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nexedi
MariaDB
Commits
f476f83b
Commit
f476f83b
authored
Feb 26, 2010
by
Sergey Vojtovich
Browse files
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Browse Files
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Plain Diff
Merge innodb-5.1-ss6765 to 5.1-bugteam.
parents
80303d7e
27384521
Changes
8
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Showing
8 changed files
with
256 additions
and
63 deletions
+256
-63
mysql-test/r/innodb-autoinc.result
mysql-test/r/innodb-autoinc.result
+83
-0
mysql-test/t/innodb-autoinc.test
mysql-test/t/innodb-autoinc.test
+31
-0
storage/innobase/buf/buf0buf.c
storage/innobase/buf/buf0buf.c
+27
-1
storage/innobase/buf/buf0rea.c
storage/innobase/buf/buf0rea.c
+6
-9
storage/innobase/handler/ha_innodb.cc
storage/innobase/handler/ha_innodb.cc
+38
-16
storage/innobase/include/buf0rea.h
storage/innobase/include/buf0rea.h
+2
-4
storage/innobase/lock/lock0lock.c
storage/innobase/lock/lock0lock.c
+60
-32
storage/innobase/os/os0file.c
storage/innobase/os/os0file.c
+9
-1
No files found.
mysql-test/r/innodb-autoinc.result
View file @
f476f83b
...
...
@@ -1161,3 +1161,86 @@ t1 CREATE TABLE `t1` (
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (-685113344), (1), (NULL), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (-685113344), (2), (NULL), (NULL);
SELECT * FROM t1;
c1
-685113344
2
3
4
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL), (2), (-685113344), (NULL);
INSERT INTO t1 VALUES (4), (5), (6), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
4
5
6
7
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL), (2), (-685113344), (5);
SELECT * FROM t1;
c1
-685113344
1
2
5
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1), (2), (-685113344), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
DROP TABLE t1;
mysql-test/t/innodb-autoinc.test
View file @
f476f83b
...
...
@@ -631,3 +631,34 @@ REPLACE INTO t1 VALUES (-1);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
##
# 49497: Error 1467 (ER_AUTOINC_READ_FAILED) on inserting a negative value
#
DROP
TABLE
IF
EXISTS
t1
;
CREATE
TABLE
t1
(
c1
INTEGER
AUTO_INCREMENT
,
PRIMARY
KEY
(
c1
))
ENGINE
=
InnoDB
;
INSERT
INTO
t1
VALUES
(
-
685113344
),
(
1
),
(
NULL
),
(
NULL
);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
CREATE
TABLE
t1
(
c1
INTEGER
AUTO_INCREMENT
,
PRIMARY
KEY
(
c1
))
ENGINE
=
InnoDB
;
INSERT
INTO
t1
VALUES
(
-
685113344
),
(
2
),
(
NULL
),
(
NULL
);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
CREATE
TABLE
t1
(
c1
INTEGER
AUTO_INCREMENT
,
PRIMARY
KEY
(
c1
))
ENGINE
=
InnoDB
;
INSERT
INTO
t1
VALUES
(
NULL
),
(
2
),
(
-
685113344
),
(
NULL
);
INSERT
INTO
t1
VALUES
(
4
),
(
5
),
(
6
),
(
NULL
);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
CREATE
TABLE
t1
(
c1
INTEGER
AUTO_INCREMENT
,
PRIMARY
KEY
(
c1
))
ENGINE
=
InnoDB
;
INSERT
INTO
t1
VALUES
(
NULL
),
(
2
),
(
-
685113344
),
(
5
);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
CREATE
TABLE
t1
(
c1
INTEGER
AUTO_INCREMENT
,
PRIMARY
KEY
(
c1
))
ENGINE
=
InnoDB
;
INSERT
INTO
t1
VALUES
(
1
),
(
2
),
(
-
685113344
),
(
NULL
);
SELECT
*
FROM
t1
;
SHOW
CREATE
TABLE
t1
;
DROP
TABLE
t1
;
storage/innobase/buf/buf0buf.c
View file @
f476f83b
...
...
@@ -224,6 +224,9 @@ in the free list to the frames.
/* Value in microseconds */
static
const
int
WAIT_FOR_READ
=
20000
;
/* Number of attemtps made to read in a page in the buffer pool */
static
const
ulint
BUF_PAGE_READ_MAX_RETRIES
=
100
;
buf_pool_t
*
buf_pool
=
NULL
;
/* The buffer buf_pool of the database */
#ifdef UNIV_DEBUG
...
...
@@ -1160,6 +1163,7 @@ buf_page_get_gen(
ulint
fix_type
;
ibool
success
;
ibool
must_read
;
ulint
retries
=
0
;
ut_ad
(
mtr
);
ut_ad
((
rw_latch
==
RW_S_LATCH
)
...
...
@@ -1200,7 +1204,29 @@ buf_page_get_gen(
return
(
NULL
);
}
buf_read_page
(
space
,
offset
);
if
(
buf_read_page
(
space
,
offset
))
{
retries
=
0
;
}
else
if
(
retries
<
BUF_PAGE_READ_MAX_RETRIES
)
{
++
retries
;
}
else
{
fprintf
(
stderr
,
"InnoDB: Error: Unable"
" to read tablespace %lu page no"
" %lu into the buffer pool after"
" %lu attempts
\n
"
"InnoDB: The most probable cause"
" of this error may be that the"
" table has been corrupted.
\n
"
"InnoDB: You can try to fix this"
" problem by using"
" innodb_force_recovery.
\n
"
"InnoDB: Please see reference manual"
" for more details.
\n
"
"InnoDB: Aborting...
\n
"
,
space
,
offset
,
BUF_PAGE_READ_MAX_RETRIES
);
ut_error
;
}
#ifdef UNIV_DEBUG
buf_dbg_counter
++
;
...
...
storage/innobase/buf/buf0rea.c
View file @
f476f83b
...
...
@@ -299,30 +299,27 @@ buffer buf_pool if it is not already there. Sets the io_fix flag and sets
an exclusive lock on the buffer frame. The flag is cleared and the x-lock
released by the i/o-handler thread. Does a random read-ahead if it seems
sensible. */
ulint
ibool
buf_read_page
(
/*==========*/
/* out: number of page read requests issued: this can
be > 1 if read-ahead occurred */
/* out: TRUE if success, FALSE otherwise */
ulint
space
,
/* in: space id */
ulint
offset
)
/* in: page number */
{
ib_longlong
tablespace_version
;
ulint
count
;
ulint
count2
;
ulint
err
;
tablespace_version
=
fil_space_get_version
(
space
);
count
=
buf_read_ahead_random
(
space
,
offset
);
buf_read_ahead_random
(
space
,
offset
);
/* We do the i/o in the synchronous aio mode to save thread
switches: hence TRUE */
count
2
=
buf_read_page_low
(
&
err
,
TRUE
,
BUF_READ_ANY_PAGE
,
space
,
count
=
buf_read_page_low
(
&
err
,
TRUE
,
BUF_READ_ANY_PAGE
,
space
,
tablespace_version
,
offset
);
srv_buf_pool_reads
+=
count
2
;
srv_buf_pool_reads
+=
count
;
if
(
err
==
DB_TABLESPACE_DELETED
)
{
ut_print_timestamp
(
stderr
);
fprintf
(
stderr
,
...
...
@@ -336,7 +333,7 @@ buf_read_page(
/* Flush pages from the end of the LRU list if necessary */
buf_flush_free_margin
();
return
(
count
+
count2
);
return
(
count
>
0
);
}
/************************************************************************
...
...
storage/innobase/handler/ha_innodb.cc
View file @
f476f83b
...
...
@@ -2652,9 +2652,9 @@ ha_innobase::innobase_initialize_autoinc()
auto_inc
=
innobase_get_int_col_max_value
(
field
);
}
else
{
/* We have no idea what's been passed in to us as the
autoinc column. We set it to the
MAX_INT of our table
autoinc typ
e. */
auto_inc
=
0
xFFFFFFFFFFFFFFFFULL
;
autoinc column. We set it to the
0, effectively disabling
updates to the tabl
e. */
auto_inc
=
0
;
ut_print_timestamp
(
stderr
);
fprintf
(
stderr
,
" InnoDB: Unable to determine the AUTOINC "
...
...
@@ -2663,7 +2663,7 @@ ha_innobase::innobase_initialize_autoinc()
if
(
srv_force_recovery
>=
SRV_FORCE_NO_IBUF_MERGE
)
{
/* If the recovery level is set so high that writes
are disabled we force the AUTOINC counter to
the MAX
are disabled we force the AUTOINC counter to
0
value effectively disabling writes to the table.
Secondly, we avoid reading the table in case the read
results in failure due to a corrupted table/index.
...
...
@@ -2672,7 +2672,10 @@ ha_innobase::innobase_initialize_autoinc()
tables can be dumped with minimal hassle. If an error
were returned in this case, the first attempt to read
the table would fail and subsequent SELECTs would succeed. */
auto_inc
=
0
;
}
else
if
(
field
==
NULL
)
{
/* This is a far more serious error, best to avoid
opening the table and return failure. */
my_error
(
ER_AUTOINC_READ_FAILED
,
MYF
(
0
));
}
else
{
dict_index_t
*
index
;
...
...
@@ -2701,7 +2704,7 @@ ha_innobase::innobase_initialize_autoinc()
"InnoDB: Unable to find the AUTOINC column "
"%s in the InnoDB table %s.
\n
"
"InnoDB: We set the next AUTOINC column "
"value to
the maximum possible value
,
\n
"
"value to
0
,
\n
"
"InnoDB: in effect disabling the AUTOINC "
"next value generation.
\n
"
"InnoDB: You can either set the next "
...
...
@@ -2710,7 +2713,13 @@ ha_innobase::innobase_initialize_autoinc()
"recreating the table.
\n
"
,
col_name
,
index
->
table
->
name
);
my_error
(
ER_AUTOINC_READ_FAILED
,
MYF
(
0
));
/* This will disable the AUTOINC generation. */
auto_inc
=
0
;
/* We want the open to succeed, so that the user can
take corrective action. ie. reads should succeed but
updates should fail. */
err
=
DB_SUCCESS
;
break
;
default:
/* row_search_max_autoinc() should only return
...
...
@@ -3968,11 +3977,17 @@ ha_innobase::write_row(
prebuilt
->
autoinc_error
=
DB_SUCCESS
;
if
((
error
=
update_auto_increment
()))
{
/* We don't want to mask autoinc overflow errors. */
if
(
prebuilt
->
autoinc_error
!=
DB_SUCCESS
)
{
error
=
(
int
)
prebuilt
->
autoinc_error
;
/* Handle the case where the AUTOINC sub-system
failed during initialization. */
if
(
prebuilt
->
autoinc_error
==
DB_UNSUPPORTED
)
{
error_result
=
ER_AUTOINC_READ_FAILED
;
/* Set the error message to report too. */
my_error
(
ER_AUTOINC_READ_FAILED
,
MYF
(
0
));
goto
func_exit
;
}
else
if
(
prebuilt
->
autoinc_error
!=
DB_SUCCESS
)
{
error
=
(
int
)
prebuilt
->
autoinc_error
;
goto
report_error
;
}
...
...
@@ -7883,7 +7898,10 @@ ha_innobase::innobase_get_autoinc(
*
value
=
dict_table_autoinc_read
(
prebuilt
->
table
);
/* It should have been initialized during open. */
ut_a
(
*
value
!=
0
);
if
(
*
value
==
0
)
{
prebuilt
->
autoinc_error
=
DB_UNSUPPORTED
;
dict_table_autoinc_unlock
(
prebuilt
->
table
);
}
}
return
(
ulong
(
prebuilt
->
autoinc_error
));
...
...
@@ -7963,6 +7981,11 @@ ha_innobase::get_auto_increment(
invoking this method. So we are not sure if it's guaranteed to
be 0 or not. */
/* We need the upper limit of the col type to check for
whether we update the table autoinc counter or not. */
ulonglong
col_max_value
=
innobase_get_int_col_max_value
(
table
->
next_number_field
);
/* Called for the first time ? */
if
(
trx
->
n_autoinc_rows
==
0
)
{
...
...
@@ -7979,6 +8002,11 @@ ha_innobase::get_auto_increment(
/* Not in the middle of a mult-row INSERT. */
}
else
if
(
prebuilt
->
autoinc_last_value
==
0
)
{
set_if_bigger
(
*
first_value
,
autoinc
);
/* Check for -ve values. */
}
else
if
(
*
first_value
>
col_max_value
&&
trx
->
n_autoinc_rows
>
0
)
{
/* Set to next logical value. */
ut_a
(
autoinc
>
trx
->
n_autoinc_rows
);
*
first_value
=
(
autoinc
-
trx
->
n_autoinc_rows
)
-
1
;
}
*
nb_reserved_values
=
trx
->
n_autoinc_rows
;
...
...
@@ -7989,12 +8017,6 @@ ha_innobase::get_auto_increment(
ulonglong
need
;
ulonglong
current
;
ulonglong
next_value
;
ulonglong
col_max_value
;
/* We need the upper limit of the col type to check for
whether we update the table autoinc counter or not. */
col_max_value
=
innobase_get_int_col_max_value
(
table
->
next_number_field
);
current
=
*
first_value
>
col_max_value
?
autoinc
:
*
first_value
;
need
=
*
nb_reserved_values
*
increment
;
...
...
storage/innobase/include/buf0rea.h
View file @
f476f83b
...
...
@@ -18,12 +18,10 @@ buffer buf_pool if it is not already there. Sets the io_fix flag and sets
an exclusive lock on the buffer frame. The flag is cleared and the x-lock
released by the i/o-handler thread. Does a random read-ahead if it seems
sensible. */
ulint
ibool
buf_read_page
(
/*==========*/
/* out: number of page read requests issued: this can
be > 1 if read-ahead occurred */
/* out: TRUE if success, FALSE otherwise */
ulint
space
,
/* in: space id */
ulint
offset
);
/* in: page number */
/************************************************************************
...
...
storage/innobase/lock/lock0lock.c
View file @
f476f83b
...
...
@@ -306,6 +306,7 @@ FILE* lock_latest_err_file;
/* Flags for recursive deadlock search */
#define LOCK_VICTIM_IS_START 1
#define LOCK_VICTIM_IS_OTHER 2
#define LOCK_EXCEED_MAX_DEPTH 3
/************************************************************************
Checks if a lock request results in a deadlock. */
...
...
@@ -332,16 +333,18 @@ lock_deadlock_recursive(
was found and we chose some other trx as a
victim: we must do the search again in this
last case because there may be another
deadlock! */
deadlock!
LOCK_EXCEED_MAX_DEPTH if the lock search
exceeds max steps and/or max depth. */
trx_t
*
start
,
/* in: recursion starting point */
trx_t
*
trx
,
/* in: a transaction waiting for a lock */
lock_t
*
wait_lock
,
/* in: the lock trx is waiting to be granted */
ulint
*
cost
,
/* in/out: number of calculation steps thus
far: if this exceeds LOCK_MAX_N_STEPS_...
we return LOCK_
VICTIM_IS_START
*/
we return LOCK_
EXCEED_MAX_DEPTH
*/
ulint
depth
);
/* in: recursion depth: if this exceeds
LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we
return LOCK_
VICTIM_IS_START
*/
return LOCK_
EXCEED_MAX_DEPTH
*/
/*************************************************************************
Gets the nth bit of a record lock. */
...
...
@@ -3084,8 +3087,6 @@ lock_deadlock_occurs(
lock_t
*
lock
,
/* in: lock the transaction is requesting */
trx_t
*
trx
)
/* in: transaction */
{
dict_table_t
*
table
;
dict_index_t
*
index
;
trx_t
*
mark_trx
;
ulint
ret
;
ulint
cost
=
0
;
...
...
@@ -3107,31 +3108,50 @@ lock_deadlock_occurs(
ret
=
lock_deadlock_recursive
(
trx
,
trx
,
lock
,
&
cost
,
0
);
if
(
ret
==
LOCK_VICTIM_IS_OTHER
)
{
switch
(
ret
)
{
case
LOCK_VICTIM_IS_OTHER
:
/* We chose some other trx as a victim: retry if there still
is a deadlock */
goto
retry
;
}
if
(
ret
==
LOCK_VICTIM_IS_START
)
{
if
(
lock_get_type
(
lock
)
&
LOCK_TABLE
)
{
table
=
lock
->
un_member
.
tab_lock
.
table
;
index
=
NULL
;
case
LOCK_EXCEED_MAX_DEPTH
:
/* If the lock search exceeds the max step
or the max depth, the current trx will be
the victim. Print its information. */
rewind
(
lock_latest_err_file
);
ut_print_timestamp
(
lock_latest_err_file
);
fputs
(
"TOO DEEP OR LONG SEARCH IN THE LOCK TABLE"
" WAITS-FOR GRAPH, WE WILL ROLL BACK"
" FOLLOWING TRANSACTION
\n
"
,
lock_latest_err_file
);
fputs
(
"
\n
*** TRANSACTION:
\n
"
,
lock_latest_err_file
);
trx_print
(
lock_latest_err_file
,
trx
,
3000
);
fputs
(
"*** WAITING FOR THIS LOCK TO BE GRANTED:
\n
"
,
lock_latest_err_file
);
if
(
lock_get_type
(
lock
)
==
LOCK_REC
)
{
lock_rec_print
(
lock_latest_err_file
,
lock
);
}
else
{
index
=
lock
->
index
;
table
=
index
->
table
;
lock_table_print
(
lock_latest_err_file
,
lock
);
}
break
;
lock_deadlock_found
=
TRUE
;
case
LOCK_VICTIM_IS_START
:
fputs
(
"*** WE ROLL BACK TRANSACTION (2)
\n
"
,
lock_latest_err_file
);
break
;
return
(
TRUE
);
default:
/* No deadlock detected*/
return
(
FALSE
);
}
return
(
FALSE
);
lock_deadlock_found
=
TRUE
;
return
(
TRUE
);
}
/************************************************************************
...
...
@@ -3147,16 +3167,18 @@ lock_deadlock_recursive(
was found and we chose some other trx as a
victim: we must do the search again in this
last case because there may be another
deadlock! */
deadlock!
LOCK_EXCEED_MAX_DEPTH if the lock search
exceeds max steps and/or max depth. */
trx_t
*
start
,
/* in: recursion starting point */
trx_t
*
trx
,
/* in: a transaction waiting for a lock */
lock_t
*
wait_lock
,
/* in: the lock trx is waiting to be granted */
ulint
*
cost
,
/* in/out: number of calculation steps thus
far: if this exceeds LOCK_MAX_N_STEPS_...
we return LOCK_
VICTIM_IS_START
*/
we return LOCK_
EXCEED_MAX_DEPTH
*/
ulint
depth
)
/* in: recursion depth: if this exceeds
LOCK_MAX_DEPTH_IN_DEADLOCK_CHECK, we
return LOCK_
VICTIM_IS_START
*/
return LOCK_
EXCEED_MAX_DEPTH
*/
{
lock_t
*
lock
;
ulint
bit_no
=
ULINT_UNDEFINED
;
...
...
@@ -3215,7 +3237,7 @@ lock_deadlock_recursive(
lock_trx
=
lock
->
trx
;
if
(
lock_trx
==
start
||
too_far
)
{
if
(
lock_trx
==
start
)
{
/* We came back to the recursion starting
point: a deadlock detected; or we have
...
...
@@ -3262,19 +3284,10 @@ lock_deadlock_recursive(
}
#ifdef UNIV_DEBUG
if
(
lock_print_waits
)
{
fputs
(
"Deadlock detected"
" or too long search
\n
"
,
fputs
(
"Deadlock detected
\n
"
,
stderr
);
}
#endif
/* UNIV_DEBUG */
if
(
too_far
)
{
fputs
(
"TOO DEEP OR LONG SEARCH"
" IN THE LOCK TABLE"
" WAITS-FOR GRAPH
\n
"
,
ef
);
return
(
LOCK_VICTIM_IS_START
);
}
if
(
trx_weight_cmp
(
wait_lock
->
trx
,
start
)
>=
0
)
{
...
...
@@ -3310,6 +3323,21 @@ lock_deadlock_recursive(
return
(
LOCK_VICTIM_IS_OTHER
);
}
if
(
too_far
)
{
#ifdef UNIV_DEBUG
if
(
lock_print_waits
)
{
fputs
(
"Deadlock search exceeds"
" max steps or depth.
\n
"
,
stderr
);
}
#endif
/* UNIV_DEBUG */
/* The information about transaction/lock
to be rolled back is available in the top
level. Do not print anything here. */
return
(
LOCK_EXCEED_MAX_DEPTH
);
}
if
(
lock_trx
->
que_state
==
TRX_QUE_LOCK_WAIT
)
{
/* Another trx ahead has requested lock in an
...
...
storage/innobase/os/os0file.c
View file @
f476f83b
...
...
@@ -759,7 +759,15 @@ os_file_readdir_next_file(
#ifdef HAVE_READDIR_R
ret
=
readdir_r
(
dir
,
(
struct
dirent
*
)
dirent_buf
,
&
ent
);
if
(
ret
!=
0
)
{
if
(
ret
!=
0
#ifdef UNIV_AIX
/* On AIX, only if we got non-NULL 'ent' (result) value and
a non-zero 'ret' (return) value, it indicates a failed
readdir_r() call. An NULL 'ent' with an non-zero 'ret'
would indicate the "end of the directory" is reached. */
&&
ent
!=
NULL
#endif
)
{
fprintf
(
stderr
,
"InnoDB: cannot read directory %s, error %lu
\n
"
,
dirname
,
(
ulong
)
ret
);
...
...
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