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0025748: Parallel version of progress indicator

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Progress indication mechanism is refactored to support incrementing progress within multithreaded algorithms.

The class Message_ProgressIndicator is only an interface to the user application.
It accumulates the progress provided by progress scopes.
The counter is protected by mutex for thread-safety.

The new class Message_ProgressScope replacing Message_ProgressSentry should be used to advance the progress.
The scopes are nested to each other to reflect the nested nature of operations.
The new class Message_ProgressRange should be used to pass the progress to sub-scopes.

All OCCT algorithms involving progress indication have been updated to new API.

Improvements in Draw_ProgressIndicator:
- Separate console mode has been added in order to make possible to put the progress into std::cout instead
  or in addition to the draw interpreter, instead of trigger option "-tclOutput".
- Treatment of Ctrl-Break signal has been added.
  Now any operation can be aborted by Ctrl-C or Ctrl-Break keystroke.

Added new test case 'perf fclasses progr_par' for testing of parallel work of the progress.
This commit is contained in:
msv
2020-07-10 14:19:31 +03:00
committed by abv
parent 99289bed0a
commit 7e785937b3
271 changed files with 3701 additions and 3149 deletions
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5
src/ShapeProcessAPI/ShapeProcessAPI_ApplySequence.cxx
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@@ -61,7 +61,8 @@ Handle(ShapeProcess_ShapeContext)& ShapeProcessAPI_ApplySequence::Context()
TopoDS_Shape ShapeProcessAPI_ApplySequence::PrepareShape(const TopoDS_Shape& shape,
const Standard_Boolean /*fillmap*/,
const TopAbs_ShapeEnum /*until*/)
const TopAbs_ShapeEnum /*until*/,
const Message_ProgressRange& theProgress)
{
if (shape.IsNull())
return shape;
@@ -71,7 +72,7 @@ TopoDS_Shape ShapeProcessAPI_ApplySequence::PrepareShape(const TopoDS_Shape& sha
TCollection_AsciiString str(mySeq);
str += ".exec.op";
if ( rsc->Find ( str.ToCString() ) ) {
ShapeProcess::Perform ( myContext, mySeq.ToCString() );
ShapeProcess::Perform(myContext, mySeq.ToCString(), theProgress);
}
return myContext->Result();