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Shell: Block on the existing event loop instead of pushing a new one

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This patch makes `Shell::block_on_job()` pump the event loop while the
job it's waiting for hasn't finished.
As this no longer pushes new event loops, it has the effect of
flattening the stack as well.
Fixes #4976.
This commit is contained in:
AnotherTest 2021-01-20 00:29:40 +03:30 • committed by Andreas Kling
commit be94a4ffa6
Notes: sideshowbarker 2024-07-18 22:56:59 +09:00
1 changed files with 4 additions and 3 deletions
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7
Userland/Shell/Shell.cpp
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@ -1079,17 +1079,18 @@ void Shell::block_on_job(RefPtr<Job> job)
}
} };
Core::EventLoop loop;
bool job_exited { false };
job->on_exit = [&, old_exit = move(job->on_exit)](auto job) {
if (old_exit)
old_exit(job);
loop.quit(0);
job_exited = true;
};
if (job->exited())
return;
loop.exec();
while (!job_exited)
Core::EventLoop::current().pump();
// If the job is part of a pipeline, wait for the rest of the members too.
if (auto command = job->command_ptr())