00
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USHORT CCH_checksum(bdb*);
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2003-10-03 03:34:14 +02:00
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int CCH_down_grade_dbb(void *ast_argument);
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2001-05-23 15:26:42 +02:00
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BOOLEAN CCH_exclusive(TDBB, USHORT, SSHORT);
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BOOLEAN CCH_exclusive_attachment(TDBB, USHORT, SSHORT);
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void CCH_expand(TDBB, ULONG);
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2003-10-20 12:53:52 +02:00
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pag* CCH_fake(TDBB, win*, SSHORT);
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pag* CCH_fetch(TDBB, win*, USHORT, SSHORT, SSHORT, SSHORT, BOOLEAN);
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SSHORT CCH_fetch_lock(TDBB, win*, USHORT, SSHORT, SSHORT, SSHORT);
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void CCH_fetch_page(TDBB, win*, SSHORT, BOOLEAN);
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2001-05-23 15:26:42 +02:00
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void CCH_fini(TDBB);
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void CCH_flush(TDBB, USHORT, SLONG);
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BOOLEAN CCH_free_page(TDBB);
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2003-10-20 12:53:52 +02:00
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SLONG CCH_get_incarnation(win*);
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pag* CCH_handoff(TDBB, win*, SLONG, SSHORT, SSHORT, SSHORT, SSHORT);
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2001-05-23 15:26:42 +02:00
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void CCH_init(TDBB, ULONG);
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2003-10-20 12:53:52 +02:00
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void CCH_journal_page(TDBB, win*);
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void CCH_journal_record(TDBB, win*, UCHAR*, USHORT, UCHAR*, USHORT);
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void CCH_mark(TDBB, win*, USHORT);
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void CCH_mark_must_write(TDBB, win*);
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void CCH_must_write(win*);
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lck* CCH_page_lock(TDBB);
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void CCH_precedence(TDBB, win*, SLONG);
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void CCH_prefetch(tdbb*, SLONG*, SSHORT);
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2001-05-23 15:26:42 +02:00
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BOOLEAN CCH_prefetch_pages(TDBB);
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2003-10-20 12:53:52 +02:00
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void CCH_recover_shadow(TDBB, sbm*);
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void CCH_release(TDBB, win*, BOOLEAN);
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void CCH_release_and_free(win*);
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2001-05-23 15:26:42 +02:00
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void CCH_release_exclusive(TDBB);
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void CCH_release_journal(TDBB, SLONG);
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2003-10-20 12:53:52 +02:00
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BOOLEAN CCH_rollover_to_shadow(dbb*, fil*, BOOLEAN);
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2001-05-23 15:26:42 +02:00
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void CCH_unwind(TDBB, BOOLEAN);
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2003-10-20 12:53:52 +02:00
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BOOLEAN CCH_validate(win*);
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2003-09-08 22:23:46 +02:00
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void CCH_flush_database(TDBB tdbb);
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2003-10-20 12:53:52 +02:00
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BOOLEAN CCH_write_all_shadows(TDBB, sdw*, bdb*,
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2003-04-10 08:49:16 +02:00
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ISC_STATUS *, USHORT, BOOLEAN);
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2001-05-23 15:26:42 +02:00
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/* macros for dealing with cache pages */
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#define CCH_FETCH(tdbb, window, lock, type) CCH_fetch (tdbb, window, lock, type, 1, 1, 1)
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#define CCH_FETCH_NO_SHADOW(tdbb, window, lock, type) CCH_fetch (tdbb, window, lock, type, 1, 1, 0)
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#define CCH_FETCH_NO_CHECKSUM(tdbb, window, lock, type) CCH_fetch (tdbb, window, lock, type, 0, 1, 1)
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#define CCH_FETCH_TIMEOUT(tdbb, window, lock, type, latch_wait) CCH_fetch (tdbb, window, lock, type, 0, latch_wait, 1)
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#define CCH_FETCH_LOCK(tdbb, window, lock, wait, latch_wait, type) CCH_fetch_lock (tdbb, window, lock, wait, latch_wait, type)
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#define CCH_FETCH_PAGE(tdbb, window, checksum, read_shadow) CCH_fetch_page (tdbb, window, checksum, read_shadow)
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#define CCH_RELEASE(tdbb, window) CCH_release (tdbb, window, FALSE)
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#define CCH_RELEASE_TAIL(tdbb, window) CCH_release (tdbb, window, TRUE)
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#define CCH_MARK(tdbb, window) CCH_mark (tdbb, window, 0)
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#define CCH_MARK_SYSTEM(tdbb, window) CCH_mark (tdbb, window, 1)
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#define CCH_HANDOFF(tdbb, window, page, lock, type) CCH_handoff (tdbb, window, page, lock, type, 1, 0)
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#define CCH_HANDOFF_TIMEOUT(tdbb, window, page, lock, type, latch_wait) CCH_handoff (tdbb, window, page, lock, type, latch_wait, 0)
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#define CCH_HANDOFF_TAIL(tdbb, window, page, lock, type) CCH_handoff (tdbb, window, page, lock, type, 1, 1)
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#define CCH_MARK_MUST_WRITE(tdbb, window) CCH_mark_must_write (tdbb, window)
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#define CCH_PREFETCH(tdbb, pages, count) CCH_prefetch (tdbb, pages, count)
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/* Flush flags */
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#define FLUSH_ALL 1 /* flush all dirty buffers in cache */
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#define FLUSH_RLSE 2 /* release page locks after flush */
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#define FLUSH_TRAN 4 /* flush transaction dirty buffers from dirty btree */
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#define FLUSH_SWEEP 8 /* flush dirty buffers from garbage collection */
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#define FLUSH_SYSTEM 16 /* flush system transaction only from dirty btree */
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#define FLUSH_FINI (FLUSH_ALL | FLUSH_RLSE)
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#endif /* JRD_CCH_PROTO_H */
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