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rtems: Add environment variable for configure default thread stack size

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The default stack size is too small on RTEMS.
Qt uses threads internally and there is no way to change their stack
size.

Change-Id: I94a42c7a70c745f0b50d7051d9320edfabd1e09e
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Mikhail Svetkin 2019-06-06 10:42:22 +02:00
parent 2a99f60cfb
commit 248e81a280
1 changed files with 5 additions and 0 deletions
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5
src/corelib/thread/qthread.cpp
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@ -171,6 +171,11 @@ QThreadPrivate::QThreadPrivate(QThreadData *d)
// to 128K.
#ifdef Q_OS_INTEGRITY
stackSize = 128 * 1024;
#elif defined(Q_OS_RTEMS)
static bool envStackSizeOk = false;
static const int envStackSize = qEnvironmentVariableIntValue("QT_DEFAULT_THREAD_STACK_SIZE", &envStackSizeOk);
if (envStackSizeOk)
stackSize = envStackSize;
#endif
#if defined (Q_OS_WIN)