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acafb503
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acafb503
编写于
11月 28, 2019
作者:
F
Fraser Waters
提交者:
Kevin Ransom (msft)
11月 28, 2019
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电子邮件补丁
差异文件
Fix LinkedSubSource leak in Async.Choice (#7892)
* Fix LinkedSubSource leak in Async.Choice * ref -> mutable
上级
cab05203
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
38 addition
and
19 deletion
+38
-19
src/fsharp/FSharp.Core/async.fs
src/fsharp/FSharp.Core/async.fs
+38
-19
未找到文件。
src/fsharp/FSharp.Core/async.fs
浏览文件 @
acafb503
...
...
@@ -1293,35 +1293,54 @@ namespace Microsoft.FSharp.Control
|
Choice1Of2
computations
->
ProtectedCode
ctxt
(
fun
ctxt
->
let
ctxtWithSync
=
DelimitSyncContext
ctxt
let
noneCount
=
ref
0
let
exnCount
=
ref
0
let
mutable
count
=
computations
.
Length
let
mutable
noneCount
=
0
let
mutable
someOrExnCount
=
0
let
innerCts
=
new
LinkedSubSource
(
ctxtWithSync
.
token
)
let
scont
(
result
:
'
T
option
)
=
match
result
with
|
Some
_
->
if
Interlocked
.
Increment
exnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
cont
result
)
let
result
=
match
result
with
|
Some
_
->
if
Interlocked
.
Increment
&
someOrExnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
cont
result
)
else
fake
()
|
None
->
if
Interlocked
.
Increment
&
noneCount
=
computations
.
Length
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
cont
None
)
else
fake
()
if
Interlocked
.
Decrement
&
count
=
0
then
innerCts
.
Dispose
()
result
let
econt
(
exn
:
ExceptionDispatchInfo
)
=
let
result
=
if
Interlocked
.
Increment
&
someOrExnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
econt
exn
)
else
fake
()
|
None
->
if
Interlocked
.
Increment
noneCount
=
computations
.
Length
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
cont
None
)
if
Interlocked
.
Decrement
&
count
=
0
then
innerCts
.
Dispose
()
result
let
ccont
(
exn
:
OperationCanceledException
)
=
let
result
=
if
Interlocked
.
Increment
&
someOrExnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
ccont
exn
)
else
fake
()
let
econt
(
exn
:
ExceptionDispatchInfo
)
=
if
Interlocked
.
Increment
exnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
econt
exn
)
else
fake
()
if
Interlocked
.
Decrement
&
count
=
0
then
innerCts
.
Dispose
()
let
ccont
(
exn
:
OperationCanceledException
)
=
if
Interlocked
.
Increment
exnCount
=
1
then
innerCts
.
Cancel
()
;
ctxtWithSync
.
trampolineHolder
.
ExecuteWithTrampoline
(
fun
()
->
ctxtWithSync
.
ccont
exn
)
else
fake
()
result
for
c
in
computations
do
QueueAsync
innerCts
.
Token
scont
econt
ccont
c
|>
unfake
...
...
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