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fix: Avoid deadlock in ProgressBar::redraw()

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This commit is contained in:
Robert Hensing 2024-09-08 11:44:24 +02:00
parent e10ea78f93
commit c955563b64
1 changed files with 6 additions and 6 deletions
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12
src/libmain/progress-bar.cc
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@ -75,11 +75,11 @@ private:
bool active = true; bool active = true;
bool paused = false; bool paused = false;
bool haveUpdate = true; bool haveUpdate = true;
/** Helps avoid unnecessary redraws, see `draw()` */
std::string lastOutput;
}; };
/** Helps avoid unnecessary redraws, see `redraw()` */
Sync<std::string> lastOutput_;
Sync<State> state_; Sync<State> state_;
std::thread updateThread; std::thread updateThread;
@ -371,10 +371,10 @@ public:
*/ */
void redraw(std::string newOutput) void redraw(std::string newOutput)
{ {
auto state(state_.lock()); auto lastOutput(lastOutput_.lock());
if (newOutput != state->lastOutput) { if (newOutput != *lastOutput) {
writeToStderr(newOutput); writeToStderr(newOutput);
state->lastOutput = std::move(newOutput); *lastOutput = std::move(newOutput);
} }
} }