From 0b693175e4e70cead730a245cffa66304998196a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= <morten.sorvig@qt.io>
Date: Sun, 7 Apr 2019 12:32:51 +0200
Subject: wasm: make idealThreadCount() work on all threads

navigator.hardwareConcurrency can be accessed from
the main thread only. Read and cache the value on
QCoreApplication initialization.

Change-Id: I731f7f356ce106c7107977783d4b763326af06b6
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
---
 src/corelib/thread/qthread_p.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/corelib/thread/qthread_p.h')

diff --git a/src/corelib/thread/qthread_p.h b/src/corelib/thread/qthread_p.h
index 7d9442ab79..57e6c995c5 100644
--- a/src/corelib/thread/qthread_p.h
+++ b/src/corelib/thread/qthread_p.h
@@ -195,6 +195,9 @@ public:
     int waiters;
     bool terminationEnabled, terminatePending;
 #endif // Q_OS_WIN
+#ifdef Q_OS_WASM
+    static int idealThreadCount;
+#endif
     QThreadData *data;
 
     static QAbstractEventDispatcher *createEventDispatcher(QThreadData *data);
-- 
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