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Fix tst_qglobalstatic on OS X

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OS X has an unreasonably low default for the maximum number of open
file descriptors (256). The unit test creates about 200 threads and each
thread in Qt creates at least two file descriptors (pipe), so the test
cannot execute.

Change-Id: I656367bca6d0a40fb1edb8c72914304db0f429ac
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
This commit is contained in:
Simon Hausmann 2015-05-29 09:45:36 +02:00
parent ccad00121d
commit 80bc743406
1 changed files with 21 additions and 0 deletions
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21
tests/auto/corelib/global/qglobalstatic/tst_qglobalstatic.cpp
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@ -41,10 +41,17 @@
#include <QtCore/QThread>
#include <QtTest/QtTest>
#if defined(Q_OS_UNIX)
#include <sys/resource.h>
#endif
class tst_QGlobalStatic : public QObject
{
Q_OBJECT
public Q_SLOTS:
void initTestCase();
private Q_SLOTS:
void beforeInitialization();
void api();
@ -55,6 +62,20 @@ private Q_SLOTS:
void afterDestruction();
};
void tst_QGlobalStatic::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
}
Q_GLOBAL_STATIC_WITH_ARGS(const int, constInt, (42))
Q_GLOBAL_STATIC_WITH_ARGS(volatile int, volatileInt, (-47))