Diffstat (limited to 'src/concurrent/qtconcurrentrun.cpp')
1 files changed, 9 insertions, 0 deletions
diff --git a/src/concurrent/qtconcurrentrun.cpp b/src/concurrent/qtconcurrentrun.cpp
index 8347440b66..18bcf332ac 100644
@@ -194,6 +194,11 @@
\snippet code/src_concurrent_qtconcurrentrun.cpp 11
+ \note There's no need to call QPromise::start() and QPromise::finish() to
+ indicate the beginning and the end of computation (like you would normally do when
+ using QPromise). QtConcurrent::run() will always call them before starting and
+ after finishing the execution.
\section2 Suspending and canceling the execution
The QPromise API also enables suspending and canceling the computation, if requested:
@@ -215,6 +220,10 @@
call to \c promise.isCanceled() will return \c true and
\c aFunction will return immediately without any further result reporting.
+ \note There's no need to call QPromise::finish() to stop the computation
+ after the cancellation (like you would normally do when using QPromise).
+ QtConcurrent::run() will always call it after finishing the execution.
\section2 Progress reporting
It's also possible to report the progress of a task