59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef XTHREAD_H
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#define XTHREAD_H
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//! Generic thread exception
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/*!
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Exceptions derived from this class are used by the multithreading
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library to perform stack unwinding when a thread terminates. These
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exceptions must always be rethrown by clients when caught.
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*/
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class XThread { };
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//! Thread exception to exit
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/*!
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Thrown by CThread::exit() to exit a thread. Clients of CThread
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must not throw this type but must rethrow it if caught (by
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XThreadExit, XThread, or ...).
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*/
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class XThreadExit : public XThread {
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public:
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//! \c result is the result of the thread
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XThreadExit(void* result) : m_result(result) { }
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~XThreadExit() { }
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public:
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void* m_result;
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};
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//! Thread exception to cancel
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/*!
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Thrown to cancel a thread. Clients must not throw this type, but
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must rethrow it if caught (by XThreadCancel, XThread, or ...).
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*/
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class XThreadCancel : public XThread { };
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/*!
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\def RETHROW_XTHREAD
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Convenience macro to rethrow an XThread exception but ignore other
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exceptions. Put this in your catch (...) handler after necessary
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cleanup but before leaving or returning from the handler.
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*/
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#define RETHROW_XTHREAD \
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try { throw; } catch (XThread&) { throw; } catch (...) { }
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#endif
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