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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include "common.h"
#include "CommonTypes.h"
#include "CommonMacros.h"
#include "daccess.h"
#include "event.h"
#include "PalRedhawkCommon.h"
#include "PalRedhawk.h"
#include "rhassert.h"
#include "slist.h"
#include "gcrhinterface.h"
#include "varint.h"
#include "regdisplay.h"
#include "StackFrameIterator.h"
#include "thread.h"
#include "holder.h"
#include "Crst.h"
#include "RWLock.h"
#include "threadstore.h"
#include "threadstore.inl"
//
// -----------------------------------------------------------------------------------------------------------
//
// CLR wrapper around events. This version directly uses Win32 events (there's no support for host
// interception).
//
bool CLREventStatic::CreateManualEventNoThrow(bool bInitialState)
{
m_hEvent = PalCreateEventW(NULL, TRUE, bInitialState, NULL);
m_fInitialized = true;
return IsValid();
}
bool CLREventStatic::CreateAutoEventNoThrow(bool bInitialState)
{
m_hEvent = PalCreateEventW(NULL, FALSE, bInitialState, NULL);
m_fInitialized = true;
return IsValid();
}
bool CLREventStatic::CreateOSManualEventNoThrow(bool bInitialState)
{
m_hEvent = PalCreateEventW(NULL, TRUE, bInitialState, NULL);
m_fInitialized = true;
return IsValid();
}
bool CLREventStatic::CreateOSAutoEventNoThrow(bool bInitialState)
{
m_hEvent = PalCreateEventW(NULL, FALSE, bInitialState, NULL);
m_fInitialized = true;
return IsValid();
}
void CLREventStatic::CloseEvent()
{
if (m_fInitialized && m_hEvent != INVALID_HANDLE_VALUE)
{
PalCloseHandle(m_hEvent);
m_hEvent = INVALID_HANDLE_VALUE;
}
}
bool CLREventStatic::IsValid() const
{
return m_fInitialized && m_hEvent != INVALID_HANDLE_VALUE;
}
bool CLREventStatic::Set()
{
if (!m_fInitialized)
return false;
return PalSetEvent(m_hEvent);
}
bool CLREventStatic::Reset()
{
if (!m_fInitialized)
return false;
return PalResetEvent(m_hEvent);
}
uint32_t CLREventStatic::Wait(uint32_t dwMilliseconds, bool bAlertable, bool bAllowReentrantWait)
{
UInt32 result = WAIT_FAILED;
if (m_fInitialized)
{
bool disablePreemptive = false;
Thread * pCurThread = ThreadStore::GetCurrentThreadIfAvailable();
if (NULL != pCurThread)
{
if (pCurThread->IsCurrentThreadInCooperativeMode())
{
pCurThread->EnablePreemptiveMode();
disablePreemptive = true;
}
}
result = PalCompatibleWaitAny(bAlertable, dwMilliseconds, 1, &m_hEvent, bAllowReentrantWait);
if (disablePreemptive)
{
pCurThread->DisablePreemptiveMode();
}
}
return result;
}
HANDLE CLREventStatic::GetOSEvent()
{
if (!m_fInitialized)
return INVALID_HANDLE_VALUE;
return m_hEvent;
}
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