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Fix autotest not to open too many files on a Unix

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tst_QSharedPointer can't create a pipe as the OS has too many files
open. Systems like macOS have a lower limit to these simultaneous files
open.

Task-number: QTBUG-60410
Change-Id: I21e89f992ada2a7d09b706522a05b5952f00ec33
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
This commit is contained in:
Tony Sarajärvi 2017-05-17 09:06:07 +03:00
parent 4c346b6e2b
commit 315f634180
1 changed files with 19 additions and 0 deletions
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19
tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp
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@ -43,6 +43,10 @@
#include <stdlib.h>
#include <time.h>
#ifdef Q_OS_UNIX
#include <sys/resource.h>
#endif
QT_BEGIN_NAMESPACE
namespace QtSharedPointer {
Q_CORE_EXPORT void internalSafetyCheckCleanCheck();
@ -54,6 +58,7 @@ class tst_QSharedPointer: public QObject
Q_OBJECT
private slots:
void initTestCase();
void basics_data();
void basics();
void operators();
@ -118,6 +123,20 @@ public:
}
};
void tst_QSharedPointer::initTestCase()
{
#if defined(Q_OS_UNIX)
// The tests create a lot of threads, which require file descriptors. On systems like
// OS X low defaults such as 256 as the limit for the number of simultaneously
// open files is not sufficient.
struct rlimit numFiles;
if (getrlimit(RLIMIT_NOFILE, &numFiles) == 0 && numFiles.rlim_cur < 1024) {
numFiles.rlim_cur = qMin(rlim_t(1024), numFiles.rlim_max);
setrlimit(RLIMIT_NOFILE, &numFiles);
}
#endif
}
template<typename T> static inline
QtSharedPointer::ExternalRefCountData *refCountData(const QSharedPointer<T> &b)
{