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-rw-r--r--src/corelib/io/qfilesystemwatcher_win.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/corelib/io/qfilesystemwatcher_win.cpp b/src/corelib/io/qfilesystemwatcher_win.cpp
index 4f2ff9370d..3028f94b0e 100644
--- a/src/corelib/io/qfilesystemwatcher_win.cpp
+++ b/src/corelib/io/qfilesystemwatcher_win.cpp
@@ -50,6 +50,7 @@
#include <qset.h>
#include <qdatetime.h>
#include <qdir.h>
+#include <qtextstream.h>
QT_BEGIN_NAMESPACE
@@ -312,6 +313,17 @@ QWindowsFileSystemWatcherEngineThread::~QWindowsFileSystemWatcherEngineThread()
}
}
+static inline QString msgFindNextFailed(const QHash<QString, QWindowsFileSystemWatcherEngine::PathInfo> &pathInfos)
+{
+ QString result;
+ QTextStream str(&result);
+ str << "QFileSystemWatcher: FindNextChangeNotification failed for";
+ foreach (const QWindowsFileSystemWatcherEngine::PathInfo &pathInfo, pathInfos)
+ str << " \"" << QDir::toNativeSeparators(pathInfo.absolutePath) << '"';
+ str << ' ';
+ return result;
+}
+
void QWindowsFileSystemWatcherEngineThread::run()
{
QMutexLocker locker(&mutex);
@@ -342,11 +354,11 @@ void QWindowsFileSystemWatcherEngineThread::run()
// for some reason, so we must check if the handle exist in the handles vector
if (handles.contains(handle)) {
// qDebug()<<"thread"<<this<<"Acknowledged handle:"<<at<<handle;
+ QHash<QString, QWindowsFileSystemWatcherEngine::PathInfo> &h = pathInfoForHandle[handle];
if (!FindNextChangeNotification(handle)) {
- qErrnoWarning("QFileSystemWatcher: FindNextChangeNotification failed!!");
+ const DWORD error = GetLastError();
+ qErrnoWarning(error, "%s", qPrintable(msgFindNextFailed(h)));
}
-
- QHash<QString, QWindowsFileSystemWatcherEngine::PathInfo> &h = pathInfoForHandle[handle];
QMutableHashIterator<QString, QWindowsFileSystemWatcherEngine::PathInfo> it(h);
while (it.hasNext()) {
QHash<QString, QWindowsFileSystemWatcherEngine::PathInfo>::iterator x = it.next();