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体验新版 GitCode,发现更多精彩内容 >>
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b7319d37
编写于
7月 31, 2000
作者:
H
Hiroshi Inoue
浏览文件
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浏览文件
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电子邮件补丁
差异文件
Cancel request while waiting for a lock should try to wake
up sleeping processes.
上级
8f9fa0e1
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
14 addition
and
12 deletion
+14
-12
src/backend/storage/lmgr/proc.c
src/backend/storage/lmgr/proc.c
+14
-12
未找到文件。
src/backend/storage/lmgr/proc.c
浏览文件 @
b7319d37
...
@@ -8,7 +8,7 @@
...
@@ -8,7 +8,7 @@
*
*
*
*
* IDENTIFICATION
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.7
6 2000/06/28 03:32:07 tgl
Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.7
7 2000/07/31 01:16:24 inoue
Exp $
*
*
*-------------------------------------------------------------------------
*-------------------------------------------------------------------------
*/
*/
...
@@ -47,7 +47,7 @@
...
@@ -47,7 +47,7 @@
* This is so that we can support more backends. (system-wide semaphore
* This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95
* sets run out pretty fast.) -ay 4/95
*
*
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.7
6 2000/06/28 03:32:07 tgl
Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.7
7 2000/07/31 01:16:24 inoue
Exp $
*/
*/
#include <sys/time.h>
#include <sys/time.h>
#include <unistd.h>
#include <unistd.h>
...
@@ -322,18 +322,20 @@ GetOffWaitqueue(PROC *proc)
...
@@ -322,18 +322,20 @@ GetOffWaitqueue(PROC *proc)
if
(
proc
->
links
.
next
!=
INVALID_OFFSET
)
if
(
proc
->
links
.
next
!=
INVALID_OFFSET
)
{
{
int
lockmode
=
proc
->
token
;
int
lockmode
=
proc
->
token
;
LOCK
*
waitLock
=
proc
->
waitLock
;
Assert
(
proc
->
waitLock
->
waitProcs
.
size
>
0
);
Assert
(
waitLock
);
Assert
(
waitLock
->
waitProcs
.
size
>
0
);
SHMQueueDelete
(
&
(
proc
->
links
));
SHMQueueDelete
(
&
(
proc
->
links
));
--
proc
->
waitLock
->
waitProcs
.
size
;
--
waitLock
->
waitProcs
.
size
;
Assert
(
proc
->
waitLock
->
nHolding
>
0
);
Assert
(
waitLock
->
nHolding
>
0
);
Assert
(
proc
->
waitLock
->
nHolding
>
proc
->
waitLock
->
nActive
);
Assert
(
waitLock
->
nHolding
>
proc
->
waitLock
->
nActive
);
--
proc
->
waitLock
->
nHolding
;
--
waitLock
->
nHolding
;
Assert
(
proc
->
waitLock
->
holders
[
lockmode
]
>
0
);
Assert
(
waitLock
->
holders
[
lockmode
]
>
0
);
--
proc
->
waitLock
->
holders
[
lockmode
];
--
waitLock
->
holders
[
lockmode
];
if
(
proc
->
waitLock
->
activeHolders
[
lockmode
]
==
if
(
waitLock
->
activeHolders
[
lockmode
]
==
waitLock
->
holders
[
lockmode
])
proc
->
waitLock
->
holders
[
lockmode
])
waitLock
->
waitMask
&=
~
(
1
<<
lockmode
);
proc
->
waitLock
->
waitMask
&=
~
(
1
<<
lockmode
);
ProcLockWakeup
(
&
(
waitLock
->
waitProcs
),
LOCK_LOCKMETHOD
(
*
waitLock
),
waitLock
);
getoffed
=
true
;
getoffed
=
true
;
}
}
SHMQueueElemInit
(
&
(
proc
->
links
));
SHMQueueElemInit
(
&
(
proc
->
links
));
...
...
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