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44b80414d3
New overload for method OSD::SetSignal() is added accepting argument specifying how to set or unset handlers. New enum OSD_SignalMode describes different modes of signal handlers setting used in extended version of OSD::SetSignal(). Method OSD::SignalMode() returns mode set by the last call to SetSignal(). Method OSD::IsFloatingSignalSet() is changed to return value based on actual floating point exception flags (rather than on variable set by previous call to SetSignal()). Added new method OSD::SetThreadLocalSignal() intended to setup thread-specific handlers (e.g. _set_se_translator() on Windows) and FPE settings. OSD_ThreadPool and Media_PlayerContext now use new method instead of OSD::SetSignal(), to avoid overriding global handlers. dsetsignal syntax has been extended to support choice of signal handling mode. DRAW command OCC30775 is added allowing to test signal handling in multithreaded process.
27 lines
1.1 KiB
C++
27 lines
1.1 KiB
C++
// Copyright (c) 2019 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _OSD_SignalMode_HeaderFile
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#define _OSD_SignalMode_HeaderFile
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//! Mode of operation for OSD::SetSignal() function
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enum OSD_SignalMode
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{
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OSD_SignalMode_AsIs, //!< Do not set or remove signal handlers
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OSD_SignalMode_Set, //!< Set OCCT signal handlers
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OSD_SignalMode_SetUnhandled, //!< Set OCCT signal handler but only if no handler is set, for each particular signal type
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OSD_SignalMode_Unset //!< Unset signal handler to system default
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};
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#endif // _OSD_SignalMode_HeaderFile
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