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It may happen that RunManagerImpl::loadState invokes Read Action (e.g. inside BuildArtifactsBeforeRunTaskBase.readExternal), so if we don't invoke the whole initialization under Read Action, we may get a deadlock if some other thread accesses RunManager (and triggers its initialization) under Write Action, or accesses it under Read Action while other Write Action is pending. GitOrigin-RevId: 8009acb892fbb3b1f24bd1b29db51d84d894db28
36 lines
1.7 KiB
Kotlin
36 lines
1.7 KiB
Kotlin
// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
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package com.intellij.execution.impl
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import com.intellij.diagnostic.runActivity
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import com.intellij.execution.RunManager
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import com.intellij.execution.RunManager.Companion.IS_RUN_MANAGER_INITIALIZED
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import com.intellij.openapi.application.readAction
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import com.intellij.openapi.components.ComponentManagerEx
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import com.intellij.openapi.module.ModuleManager
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import com.intellij.openapi.project.Project
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import com.intellij.openapi.project.impl.ProjectServiceContainerInitializedListener
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import kotlinx.coroutines.async
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private class ProjectRunConfigurationInitializer : ProjectServiceContainerInitializedListener {
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override suspend fun execute(project: Project) {
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project.coroutineScope.async {
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if (IS_RUN_MANAGER_INITIALIZED.get(project) == true) {
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return@async
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}
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// wait for module manager - may be required for module level run configurations
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// it allows us to avoid thread blocking
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// (RunManager itself cannot yet do the same, as platform doesn't provide non-blocking load state)
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(project as ComponentManagerEx).getServiceAsync(ModuleManager::class.java).join()
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runActivity("RunManager initialization") {
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// we must not fire beginUpdate here, because message bus will fire queued parent message bus messages (and, so, SOE may occur because all other projectOpened will be processed before us)
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// simply, you should not listen changes until project opened
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readAction {
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RunManager.getInstance(project)
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}
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IS_RUN_MANAGER_INITIALIZED.set(project, true)
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}
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}
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}
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} |