diff options
-rw-r--r-- | src/corelib/io/qtemporaryfile.cpp | 9 | ||||
-rw-r--r-- | tests/auto/qtemporaryfile/qtemporaryfile.pro | 3 | ||||
-rw-r--r-- | tests/auto/qtemporaryfile/tst_qtemporaryfile.cpp | 45 |
3 files changed, 55 insertions, 2 deletions
diff --git a/src/corelib/io/qtemporaryfile.cpp b/src/corelib/io/qtemporaryfile.cpp index 4856353..6a9125c 100644 --- a/src/corelib/io/qtemporaryfile.cpp +++ b/src/corelib/io/qtemporaryfile.cpp @@ -294,6 +294,8 @@ public: QTemporaryFileEngine(const QString &file) : QFSFileEngine(file) { } ~QTemporaryFileEngine(); + void setFileName(const QString &file); + bool open(QIODevice::OpenMode flags); bool remove(); bool close(); @@ -304,6 +306,13 @@ QTemporaryFileEngine::~QTemporaryFileEngine() QFSFileEngine::close(); } +void QTemporaryFileEngine::setFileName(const QString &file) +{ + // Really close the file, so we don't leak + QFSFileEngine::close(); + QFSFileEngine::setFileName(file); +} + bool QTemporaryFileEngine::open(QIODevice::OpenMode openMode) { Q_D(QFSFileEngine); diff --git a/tests/auto/qtemporaryfile/qtemporaryfile.pro b/tests/auto/qtemporaryfile/qtemporaryfile.pro index 0c90994..bde990a 100644 --- a/tests/auto/qtemporaryfile/qtemporaryfile.pro +++ b/tests/auto/qtemporaryfile/qtemporaryfile.pro @@ -2,5 +2,4 @@ load(qttest_p4) SOURCES += tst_qtemporaryfile.cpp QT = core - - +DEFINES += SRCDIR=\\\"$$PWD/\\\" diff --git a/tests/auto/qtemporaryfile/tst_qtemporaryfile.cpp b/tests/auto/qtemporaryfile/tst_qtemporaryfile.cpp index f5155ae..2daa0f6 100644 --- a/tests/auto/qtemporaryfile/tst_qtemporaryfile.cpp +++ b/tests/auto/qtemporaryfile/tst_qtemporaryfile.cpp @@ -51,6 +51,13 @@ #if defined(Q_OS_WIN) # include <windows.h> #endif +#if defined(Q_OS_UNIX) +# include <sys/types.h> +# include <sys/stat.h> +# include <errno.h> +# include <fcntl.h> // open(2) +# include <unistd.h> // close(2) +#endif //TESTED_CLASS= //TESTED_FILES= @@ -78,6 +85,7 @@ private slots: void openOnRootDrives(); void stressTest(); void rename(); + void renameFdLeak(); public: }; @@ -356,5 +364,42 @@ void tst_QTemporaryFile::rename() QVERIFY(!dir.exists("temporary-file.txt")); } +void tst_QTemporaryFile::renameFdLeak() +{ +#ifdef Q_OS_UNIX + // Test this on Unix only + + // Open a bunch of files to force the fd count to go up + static const int count = 10; + int bunch_of_files[count]; + for (int i = 0; i < count; ++i) { + bunch_of_files[i] = ::open(SRCDIR "tst_qtemporaryfile.cpp", O_RDONLY); + QVERIFY(bunch_of_files[i] != -1); + } + + int fd; + { + QTemporaryFile file; + file.setAutoRemove(false); + QVERIFY(file.open()); + + // close the bunch of files + for (int i = 0; i < count; ++i) + ::close(bunch_of_files[i]); + + // save the file descriptor for later + fd = file.handle(); + + // rename the file to something + QString newPath = QDir::tempPath() + "/tst_qtemporaryfile-renameFdLeak-" + QString::number(getpid()); + file.rename(newPath); + QFile::remove(newPath); + } + + // check if QTemporaryFile closed the file + QVERIFY(::close(fd) == -1 && errno == EBADF); +#endif +} + QTEST_MAIN(tst_QTemporaryFile) #include "tst_qtemporaryfile.moc" |