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Diffstat (limited to 'src/concurrent/qtconcurrentrun.cpp')
| -rw-r--r-- | src/concurrent/qtconcurrentrun.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/concurrent/qtconcurrentrun.cpp b/src/concurrent/qtconcurrentrun.cpp index 8347440b66e..18bcf332ac5 100644 --- a/src/concurrent/qtconcurrentrun.cpp +++ b/src/concurrent/qtconcurrentrun.cpp @@ -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 |