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体验新版 GitCode,发现更多精彩内容 >>
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c790f6d2
编写于
1月 20, 2009
作者:
D
Daniel P. Berrange
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Avoid bogus event loop wakeups in remote driver when doing RPC call
上级
ed493909
变更
2
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2 changed file
with
40 addition
and
8 deletion
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-8
ChangeLog
ChangeLog
+6
-0
src/remote_internal.c
src/remote_internal.c
+34
-8
未找到文件。
ChangeLog
浏览文件 @
c790f6d2
Tue Jan 20 11:43:53 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
* src/remote_internal.c: Disable event watch when doing an
RPC call to avoid bogus event loop wakeups which would
block on a lock
Tue Jan 20 11:28:53 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
* src/remote_internal.c: Add locking to all public API entry
...
...
src/remote_internal.c
浏览文件 @
c790f6d2
...
...
@@ -754,9 +754,7 @@ doRemoteOpen (virConnectPtr conn,
DEBUG0
(
"Adding Handler for remote events"
);
/* Set up a callback to listen on the socket data */
if
((
priv
->
watch
=
virEventAddHandle
(
priv
->
sock
,
VIR_EVENT_HANDLE_READABLE
|
VIR_EVENT_HANDLE_ERROR
|
VIR_EVENT_HANDLE_HANGUP
,
VIR_EVENT_HANDLE_READABLE
,
remoteDomainEventFired
,
conn
,
NULL
))
<
0
)
{
DEBUG0
(
"virEventAddHandle failed: No addHandleImpl defined."
...
...
@@ -5555,7 +5553,7 @@ static int really_read (virConnectPtr conn, struct private_data *priv,
* else Bad Things will happen in the XDR code.
*/
static
int
c
all
(
virConnectPtr
conn
,
struct
private_data
*
priv
,
doC
all
(
virConnectPtr
conn
,
struct
private_data
*
priv
,
int
flags
/* if we are in virConnectOpen */
,
int
proc_nr
,
xdrproc_t
args_filter
,
char
*
args
,
...
...
@@ -5750,6 +5748,34 @@ retry_read:
}
}
static
int
call
(
virConnectPtr
conn
,
struct
private_data
*
priv
,
int
flags
/* if we are in virConnectOpen */
,
int
proc_nr
,
xdrproc_t
args_filter
,
char
*
args
,
xdrproc_t
ret_filter
,
char
*
ret
)
{
int
rv
;
/*
* Avoid needless wake-ups of the event loop in the
* case where this call is being made from a different
* thread than the event loop. These wake-ups would
* cause the event loop thread to be blocked on the
* mutex for the duration of the call
*/
if
(
priv
->
watch
>=
0
)
virEventUpdateHandle
(
priv
->
watch
,
0
);
rv
=
doCall
(
conn
,
priv
,
flags
,
proc_nr
,
args_filter
,
args
,
ret_filter
,
ret
);
if
(
priv
->
watch
>=
0
)
virEventUpdateHandle
(
priv
->
watch
,
VIR_EVENT_HANDLE_READABLE
);
return
rv
;
}
static
int
really_write_buf
(
virConnectPtr
conn
,
struct
private_data
*
priv
,
int
in_open
/* if we are in virConnectOpen */
,
...
...
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