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feat: startup lock #2702

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feat: startup lock #2702

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16 changes: 16 additions & 0 deletions mirai-console/frontend/mirai-console-terminal/src/MiraiConsoleImplementationTerminal.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ import org.jline.terminal.TerminalBuilder
import org.jline.terminal.impl.AbstractWindowsTerminal
import java.nio.file.Path
import java.nio.file.Paths
import kotlin.io.path.exists
import kotlin.io.path.outputStream

/**
* mirai-console-terminal 后端实现
Expand Down Expand Up @@ -131,6 +133,10 @@ open class MiraiConsoleImplementationTerminal
get() = ConsoleTerminalSettings.launchOptions

override fun preStart() {

val lock = rootPath.resolve("startup.properties")
if (lock.exists()) throw RuntimeException("已有其他实例启动，或者上次启动后没有正常关闭 Mirai Console")

registerSignalHandler()

JLineInputDaemon.terminal0 = this
Expand All @@ -145,6 +151,16 @@ open class MiraiConsoleImplementationTerminal
}
}

override fun postStart() {
launch(CoroutineName("Mirai Console Terminal Startup Lock")) {
val lock = rootPath.resolve("startup.properties")
lock.outputStream().use { output ->
System.getProperties().store(output, "startup lock")
}
lock.toFile().deleteOnExit()
}
}

override fun createNewProcessProgress(): ProcessProgress {
if (terminal is NoConsole) return super.createNewProcessProgress()

Expand Down