diff options
Diffstat (limited to 'src/corelib/kernel/qsystemsemaphore.cpp')
| -rw-r--r-- | src/corelib/kernel/qsystemsemaphore.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/kernel/qsystemsemaphore.cpp b/src/corelib/kernel/qsystemsemaphore.cpp index 98ee6f4..ae30348 100644 --- a/src/corelib/kernel/qsystemsemaphore.cpp +++ b/src/corelib/kernel/qsystemsemaphore.cpp @@ -151,6 +151,11 @@ QT_BEGIN_NAMESPACE creates a new semaphore for that key and sets its resource count to \a initialValue. + In QNX, if the \a mode is \l {QSystemSemaphore::} {Create} and the + system already has a semaphore identified by \a key, that semaphore + will be deleted and the new one will be created for that key with + a resource count set to \a initialValue. + In Windows and in Symbian, \a mode is ignored, and the system always tries to create a semaphore for the specified \a key. If the system does not already have a semaphore identified as \a key, it creates the @@ -234,7 +239,7 @@ void QSystemSemaphore::setKey(const QString &key, int initialValue, AccessMode m return; d->error = NoError; d->errorString = QString(); -#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN) +#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN) && !defined(QT_POSIX_IPC) // optimization to not destroy/create the file & semaphore if (key == d->key && mode == Create && d->createdSemaphore && d->createdFile) { d->initialValue = initialValue; |