90 lines
1.3 KiB
C++
90 lines
1.3 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: signal.cxx
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//
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// Contents: Signal class implementation
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//
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// Classes: CSignal
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//
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// History: 29-Sep-93 CarlH Created
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//
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//--------------------------------------------------------------------------
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#include <windows.h>
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#include "signal.hxx"
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#pragma hdrstop
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CSignal::CSignal(WCHAR const *pwszName) :
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_pwszName(new WCHAR[wcslen(pwszName) + 1]),
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_hevent(0)
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{
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wcscpy(_pwszName, pwszName);
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}
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CSignal::~CSignal(void)
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{
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delete _pwszName;
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if (_hevent != 0)
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{
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CloseHandle(_hevent);
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}
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}
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DWORD CSignal::Wait(DWORD dwTimeout)
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{
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DWORD stat = 0;
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if (_hevent == 0)
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{
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_hevent = CreateEvent(NULL, TRUE, FALSE, _pwszName);
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if (_hevent == 0)
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{
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stat = GetLastError();
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}
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}
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if (stat == 0)
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{
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stat = WaitForSingleObject(_hevent, dwTimeout);
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if (stat == 0)
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{
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ResetEvent(_hevent);
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}
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}
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return (stat);
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}
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DWORD CSignal::Signal(void)
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{
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DWORD stat = 0;
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if (_hevent == 0)
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{
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_hevent = CreateEvent(NULL, TRUE, FALSE, _pwszName);
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if (_hevent == 0)
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{
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stat = GetLastError();
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}
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}
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if (stat == 0)
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{
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if (!SetEvent(_hevent))
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{
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stat = GetLastError();
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}
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}
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return (stat);
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}
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