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体验新版 GitCode,发现更多精彩内容 >>
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1f75cdd5
编写于
6月 19, 2000
作者:
T
Tom Lane
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Ensure that kernel error code is included in smgr-level error reports.
Tweak mdcreate a little bit so that it returns the right errno.
上级
81b30f2c
变更
2
显示空白变更内容
内联
并排
Showing
2 changed file
with
36 addition
and
26 deletion
+36
-26
src/backend/storage/smgr/md.c
src/backend/storage/smgr/md.c
+18
-8
src/backend/storage/smgr/smgr.c
src/backend/storage/smgr/smgr.c
+18
-18
未找到文件。
src/backend/storage/smgr/md.c
浏览文件 @
1f75cdd5
...
...
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.7
0 2000/06/02 15:57:26 momjian
Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/md.c,v 1.7
1 2000/06/19 23:37:08 tgl
Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -130,34 +130,41 @@ mdcreate(Relation reln)
char
*
path
;
Assert
(
reln
->
rd_unlinked
&&
reln
->
rd_fd
<
0
);
path
=
relpath
(
RelationGetPhysicalRelationName
(
reln
));
fd
=
FileNameOpenFile
(
path
,
O_RDWR
|
O_CREAT
|
O_EXCL
|
PG_BINARY
,
0600
);
/*
* During bootstrap processing, we skip that check, because pg_time,
* pg_variable, and pg_log get created before their .bki file entries
* are processed.
*
* For cataloged relations,pg_class is guaranteed to have an unique
* For cataloged relations, pg_class is guaranteed to have a unique
* record with the same relname by the unique index. So we are able to
* reuse existent files for new catloged relations. Currently we reuse
* reuse existent files for new cat
a
loged relations. Currently we reuse
* them in the following cases. 1. they are empty. 2. they are used
* for Index relations and their size == BLCKSZ * 2.
*
* During bootstrap processing, we skip that check, because pg_time,
* pg_variable, and pg_log get created before their .bki file entries
* are processed.
*/
if
(
fd
<
0
)
{
int
save_errno
=
errno
;
if
(
!
IsBootstrapProcessingMode
()
&&
reln
->
rd_rel
->
relkind
==
RELKIND_UNCATALOGED
)
return
-
1
;
fd
=
FileNameOpenFile
(
path
,
O_RDWR
|
PG_BINARY
,
0600
);
if
(
fd
<
0
)
{
/* be sure to return the error reported by create, not open */
errno
=
save_errno
;
return
-
1
;
}
if
(
!
IsBootstrapProcessingMode
())
{
bool
reuse
=
false
;
int
len
=
FileSeek
(
fd
,
0L
,
SEEK_END
);
long
len
=
FileSeek
(
fd
,
0L
,
SEEK_END
);
if
(
len
==
0
)
reuse
=
true
;
...
...
@@ -167,9 +174,12 @@ mdcreate(Relation reln)
if
(
!
reuse
)
{
FileClose
(
fd
);
/* be sure to return the error reported by create */
errno
=
save_errno
;
return
-
1
;
}
}
errno
=
0
;
}
reln
->
rd_unlinked
=
false
;
...
...
src/backend/storage/smgr/smgr.c
浏览文件 @
1f75cdd5
...
...
@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.3
6 2000/06/05 07:28:47
tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/smgr/smgr.c,v 1.3
7 2000/06/19 23:37:08
tgl Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -105,7 +105,7 @@ smgrinit()
if
(
smgrsw
[
i
].
smgr_init
)
{
if
((
*
(
smgrsw
[
i
].
smgr_init
))
()
==
SM_FAIL
)
elog
(
FATAL
,
"initialization failed on %s"
,
elog
(
FATAL
,
"initialization failed on %s
: %m
"
,
DatumGetCString
(
DirectFunctionCall1
(
smgrout
,
Int16GetDatum
(
i
))));
}
...
...
@@ -127,7 +127,7 @@ smgrshutdown(int dummy)
if
(
smgrsw
[
i
].
smgr_shutdown
)
{
if
((
*
(
smgrsw
[
i
].
smgr_shutdown
))
()
==
SM_FAIL
)
elog
(
FATAL
,
"shutdown failed on %s"
,
elog
(
FATAL
,
"shutdown failed on %s
: %m
"
,
DatumGetCString
(
DirectFunctionCall1
(
smgrout
,
Int16GetDatum
(
i
))));
}
...
...
@@ -146,7 +146,7 @@ smgrcreate(int16 which, Relation reln)
int
fd
;
if
((
fd
=
(
*
(
smgrsw
[
which
].
smgr_create
))
(
reln
))
<
0
)
elog
(
ERROR
,
"cannot create %s"
,
RelationGetRelationName
(
reln
));
elog
(
ERROR
,
"cannot create %s
: %m
"
,
RelationGetRelationName
(
reln
));
return
fd
;
}
...
...
@@ -162,7 +162,7 @@ smgrunlink(int16 which, Relation reln)
int
status
;
if
((
status
=
(
*
(
smgrsw
[
which
].
smgr_unlink
))
(
reln
))
==
SM_FAIL
)
elog
(
ERROR
,
"cannot unlink %s"
,
RelationGetRelationName
(
reln
));
elog
(
ERROR
,
"cannot unlink %s
: %m
"
,
RelationGetRelationName
(
reln
));
return
status
;
}
...
...
@@ -181,7 +181,7 @@ smgrextend(int16 which, Relation reln, char *buffer)
status
=
(
*
(
smgrsw
[
which
].
smgr_extend
))
(
reln
,
buffer
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"
%s: cannot extend.
Check free disk space."
,
elog
(
ERROR
,
"
cannot extend %s: %m.
\n\t
Check free disk space."
,
RelationGetRelationName
(
reln
));
return
status
;
...
...
@@ -200,7 +200,7 @@ smgropen(int16 which, Relation reln)
if
((
fd
=
(
*
(
smgrsw
[
which
].
smgr_open
))
(
reln
))
<
0
&&
!
reln
->
rd_unlinked
)
elog
(
ERROR
,
"cannot open %s"
,
RelationGetRelationName
(
reln
));
elog
(
ERROR
,
"cannot open %s
: %m
"
,
RelationGetRelationName
(
reln
));
return
fd
;
}
...
...
@@ -220,7 +220,7 @@ int
smgrclose
(
int16
which
,
Relation
reln
)
{
if
((
*
(
smgrsw
[
which
].
smgr_close
))
(
reln
)
==
SM_FAIL
)
elog
(
ERROR
,
"cannot close %s"
,
RelationGetRelationName
(
reln
));
elog
(
ERROR
,
"cannot close %s
: %m
"
,
RelationGetRelationName
(
reln
));
return
SM_SUCCESS
;
}
...
...
@@ -243,7 +243,7 @@ smgrread(int16 which, Relation reln, BlockNumber blocknum, char *buffer)
status
=
(
*
(
smgrsw
[
which
].
smgr_read
))
(
reln
,
blocknum
,
buffer
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot read block %d of %s"
,
elog
(
ERROR
,
"cannot read block %d of %s
: %m
"
,
blocknum
,
RelationGetRelationName
(
reln
));
return
status
;
...
...
@@ -265,7 +265,7 @@ smgrwrite(int16 which, Relation reln, BlockNumber blocknum, char *buffer)
status
=
(
*
(
smgrsw
[
which
].
smgr_write
))
(
reln
,
blocknum
,
buffer
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot write block %d of %s"
,
elog
(
ERROR
,
"cannot write block %d of %s
: %m
"
,
blocknum
,
RelationGetRelationName
(
reln
));
return
status
;
...
...
@@ -282,7 +282,7 @@ smgrflush(int16 which, Relation reln, BlockNumber blocknum, char *buffer)
status
=
(
*
(
smgrsw
[
which
].
smgr_flush
))
(
reln
,
blocknum
,
buffer
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot flush block %d of %s to stable store"
,
elog
(
ERROR
,
"cannot flush block %d of %s to stable store
: %m
"
,
blocknum
,
RelationGetRelationName
(
reln
));
return
status
;
...
...
@@ -323,7 +323,7 @@ smgrblindwrt(int16 which,
blkno
,
buffer
,
dofsync
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot write block %d of %s [%s] blind"
,
elog
(
ERROR
,
"cannot write block %d of %s [%s] blind
: %m
"
,
blkno
,
relstr
,
dbstr
);
pfree
(
dbstr
);
...
...
@@ -352,7 +352,7 @@ smgrmarkdirty(int16 which,
status
=
(
*
(
smgrsw
[
which
].
smgr_markdirty
))
(
reln
,
blkno
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot mark block %d of %s"
,
elog
(
ERROR
,
"cannot mark block %d of %s
: %m
"
,
blkno
,
RelationGetRelationName
(
reln
));
return
status
;
...
...
@@ -384,7 +384,7 @@ smgrblindmarkdirty(int16 which,
blkno
);
if
(
status
==
SM_FAIL
)
elog
(
ERROR
,
"cannot mark block %d of %s [%s] blind"
,
elog
(
ERROR
,
"cannot mark block %d of %s [%s] blind
: %m
"
,
blkno
,
relstr
,
dbstr
);
pfree
(
dbstr
);
...
...
@@ -406,7 +406,7 @@ smgrnblocks(int16 which, Relation reln)
int
nblocks
;
if
((
nblocks
=
(
*
(
smgrsw
[
which
].
smgr_nblocks
))
(
reln
))
<
0
)
elog
(
ERROR
,
"cannot count blocks for %s"
,
elog
(
ERROR
,
"cannot count blocks for %s
: %m
"
,
RelationGetRelationName
(
reln
));
return
nblocks
;
...
...
@@ -428,7 +428,7 @@ smgrtruncate(int16 which, Relation reln, int nblocks)
if
(
smgrsw
[
which
].
smgr_truncate
)
{
if
((
newblks
=
(
*
(
smgrsw
[
which
].
smgr_truncate
))
(
reln
,
nblocks
))
<
0
)
elog
(
ERROR
,
"cannot truncate %s to %d blocks"
,
elog
(
ERROR
,
"cannot truncate %s to %d blocks
: %m
"
,
RelationGetRelationName
(
reln
),
nblocks
);
}
...
...
@@ -449,7 +449,7 @@ smgrcommit()
if
(
smgrsw
[
i
].
smgr_commit
)
{
if
((
*
(
smgrsw
[
i
].
smgr_commit
))
()
==
SM_FAIL
)
elog
(
FATAL
,
"transaction commit failed on %s"
,
elog
(
FATAL
,
"transaction commit failed on %s
: %m
"
,
DatumGetCString
(
DirectFunctionCall1
(
smgrout
,
Int16GetDatum
(
i
))));
}
...
...
@@ -468,7 +468,7 @@ smgrabort()
if
(
smgrsw
[
i
].
smgr_abort
)
{
if
((
*
(
smgrsw
[
i
].
smgr_abort
))
()
==
SM_FAIL
)
elog
(
FATAL
,
"transaction abort failed on %s"
,
elog
(
FATAL
,
"transaction abort failed on %s
: %m
"
,
DatumGetCString
(
DirectFunctionCall1
(
smgrout
,
Int16GetDatum
(
i
))));
}
...
...
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