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| author | Joerg Bornemann <joerg.bornemann@qt.io> | 2021-02-25 15:46:32 +0100 |
|---|---|---|
| committer | Qt CI Bot <qt_ci_bot@qt-project.org> | 2021-03-04 11:26:42 +0000 |
| commit | 94d5c1bfe080380341fa6f7fe90c055225dfbd92 (patch) | |
| tree | ec0b29f77dd908b701658d2b2825dd9a8217533f /src/concurrent/qtconcurrentrun.cpp | |
| parent | 52f99ff3d202705beb0abb5251e3a4999f020545 (diff) | |
| parent | 00b75e86f3db6eb25798a3edc45b4fb597b9ff74 (diff) | |
Merge "Remove win32_system_libs feature from src/corelib/configure.json"
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 8347440b66..18bcf332ac 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 |