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drop deprecated TBB components (#6590)

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Quite some time ago, many of the TBB components were deprecated in favor
of their near-equivalents in the STL or, in the case of task_scheduler_init,
were broken up and reconstituted under a less ad-hoc logic. Every time a header
file marked deprecated gets included, a rather loud warning is emitted, which
leads to a complete TBB's domination over the stderr stream during build time,
making it harder to notice _legitimate_ warnings.

Instead of merely muting the output with TBB_SUPPRESS_DEPRECATED_MESSAGES,
perform a genuine migration away from the deprecated components with the added
benefit of achieving a source compatibility with oneTBB, the successor to TBB
which has dropped the deprecated API for good.

What got replaced for what?

| Deprecated				| Replacement					|
| ------------------------------------- | --------------------------------------------- |
| `tbb::atomic`				| `std::atomic`					|
| `tbb::mutex`				| `std::mutex`					|
| `tbb::mutex::scoped_lock`		| `std::scoped_lock<std::mutex>`		|
| `tbb::mutex::scoped_lock` (empty)	| `std::unique_lock<std::mutex>` (deferred)	|
| `tbb::task_scheduler_init`		| `tbb::global_control`				|
| `tbb::this_thread`			| `std::this_thread`				|

Signed-off-by: Roman Beranek <roman.beranek@prusa3d.com>
This commit is contained in:
Roman Beránek
2021-06-23 11:48:48 +02:00
committed by GitHub
parent 7a7108b2ad
commit e13535f822
18 changed files with 80 additions and 95 deletions
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6
src/slic3r/GUI/BackgroundSlicingProcess.cpp
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@@ -645,7 +645,7 @@ void BackgroundSlicingProcess::schedule_export(const std::string &path, bool exp
return;
// Guard against entering the export step before changing the export path.
tbb::mutex::scoped_lock lock(m_print->state_mutex());
std::scoped_lock<std::mutex> lock(m_print->state_mutex());
this->invalidate_step(bspsGCodeFinalize);
m_export_path = path;
m_export_path_on_removable_media = export_path_on_removable_media;
@@ -658,7 +658,7 @@ void BackgroundSlicingProcess::schedule_upload(Slic3r::PrintHostJob upload_job)
return;
// Guard against entering the export step before changing the export path.
tbb::mutex::scoped_lock lock(m_print->state_mutex());
std::scoped_lock<std::mutex> lock(m_print->state_mutex());
this->invalidate_step(bspsGCodeFinalize);
m_export_path.clear();
m_upload_job = std::move(upload_job);
@@ -671,7 +671,7 @@ void BackgroundSlicingProcess::reset_export()
m_export_path.clear();
m_export_path_on_removable_media = false;
// invalidate_step expects the mutex to be locked.
tbb::mutex::scoped_lock lock(m_print->state_mutex());
std::scoped_lock<std::mutex> lock(m_print->state_mutex());
this->invalidate_step(bspsGCodeFinalize);
}
}