Make close not suspend

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/BotNetworkHandler.kt

@@ -11,6 +11,7 @@ import net.mamoe.mirai.network.protocol.tim.packet.Packet
 import net.mamoe.mirai.network.protocol.tim.packet.login.HeartbeatPacket
 import net.mamoe.mirai.network.protocol.tim.packet.login.LoginResult
 import net.mamoe.mirai.network.protocol.tim.packet.login.RequestSKeyPacket
+import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.io.PlatformDatagramChannel
 
 /**
@@ -52,6 +53,7 @@ interface BotNetworkHandler<Socket : DataPacketSocketAdapter> : CoroutineScope {
      * @see [BotSession.sendAndExpectAsync] 发送并期待一个包
      * @see [TemporaryPacketHandler] 临时包处理器
      */
+    @MiraiInternalAPI
     suspend fun addHandler(temporaryPacketHandler: TemporaryPacketHandler<*, *>)
 
     /**
@@ -67,7 +69,7 @@ interface BotNetworkHandler<Socket : DataPacketSocketAdapter> : CoroutineScope {
     /**
      * 关闭网络接口, 停止所有有关协程和任务
      */
-    suspend fun close(cause: Throwable? = null) {
+    fun close(cause: Throwable? = null) {
         supervisor.cancel(CancellationException("handler closed", cause))
     }
 }
\ No newline at end of file

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/protocol/tim/TIMBotNetworkHandler.kt

@@ -101,16 +101,14 @@ internal class TIMBotNetworkHandler internal constructor(coroutineContext: Corou
         heartbeatJob?.join()
     }
 
-    override suspend fun close(cause: Throwable?) {
+    override fun close(cause: Throwable?) {
         super.close(cause)
 
         this.heartbeatJob?.cancel(CancellationException("handler closed"))
-        this.heartbeatJob?.join()//等待 cancel 完成
         this.heartbeatJob = null
 
         if (!this.loginResult.isCompleted && !this.loginResult.isCancelled) {
             this.loginResult.cancel(CancellationException("socket closed"))
-            this.loginResult.join()
         }
 
         this.socket.close()