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code-server
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74910ffc
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code-server
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体验新版 GitCode,发现更多精彩内容 >>
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提交
74910ffc
编写于
8月 17, 2020
作者:
A
Asher
提交者:
GitHub
8月 17, 2020
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Hotswap on SIGUSR1 (#1970)
上级
3c90b1e3
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
33 addition
and
16 deletion
+33
-16
src/node/wrapper.ts
src/node/wrapper.ts
+33
-16
未找到文件。
src/node/wrapper.ts
浏览文件 @
74910ffc
...
...
@@ -32,7 +32,7 @@ export class IpcMain {
public
readonly
onMessage
=
this
.
_onMessage
.
event
private
readonly
_onDispose
=
new
Emitter
<
NodeJS
.
Signals
|
undefined
>
()
public
readonly
onDispose
=
this
.
_onDispose
.
event
public
readonly
e
xit
:
(
code
?:
number
)
=>
never
public
readonly
processE
xit
:
(
code
?:
number
)
=>
never
public
constructor
(
public
readonly
parentPid
?:
number
)
{
process
.
on
(
"
SIGINT
"
,
()
=>
this
.
_onDispose
.
emit
(
"
SIGINT
"
))
...
...
@@ -40,7 +40,7 @@ export class IpcMain {
process
.
on
(
"
exit
"
,
()
=>
this
.
_onDispose
.
emit
(
undefined
))
// Ensure we control when the process exits.
this
.
e
xit
=
process
.
exit
this
.
processE
xit
=
process
.
exit
process
.
exit
=
function
(
code
?:
number
)
{
logger
.
warn
(
`process.exit() was prevented:
${
code
||
"
unknown code
"
}
.`
)
}
as
(
code
?:
number
)
=>
never
...
...
@@ -71,6 +71,14 @@ export class IpcMain {
}
}
public
exit
(
error
?:
number
|
ProcessError
):
never
{
if
(
error
&&
typeof
error
!==
"
number
"
)
{
this
.
processExit
(
typeof
error
.
code
===
"
number
"
?
error
.
code
:
1
)
}
else
{
this
.
processExit
(
error
)
}
}
public
handshake
(
child
?:
cp
.
ChildProcess
):
Promise
<
void
>
{
return
new
Promise
((
resolve
,
reject
)
=>
{
const
target
=
child
||
process
...
...
@@ -161,28 +169,37 @@ export class WrapperProcess {
}
})
ipcMain
().
onMessage
(
async
(
message
)
=>
{
ipcMain
().
onMessage
((
message
)
=>
{
switch
(
message
.
type
)
{
case
"
relaunch
"
:
logger
.
info
(
`Relaunching:
${
this
.
currentVersion
}
->
${
message
.
version
}
`
)
this
.
currentVersion
=
message
.
version
this
.
started
=
undefined
if
(
this
.
process
)
{
this
.
process
.
removeAllListeners
()
this
.
process
.
kill
()
}
try
{
await
this
.
start
()
}
catch
(
error
)
{
logger
.
error
(
error
.
message
)
ipcMain
().
exit
(
typeof
error
.
code
===
"
number
"
?
error
.
code
:
1
)
}
this
.
relaunch
()
break
default
:
logger
.
error
(
`Unrecognized message
${
message
}
`
)
break
}
})
process
.
on
(
"
SIGUSR1
"
,
async
()
=>
{
logger
.
info
(
"
Received SIGUSR1; hotswapping
"
)
this
.
relaunch
()
})
}
private
async
relaunch
():
Promise
<
void
>
{
this
.
started
=
undefined
if
(
this
.
process
)
{
this
.
process
.
removeAllListeners
()
this
.
process
.
kill
()
}
try
{
await
this
.
start
()
}
catch
(
error
)
{
logger
.
error
(
error
.
message
)
ipcMain
().
exit
(
typeof
error
.
code
===
"
number
"
?
error
.
code
:
1
)
}
}
public
start
():
Promise
<
void
>
{
...
...
@@ -244,13 +261,13 @@ export const wrap = (fn: () => Promise<void>): void => {
.
then
(()
=>
fn
())
.
catch
((
error
:
ProcessError
):
void
=>
{
logger
.
error
(
error
.
message
)
ipcMain
().
exit
(
typeof
error
.
code
===
"
number
"
?
error
.
code
:
1
)
ipcMain
().
exit
(
error
)
})
}
else
{
const
wrapper
=
new
WrapperProcess
(
require
(
"
../../package.json
"
).
version
)
wrapper
.
start
().
catch
((
error
)
=>
{
logger
.
error
(
error
.
message
)
ipcMain
().
exit
(
typeof
error
.
code
===
"
number
"
?
error
.
code
:
1
)
ipcMain
().
exit
(
error
)
})
}
}
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