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体验新版 GitCode,发现更多精彩内容 >>
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d4ffb6c0
编写于
7月 02, 2019
作者:
C
codinghuang
浏览文件
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差异文件
新增《PHP扩展开发》-协程-协程resume
上级
9be93de5
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
203 addition
and
2 deletion
+203
-2
docs/《PHP扩展开发》-协程-协程resume.md
docs/《PHP扩展开发》-协程-协程resume.md
+167
-0
include/coroutine.h
include/coroutine.h
+1
-0
src/coroutine/coroutine.cc
src/coroutine/coroutine.cc
+7
-0
study_coroutine_util.cc
study_coroutine_util.cc
+21
-0
test.php
test.php
+7
-2
未找到文件。
docs/《PHP扩展开发》-协程-协程resume.md
0 → 100644
浏览文件 @
d4ffb6c0
# 协程resume
这篇文章,我们来实现一下我们协程的
`resume`
接口。我们先定义一下我们的接口参数:
```
cpp
ZEND_BEGIN_ARG_INFO_EX
(
arginfo_study_coroutine_resume
,
0
,
0
,
1
)
ZEND_ARG_INFO
(
0
,
cid
)
ZEND_END_ARG_INFO
()
```
说明我们打算接收一个协程的id,然后
`resume`
它。
接着,我们来实现一下
`resume`
接口:
```
cpp
PHP_METHOD
(
study_coroutine_util
,
resume
)
{
zend_long
cid
=
0
;
ZEND_PARSE_PARAMETERS_START
(
1
,
1
)
Z_PARAM_LONG
(
cid
)
ZEND_PARSE_PARAMETERS_END_EX
(
RETURN_FALSE
);
auto
coroutine_iterator
=
user_yield_coros
.
find
(
cid
);
Coroutine
*
co
=
coroutine_iterator
->
second
;
user_yield_coros
.
erase
(
cid
);
co
->
resume
();
RETURN_TRUE
;
}
```
然后,我们注册这个接口:
```
cpp
static
const
zend_function_entry
study_coroutine_util_methods
[]
=
{
PHP_ME
(
study_coroutine_util
,
create
,
arginfo_study_coroutine_create
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_ME
(
study_coroutine_util
,
yield
,
arginfo_study_coroutine_void
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_ME
(
study_coroutine_util
,
resume
,
arginfo_study_coroutine_resume
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_FE_END
};
```
我们来分析一下这个接口的实现。
其中
```
cpp
ZEND_PARSE_PARAMETERS_START
(
1
,
1
)
Z_PARAM_LONG
(
cid
)
ZEND_PARSE_PARAMETERS_END_EX
(
RETURN_FALSE
);
```
不多说了,解析传递个
`resume`
接口的参数,是一个协程id。
```
cpp
auto
coroutine_iterator
=
user_yield_coros
.
find
(
cid
);
Coroutine
*
co
=
coroutine_iterator
->
second
;
user_yield_coros
.
erase
(
cid
);
```
在我们的无序字典里面通过协程id来查找到我们的协程。并且把它从这个无序字典里面删除。
```
cpp
co
->
resume
();
```
`resume`
这个被指定的协程。
OK,我们来实现一下
`Study::Coroutine`
的
`yield`
。首先,我们在
`Study::Coroutine`
这个类里面进行声明:
```
cpp
public:
void
resume
();
```
然后我们在
`src/coroutine/coroutine.cc`
这个类里面去实现它:
```
cpp
void
Coroutine
::
resume
()
{
origin
=
current
;
current
=
this
;
ctx
.
swap_in
();
}
```
其中:
```
cpp
origin
=
current
;
current
=
this
;
```
是我们熟悉的代码,用来更替当前协程。
```
cpp
ctx
.
swap_in
();
```
让当前协程的上下文载入。
OK,我们来编写对应的测试脚本:
```
php
<?php
function
task
(
$n
,
$arg
)
{
echo
"coroutine [
$n
] create"
.
PHP_EOL
;
Study\Coroutine
::
yield
();
echo
"coroutine [
$n
] be resumed"
.
PHP_EOL
;
}
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
create
(
'task'
,
1
,
'a'
);
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
create
(
'task'
,
2
,
'b'
);
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
resume
(
1
);
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
resume
(
2
);
echo
"main coroutine"
.
PHP_EOL
;
```
我们编译、安装扩展:
```
shell
~/codeDir/cppCode/study
# make clean && make && make install
----------------------------------------------------------------------
Build complete.
Don
't forget to run '
make
test
'.
Installing shared extensions: /usr/local/lib/php/extensions/no-debug-non-zts-20180731/
Installing header files: /usr/local/include/php/
```
然后执行脚本:
```
shell
~/codeDir/cppCode/study
# php test.php
main coroutine
coroutine
[
1] create
main coroutine
coroutine
[
2] create
main coroutine
coroutine
[
1] be resumed
main coroutine
coroutine
[
2] be resumed
main coroutine
~/codeDir/cppCode/study
#
```
符合我们的预期。
include/coroutine.h
浏览文件 @
d4ffb6c0
...
...
@@ -19,6 +19,7 @@ public:
static
Coroutine
*
get_current
();
void
set_task
(
void
*
_task
);
void
yield
();
void
resume
();
inline
long
get_cid
()
{
...
...
src/coroutine/coroutine.cc
浏览文件 @
d4ffb6c0
...
...
@@ -36,4 +36,11 @@ void Coroutine::yield()
{
current
=
origin
;
ctx
.
swap_out
();
}
void
Coroutine
::
resume
()
{
origin
=
current
;
current
=
this
;
ctx
.
swap_in
();
}
\ No newline at end of file
study_coroutine_util.cc
浏览文件 @
d4ffb6c0
...
...
@@ -9,6 +9,10 @@ static std::unordered_map<long, Coroutine *> user_yield_coros;
ZEND_BEGIN_ARG_INFO_EX
(
arginfo_study_coroutine_void
,
0
,
0
,
0
)
ZEND_END_ARG_INFO
()
ZEND_BEGIN_ARG_INFO_EX
(
arginfo_study_coroutine_resume
,
0
,
0
,
1
)
ZEND_ARG_INFO
(
0
,
cid
)
ZEND_END_ARG_INFO
()
ZEND_BEGIN_ARG_INFO_EX
(
arginfo_study_coroutine_create
,
0
,
0
,
1
)
ZEND_ARG_CALLABLE_INFO
(
0
,
func
,
0
)
ZEND_END_ARG_INFO
()
...
...
@@ -36,10 +40,27 @@ PHP_METHOD(study_coroutine_util, yield)
RETURN_TRUE
;
}
PHP_METHOD
(
study_coroutine_util
,
resume
)
{
zend_long
cid
=
0
;
ZEND_PARSE_PARAMETERS_START
(
1
,
1
)
Z_PARAM_LONG
(
cid
)
ZEND_PARSE_PARAMETERS_END_EX
(
RETURN_FALSE
);
auto
coroutine_iterator
=
user_yield_coros
.
find
(
cid
);
Coroutine
*
co
=
coroutine_iterator
->
second
;
user_yield_coros
.
erase
(
cid
);
co
->
resume
();
RETURN_TRUE
;
}
static
const
zend_function_entry
study_coroutine_util_methods
[]
=
{
PHP_ME
(
study_coroutine_util
,
create
,
arginfo_study_coroutine_create
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_ME
(
study_coroutine_util
,
yield
,
arginfo_study_coroutine_void
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_ME
(
study_coroutine_util
,
resume
,
arginfo_study_coroutine_resume
,
ZEND_ACC_PUBLIC
|
ZEND_ACC_STATIC
)
PHP_FE_END
};
...
...
test.php
浏览文件 @
d4ffb6c0
...
...
@@ -2,9 +2,9 @@
function
task
(
$n
,
$arg
)
{
echo
"coroutine [
$n
]"
.
PHP_EOL
;
echo
"coroutine [
$n
]
create
"
.
PHP_EOL
;
Study\Coroutine
::
yield
();
echo
$arg
.
PHP_EOL
;
echo
"coroutine [
$n
] be resumed"
.
PHP_EOL
;
}
echo
"main coroutine"
.
PHP_EOL
;
...
...
@@ -12,3 +12,8 @@ Study\Coroutine::create('task', 1, 'a');
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
create
(
'task'
,
2
,
'b'
);
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
resume
(
1
);
echo
"main coroutine"
.
PHP_EOL
;
Study\Coroutine
::
resume
(
2
);
echo
"main coroutine"
.
PHP_EOL
;
\ No newline at end of file
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