mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-11-02 20:51:23 -07:00
Fixed concurrency issues
This commit is contained in:
Alessandro Ranellucci
parent
b9de65e174
commit
d896ad090b
2 changed files with 54 additions and 24 deletions
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@ -84,6 +84,9 @@ use constant INFILL_OVERLAP_OVER_SPACING => 0.45;
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use constant EXTERNAL_INFILL_MARGIN => 3;
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use constant INSET_OVERLAP_TOLERANCE => 0.2;
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# keep track of threads we created
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my @threads = ();
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sub parallelize {
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my %params = @_;
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@ -93,7 +96,13 @@ sub parallelize {
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$q->enqueue(@items, (map undef, 1..$params{threads}));
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my $thread_cb = sub {
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# ignore threads created by our parent
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@threads = ();
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# execute thread callback
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$params{thread_cb}->($q);
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# cleanup before terminating thread
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Slic3r::thread_cleanup();
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# This explicit exit avoids an untrappable
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@ -111,7 +120,10 @@ sub parallelize {
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$params{collect_cb} ||= sub {};
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@_ = ();
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foreach my $th (map threads->create($thread_cb), 1..$params{threads}) {
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my @my_threads = map threads->create($thread_cb), 1..$params{threads};
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push @threads, map $_->tid, @my_threads;
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foreach my $th (@my_threads) {
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$params{collect_cb}->($th->join);
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}
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} else {
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@ -131,6 +143,8 @@ sub parallelize {
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# object in a thread, make sure the main thread still holds a
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# reference so that it won't be destroyed in thread.
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sub thread_cleanup {
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return if !$Slic3r::have_threads;
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# prevent destruction of shared objects
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no warnings 'redefine';
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*Slic3r::Config::DESTROY = sub {};
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@ -162,6 +176,10 @@ sub thread_cleanup {
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*Slic3r::Surface::DESTROY = sub {};
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*Slic3r::Surface::Collection::DESTROY = sub {};
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*Slic3r::TriangleMesh::DESTROY = sub {};
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# detach any running thread created in the current one
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$_->detach for grep defined($_), map threads->object($_), @threads;
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return undef; # this prevents a "Scalars leaked" warning
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}
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@ -28,7 +28,7 @@ use constant TB_SCALE => &Wx::NewId;
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use constant TB_SPLIT => &Wx::NewId;
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use constant TB_VIEW => &Wx::NewId;
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use constant TB_SETTINGS => &Wx::NewId;
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use constant PROCESS_TIMER_EVENT => &Wx::NewId;
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use constant apply_config_timer_EVENT => &Wx::NewId;
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# package variables to avoid passing lexicals to threads
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our $THUMBNAIL_DONE_EVENT : shared = Wx::NewEventType;
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@ -53,7 +53,7 @@ sub new {
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$self->{model} = Slic3r::Model->new;
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$self->{print} = Slic3r::Print->new;
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$self->{objects} = [];
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$self->{process_timer} = Wx::Timer->new($self, PROCESS_TIMER_EVENT)
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$self->{apply_config_timer} = Wx::Timer->new($self, apply_config_timer_EVENT)
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if $Slic3r::have_threads;
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$self->{print}->set_status_cb(sub {
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@ -168,7 +168,10 @@ sub new {
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}
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$self->selection_changed(0);
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$self->object_list_changed;
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EVT_BUTTON($self, $self->{btn_export_gcode}, \&export_gcode);
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EVT_BUTTON($self, $self->{btn_export_gcode}, sub {
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$self->export_gcode;
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Slic3r::thread_cleanup();
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});
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EVT_BUTTON($self, $self->{btn_export_stl}, \&export_stl);
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if ($self->{htoolbar}) {
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@ -231,11 +234,12 @@ sub new {
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EVT_COMMAND($self, -1, $PROCESS_COMPLETED_EVENT, sub {
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my ($self, $event) = @_;
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$self->on_process_completed($event->GetData);
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Slic3r::thread_cleanup();
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});
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EVT_TIMER($self, PROCESS_TIMER_EVENT, sub {
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EVT_TIMER($self, apply_config_timer_EVENT, sub {
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my ($self, $event) = @_;
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$self->start_background_process;
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$self->async_apply_config;
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});
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$self->{canvas}->update_bed_size;
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@ -460,7 +464,7 @@ sub objects_loaded {
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$self->{list}->Select($obj_idxs->[-1], 1);
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$self->object_list_changed;
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$self->schedule_background_process;
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$self->start_background_process;
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}
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sub remove {
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@ -686,16 +690,25 @@ sub split_object {
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$self->load_model_objects(@model_objects);
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}
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sub schedule_background_process {
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sub async_apply_config {
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my ($self) = @_;
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# TODO: pause process thread before applying new config
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# apply new config
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my $invalidated = $self->{print}->apply_config($self->skeinpanel->config);
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return if !$Slic3r::GUI::Settings->{_}{background_processing};
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# kill current thread if any
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$self->stop_background_process;
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if ($invalidated) {
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# kill current thread if any
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$self->stop_background_process;
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# (re)start timer
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$self->{process_timer}->Start(PROCESS_DELAY, 1); # 1 = one shot
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# schedule a new process thread
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$self->start_background_process;
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} else {
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# TODO: restore process thread
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}
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}
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sub start_background_process {
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@ -753,7 +766,7 @@ sub start_background_process {
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sub stop_background_process {
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my ($self) = @_;
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$self->{process_timer}->Stop;
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$self->{apply_config_timer}->Stop;
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$self->statusbar->SetCancelCallback(undef);
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$self->statusbar->StopBusy;
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$self->statusbar->SetStatusText("");
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@ -840,9 +853,6 @@ sub export_gcode {
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my $result = !Slic3r::GUI::catch_error($self);
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$self->on_export_completed($result);
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}
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# this method gets executed in a separate thread by wxWidgets since it's a button handler
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Slic3r::thread_cleanup() if $Slic3r::have_threads;
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}
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# This gets called only if we have threads.
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@ -862,6 +872,10 @@ sub on_process_completed {
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# if we have an export filename, start a new thread for exporting G-code
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if ($self->{export_gcode_output_file}) {
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@_ = ();
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# workaround for "Attempt to free un referenced scalar..."
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our $_thread_self = $self;
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$self->{export_thread} = threads->create(sub {
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local $SIG{'KILL'} = sub {
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Slic3r::debugf "Export process cancelled; exiting thread...\n";
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@ -870,13 +884,13 @@ sub on_process_completed {
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};
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eval {
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$self->{print}->export_gcode(output_file => $self->{export_gcode_output_file});
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$_thread_self->{print}->export_gcode(output_file => $_thread_self->{export_gcode_output_file});
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};
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if ($@) {
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Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $ERROR_EVENT, shared_clone([ $@ ])));
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Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $EXPORT_COMPLETED_EVENT, 0));
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Wx::PostEvent($_thread_self, Wx::PlThreadEvent->new(-1, $ERROR_EVENT, shared_clone([ $@ ])));
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Wx::PostEvent($_thread_self, Wx::PlThreadEvent->new(-1, $EXPORT_COMPLETED_EVENT, 0));
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} else {
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Wx::PostEvent($self, Wx::PlThreadEvent->new(-1, $EXPORT_COMPLETED_EVENT, 1));
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Wx::PostEvent($_thread_self, Wx::PlThreadEvent->new(-1, $EXPORT_COMPLETED_EVENT, 1));
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}
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Slic3r::thread_cleanup();
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});
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@ -1044,11 +1058,9 @@ sub on_config_change {
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}
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return if !$self->skeinpanel->is_loaded;
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# TODO: pause export thread
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# schedule a new process thread if new config invalidates any step
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$self->schedule_background_process
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if $self->{print}->apply_config($self->skeinpanel->config);
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# (re)start timer
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$self->{apply_config_timer}->Start(PROCESS_DELAY, 1); # 1 = one shot
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}
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sub list_item_deselected {
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