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Pgindent run for 8.0.
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@@ -48,7 +48,7 @@
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* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/backend/access/transam/slru.c,v 1.20 2004/08/29 04:12:23 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/slru.c,v 1.21 2004/08/29 05:06:40 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -79,7 +79,7 @@
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* segment and page numbers in SimpleLruTruncate (see PagePrecedes()).
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*
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* Note: this file currently assumes that segment file names will be four
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* hex digits. This sets a lower bound on the segment size (64K transactions
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* hex digits. This sets a lower bound on the segment size (64K transactions
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* for 32-bit TransactionIds).
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*/
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#define SLRU_PAGES_PER_SEGMENT 32
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@@ -96,9 +96,9 @@
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*/
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typedef struct SlruFlushData
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{
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int num_files; /* # files actually open */
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int fd[NUM_SLRU_BUFFERS]; /* their FD's */
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int segno[NUM_SLRU_BUFFERS]; /* their log seg#s */
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int num_files; /* # files actually open */
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int fd[NUM_SLRU_BUFFERS]; /* their FD's */
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int segno[NUM_SLRU_BUFFERS]; /* their log seg#s */
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} SlruFlushData;
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/*
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@@ -132,7 +132,7 @@ static int slru_errno;
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static bool SlruPhysicalReadPage(SlruCtl ctl, int pageno, int slotno);
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static bool SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno,
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SlruFlush fdata);
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SlruFlush fdata);
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static void SlruReportIOError(SlruCtl ctl, int pageno, TransactionId xid);
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static int SlruSelectLRUPage(SlruCtl ctl, int pageno);
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@@ -385,7 +385,7 @@ SimpleLruWritePage(SlruCtl ctl, int slotno, SlruFlush fdata)
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/* If we failed, and we're in a flush, better close the files */
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if (!ok && fdata)
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{
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int i;
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int i;
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for (i = 0; i < fdata->num_files; i++)
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close(fdata->fd[i]);
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@@ -511,7 +511,7 @@ SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno, SlruFlush fdata)
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*/
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if (fdata)
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{
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int i;
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int i;
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for (i = 0; i < fdata->num_files; i++)
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{
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@@ -527,16 +527,17 @@ SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno, SlruFlush fdata)
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{
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/*
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* If the file doesn't already exist, we should create it. It is
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* possible for this to need to happen when writing a page that's not
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* first in its segment; we assume the OS can cope with that.
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* (Note: it might seem that it'd be okay to create files only when
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* SimpleLruZeroPage is called for the first page of a segment.
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* However, if after a crash and restart the REDO logic elects to
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* replay the log from a checkpoint before the latest one, then it's
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* possible that we will get commands to set transaction status of
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* transactions that have already been truncated from the commit log.
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* Easiest way to deal with that is to accept references to
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* nonexistent files here and in SlruPhysicalReadPage.)
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* possible for this to need to happen when writing a page that's
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* not first in its segment; we assume the OS can cope with that.
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* (Note: it might seem that it'd be okay to create files only
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* when SimpleLruZeroPage is called for the first page of a
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* segment. However, if after a crash and restart the REDO logic
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* elects to replay the log from a checkpoint before the latest
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* one, then it's possible that we will get commands to set
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* transaction status of transactions that have already been
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* truncated from the commit log. Easiest way to deal with that is
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* to accept references to nonexistent files here and in
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* SlruPhysicalReadPage.)
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*/
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SlruFileName(ctl, path, segno);
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fd = BasicOpenFile(path, O_RDWR | PG_BINARY, S_IRUSR | S_IWUSR);
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@@ -648,36 +649,36 @@ SlruReportIOError(SlruCtl ctl, int pageno, TransactionId xid)
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ereport(ERROR,
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(errcode_for_file_access(),
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errmsg("could not access status of transaction %u", xid),
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errdetail("could not seek in file \"%s\" to offset %u: %m",
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path, offset)));
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errdetail("could not seek in file \"%s\" to offset %u: %m",
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path, offset)));
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break;
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case SLRU_READ_FAILED:
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ereport(ERROR,
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(errcode_for_file_access(),
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errmsg("could not access status of transaction %u", xid),
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errdetail("could not read from file \"%s\" at offset %u: %m",
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path, offset)));
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errdetail("could not read from file \"%s\" at offset %u: %m",
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path, offset)));
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break;
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case SLRU_WRITE_FAILED:
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ereport(ERROR,
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(errcode_for_file_access(),
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errmsg("could not access status of transaction %u", xid),
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errdetail("could not write to file \"%s\" at offset %u: %m",
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path, offset)));
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errdetail("could not write to file \"%s\" at offset %u: %m",
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path, offset)));
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break;
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case SLRU_FSYNC_FAILED:
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ereport(ERROR,
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(errcode_for_file_access(),
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errmsg("could not access status of transaction %u", xid),
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errdetail("could not fsync file \"%s\": %m",
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path)));
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errdetail("could not fsync file \"%s\": %m",
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path)));
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break;
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case SLRU_CLOSE_FAILED:
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ereport(ERROR,
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(errcode_for_file_access(),
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errmsg("could not access status of transaction %u", xid),
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errdetail("could not close file \"%s\": %m",
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path)));
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errdetail("could not close file \"%s\": %m",
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path)));
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break;
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default:
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/* can't get here, we trust */
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@@ -841,8 +842,8 @@ SimpleLruTruncate(SlruCtl ctl, int cutoffPage)
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/*
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* Scan shared memory and remove any pages preceding the cutoff page,
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* to ensure we won't rewrite them later. (Since this is normally
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* called in or just after a checkpoint, any dirty pages should
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* have been flushed already ... we're just being extra careful here.)
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* called in or just after a checkpoint, any dirty pages should have
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* been flushed already ... we're just being extra careful here.)
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*/
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LWLockAcquire(shared->ControlLock, LW_EXCLUSIVE);
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@@ -952,8 +953,11 @@ SlruScanDirectory(SlruCtl ctl, int cutoffPage, bool doDeletions)
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errno = 0;
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}
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#ifdef WIN32
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/* This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but
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not in released version */
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/*
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* This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but
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* not in released version
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*/
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if (GetLastError() == ERROR_NO_MORE_FILES)
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errno = 0;
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#endif
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