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ruanhaishen
redis
Commits
b3e03054
Commit
b3e03054
authored
Mar 15, 2020
by
zhaozhao.zz
Committed by
antirez
Mar 25, 2020
Browse files
Threaded IO: bugfix #6988 process events while blocked
parent
e628f944
Changes
1
Show whitespace changes
Inline
Side-by-side
src/networking.c
View file @
b3e03054
...
@@ -36,6 +36,7 @@
...
@@ -36,6 +36,7 @@
static
void
setProtocolError
(
const
char
*
errstr
,
client
*
c
);
static
void
setProtocolError
(
const
char
*
errstr
,
client
*
c
);
int
postponeClientRead
(
client
*
c
);
int
postponeClientRead
(
client
*
c
);
int
process_while_blocked
;
/* Return the size consumed from the allocator, for the specified SDS string,
/* Return the size consumed from the allocator, for the specified SDS string,
* including internal fragmentation. This function is used in order to compute
* including internal fragmentation. This function is used in order to compute
...
@@ -2738,6 +2739,7 @@ int clientsArePaused(void) {
...
@@ -2738,6 +2739,7 @@ int clientsArePaused(void) {
int
processEventsWhileBlocked
(
void
)
{
int
processEventsWhileBlocked
(
void
)
{
int
iterations
=
4
;
/* See the function top-comment. */
int
iterations
=
4
;
/* See the function top-comment. */
int
count
=
0
;
int
count
=
0
;
process_while_blocked
=
1
;
while
(
iterations
--
)
{
while
(
iterations
--
)
{
int
events
=
0
;
int
events
=
0
;
events
+=
aeProcessEvents
(
server
.
el
,
AE_FILE_EVENTS
|
AE_DONT_WAIT
);
events
+=
aeProcessEvents
(
server
.
el
,
AE_FILE_EVENTS
|
AE_DONT_WAIT
);
...
@@ -2745,6 +2747,7 @@ int processEventsWhileBlocked(void) {
...
@@ -2745,6 +2747,7 @@ int processEventsWhileBlocked(void) {
if
(
!
events
)
break
;
if
(
!
events
)
break
;
count
+=
events
;
count
+=
events
;
}
}
process_while_blocked
=
0
;
return
count
;
return
count
;
}
}
...
@@ -2816,6 +2819,7 @@ void *IOThreadMain(void *myid) {
...
@@ -2816,6 +2819,7 @@ void *IOThreadMain(void *myid) {
/* Initialize the data structures needed for threaded I/O. */
/* Initialize the data structures needed for threaded I/O. */
void
initThreadedIO
(
void
)
{
void
initThreadedIO
(
void
)
{
io_threads_active
=
0
;
/* We start with threads not active. */
io_threads_active
=
0
;
/* We start with threads not active. */
process_while_blocked
=
0
;
/* Don't spawn any thread if the user selected a single thread:
/* Don't spawn any thread if the user selected a single thread:
* we'll handle I/O directly from the main thread. */
* we'll handle I/O directly from the main thread. */
...
@@ -2970,6 +2974,7 @@ int handleClientsWithPendingWritesUsingThreads(void) {
...
@@ -2970,6 +2974,7 @@ int handleClientsWithPendingWritesUsingThreads(void) {
int
postponeClientRead
(
client
*
c
)
{
int
postponeClientRead
(
client
*
c
)
{
if
(
io_threads_active
&&
if
(
io_threads_active
&&
server
.
io_threads_do_reads
&&
server
.
io_threads_do_reads
&&
!
process_while_blocked
&&
!
(
c
->
flags
&
(
CLIENT_MASTER
|
CLIENT_SLAVE
|
CLIENT_PENDING_READ
)))
!
(
c
->
flags
&
(
CLIENT_MASTER
|
CLIENT_SLAVE
|
CLIENT_PENDING_READ
)))
{
{
c
->
flags
|=
CLIENT_PENDING_READ
;
c
->
flags
|=
CLIENT_PENDING_READ
;
...
...
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