diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/global/qnamespace.qdoc | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc index 90f38fd51c..ae377e124b 100644 --- a/src/corelib/global/qnamespace.qdoc +++ b/src/corelib/global/qnamespace.qdoc @@ -509,15 +509,14 @@ delivery at a later time. \value AutoConnection - (default) If the signal is emitted from a different thread than the - receiving object, the signal is queued, behaving as - Qt::QueuedConnection. Otherwise, the slot is invoked directly, - behaving as Qt::DirectConnection. The type of connection is + \b (Default) If the receiver \l{QObject#Thread Affinity}{lives in} the + thread that emits the signal, Qt::DirectConnection is used. Otherwise, + Qt::QueuedConnection is used. The connection type is determined when the signal is emitted. \value DirectConnection - The slot is invoked immediately, when the signal is - emitted. + The slot is invoked immediately when the signal is + emitted. The slot is executed in the signalling thread. \value QueuedConnection The slot is invoked when control returns to the event loop @@ -525,11 +524,10 @@ receiver's thread. \value BlockingQueuedConnection - Same as QueuedConnection, except the current thread blocks - until the slot returns. This connection type should only be - used where the emitter and receiver are in different - threads. \note Violating this rule can cause your - application to deadlock. + Same as Qt::QueuedConnection, except that the signalling thread blocks + until the slot returns. This connection must \e not be used if the + receiver lives in the signalling thread, or else the application + will deadlock. \value UniqueConnection This is a flag that can be combined with any one of the above |