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redis
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64f36a58
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体验新版 GitCode,发现更多精彩内容 >>
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64f36a58
编写于
11月 23, 2009
作者:
A
antirez
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电子邮件补丁
差异文件
epoll module for ae.c implemented. Some more testing needed
上级
fb6a1967
变更
2
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Showing
2 changed file
with
86 addition
and
1 deletion
+86
-1
Makefile
Makefile
+1
-1
ae_epoll.c
ae_epoll.c
+85
-0
未找到文件。
Makefile
浏览文件 @
64f36a58
...
...
@@ -25,7 +25,7 @@ all: redis-server redis-benchmark redis-cli
# Deps (use make dep to generate this)
adlist.o
:
adlist.c adlist.h zmalloc.h
ae.o
:
ae.c ae.h zmalloc.h ae_select.c
ae.o
:
ae.c ae.h zmalloc.h ae_select.c
ae_epoll.c
ae_select.o
:
ae_select.c
anet.o
:
anet.c fmacros.h anet.h
benchmark.o
:
benchmark.c fmacros.h ae.h anet.h sds.h adlist.h zmalloc.h
...
...
ae_epoll.c
0 → 100644
浏览文件 @
64f36a58
/* Linux epoll(2) based ae.c module
* Copyright (C) 2009 Salvatore Sanfilippo - antirez@gmail.com
* Released under the BSD license. See the COPYING file for more info. */
#include <sys/epoll.h>
typedef
struct
aeApiState
{
int
epfd
;
struct
epoll_event
events
[
AE_SETSIZE
];
}
aeApiState
;
static
int
aeApiCreate
(
aeEventLoop
*
eventLoop
)
{
aeApiState
*
state
=
zmalloc
(
sizeof
(
aeApiState
));
if
(
!
state
)
return
-
1
;
state
->
epfd
=
epoll_create
(
1024
);
/* 1024 is just an hint for the kernel */
if
(
state
->
epfd
==
-
1
)
return
-
1
;
eventLoop
->
apidata
=
state
;
return
0
;
}
static
void
aeApiFree
(
aeEventLoop
*
eventLoop
)
{
aeApiState
*
state
=
eventLoop
->
apidata
;
close
(
state
->
epfd
);
zfree
(
state
);
}
static
int
aeApiAddEvent
(
aeEventLoop
*
eventLoop
,
int
fd
,
int
mask
)
{
aeApiState
*
state
=
eventLoop
->
apidata
;
struct
epoll_event
ee
;
int
op
=
eventLoop
->
events
[
fd
].
mask
==
AE_NONE
?
EPOLL_CTL_ADD
:
EPOLL_CTL_MOD
;
ee
.
events
=
0
;
if
(
mask
&
AE_READABLE
)
ee
.
events
|=
EPOLLIN
;
if
(
mask
&
AE_WRITABLE
)
ee
.
events
|=
EPOLLOUT
;
if
(
mask
&
AE_EXCEPTION
)
ee
.
events
|=
EPOLLPRI
;
ee
.
data
.
fd
=
fd
;
if
(
epoll_ctl
(
state
->
epfd
,
op
,
fd
,
&
ee
)
==
-
1
)
return
-
1
;
return
0
;
}
static
void
aeApiDelEvent
(
aeEventLoop
*
eventLoop
,
int
fd
,
int
delmask
)
{
aeApiState
*
state
=
eventLoop
->
apidata
;
struct
epoll_event
ee
;
int
mask
=
eventLoop
->
events
[
fd
].
mask
&
(
~
delmask
);
ee
.
events
=
0
;
if
(
mask
&
AE_READABLE
)
ee
.
events
|=
EPOLLIN
;
if
(
mask
&
AE_WRITABLE
)
ee
.
events
|=
EPOLLOUT
;
if
(
mask
&
AE_EXCEPTION
)
ee
.
events
|=
EPOLLPRI
;
ee
.
data
.
fd
=
fd
;
if
(
mask
!=
AE_NONE
)
{
epoll_ctl
(
state
->
epfd
,
EPOLL_CTL_MOD
,
fd
,
&
ee
);
}
else
{
/* Note, Kernel < 2.6.9 requires a non null event pointer even for
* EPOLL_CTL_DEL. */
epoll_ctl
(
state
->
epfd
,
EPOLL_CTL_DEL
,
fd
,
&
ee
);
}
}
static
int
aeApiPoll
(
aeEventLoop
*
eventLoop
,
struct
timeval
*
tvp
)
{
aeApiState
*
state
=
eventLoop
->
apidata
;
int
retval
,
numevents
=
0
;
retval
=
epoll_wait
(
state
->
epfd
,
state
->
events
,
AE_SETSIZE
,
tvp
?
(
tvp
->
tv_sec
*
1000
+
tvp
->
tv_usec
/
1000
)
:
-
1
);
if
(
retval
>
0
)
{
int
j
;
numevents
=
retval
;
for
(
j
=
0
;
j
<
numevents
;
j
++
)
{
int
mask
=
0
;
struct
epoll_event
*
e
=
state
->
events
+
j
;
if
(
e
->
events
&
EPOLLIN
)
mask
|=
AE_READABLE
;
if
(
e
->
events
&
EPOLLOUT
)
mask
|=
AE_WRITABLE
;
if
(
e
->
events
&
EPOLLPRI
)
mask
|=
AE_EXCEPTION
;
eventLoop
->
fired
[
j
].
fd
=
e
->
data
.
fd
;
eventLoop
->
fired
[
j
].
mask
=
mask
;
}
}
return
numevents
;
}
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