From 60c2aae02350364564599b358d267046417ad472 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@gmail.com>
Date: Wed, 19 Jun 2019 12:46:17 +0200
Subject: [PATCH] qtcreator: Set thread pool stack size to 2MiB

Visual C++ sets 1MiB as stack size, macOSX has 512KiB.
Both crash with a specified project.

MinGW sets 2MiB as stack size, the specified project loads
just fine.

Fixes: QTCREATORBUG-22496
Change-Id: I6f19e74a681977e4fe1dceee292ea9c838999a1a
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
---
 src/plugins/cpptools/cppmodelmanager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/plugins/cpptools/cppmodelmanager.cpp b/src/plugins/cpptools/cppmodelmanager.cpp
index 99d008aa3d1..c82355b31b0 100644
--- a/src/plugins/cpptools/cppmodelmanager.cpp
+++ b/src/plugins/cpptools/cppmodelmanager.cpp
@@ -62,6 +62,7 @@
 #include <projectexplorer/projectmacro.h>
 #include <projectexplorer/session.h>
 #include <utils/fileutils.h>
+#include <utils/hostosinfo.h>
 #include <utils/qtcassert.h>
 
 #include <QCoreApplication>
@@ -513,6 +514,10 @@ CppModelManager::CppModelManager()
     d->m_indexingSupporter = nullptr;
     d->m_enableGC = true;
 
+    // Visual C++ has 1MiB, macOSX has 512KiB
+    if (Utils::HostOsInfo::isWindowsHost() || Utils::HostOsInfo::isMacHost())
+        d->m_threadPool.setStackSize(2 * 1024 * 1024);
+
     qRegisterMetaType<QSet<QString> >();
     connect(this, &CppModelManager::sourceFilesRefreshed,
             this, &CppModelManager::onSourceFilesRefreshed);