diff options
| author | Sona Kurazyan <sona.kurazyan@qt.io> | 2021-10-06 10:04:54 +0200 |
|---|---|---|
| committer | Sona Kurazyan <sona.kurazyan@qt.io> | 2021-10-08 17:17:20 +0200 |
| commit | ce59ccb3341223cda4f7ef2469d86326c6a116e8 (patch) | |
| tree | 9084f53c7f50d349694a77a9e665a984ba1776de /src/corelib/thread/qfutureinterface.h | |
| parent | 22248a4e96a49dbccfeb5c3deb26941a1f40a66e (diff) | |
Optimize QPromise destructor
Unify cancel and finish in QPromise destructor in a single call. This
saves us one extra mutex lock and atomic state change.
Task-number: QTBUG-84977
Change-Id: Iac06302c39a2863008b27325fcf6792d4f58c8ae
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Diffstat (limited to 'src/corelib/thread/qfutureinterface.h')
| -rw-r--r-- | src/corelib/thread/qfutureinterface.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/thread/qfutureinterface.h b/src/corelib/thread/qfutureinterface.h index ecc31d6ec35..e813031d594 100644 --- a/src/corelib/thread/qfutureinterface.h +++ b/src/corelib/thread/qfutureinterface.h @@ -154,6 +154,8 @@ public: int loadState() const; void cancel(); + void cancelAndFinish() { cancel(CancelMode::CancelAndFinish); } + void setSuspended(bool suspend); void toggleSuspended(); void reportSuspended() const; @@ -216,6 +218,9 @@ protected: bool launchAsync() const; bool isRunningOrPending() const; + + enum class CancelMode { CancelOnly, CancelAndFinish }; + void cancel(CancelMode mode); }; inline void swap(QFutureInterfaceBase &lhs, QFutureInterfaceBase &rhs) noexcept |