public static UInt64 Thread(SafeWaitHandle threadHandle)
{
UInt64 cycleTime;
if (!QueryThreadCycleTime(threadHandle, out cycleTime))
throw new Win32Exception();
return cycleTime;
}
public CanlibWaitHandle(object we)
{
uint theHandle = (uint) we;
IntPtr pointer = new IntPtr((long) theHandle);
SafeWaitHandle swHandle = new SafeWaitHandle(pointer, true);
base.SafeWaitHandle = swHandle;
}
public static UInt64 Process(SafeWaitHandle processHandle)
{
UInt64 cycleTime;
if (!QueryProcessCycleTime(processHandle, out cycleTime))
throw new Win32Exception();
return cycleTime;
}
public static extern bool SetWaitableTimer(
SafeWaitHandle hTimer,
[In] ref long pDueTime,
int lPeriod,
IntPtr pfnCompletionRoutine,
IntPtr lpArgToCompletionRoutine,
bool fResume);
public static extern int RegNotifyChangeKeyValue(
UIntPtr hKey,
bool bWatchSubtree,
uint dwNotifyFilter,
SafeWaitHandle hEvent,
bool fAsynchronous
);
public Semaphore(int initialCount, int maximumCount, string name)
{
if (initialCount < 0)
{
throw new ArgumentOutOfRangeException("initialCount", SR.ArgumentOutOfRange_NeedNonNegNumRequired);
}
if (maximumCount < 1)
{
throw new ArgumentOutOfRangeException("maximumCount", SR.ArgumentOutOfRange_NeedPosNum);
}
if (initialCount > maximumCount)
{
throw new ArgumentException(SR.Argument_SemaphoreInitialMaximum);
}
if (null != name && MAX_PATH < name.Length)
{
throw new ArgumentException(SR.Argument_WaitHandleNameTooLong);
}
SafeWaitHandle myHandle = new SafeWaitHandle(Interop.mincore.CreateSemaphoreEx(IntPtr.Zero, initialCount, maximumCount, name, 0, (uint)(Interop.Constants.SemaphoreModifyState | Interop.Constants.Synchronize)), true);
if (myHandle.IsInvalid)
{
int errorCode = (int)Interop.mincore.GetLastError();
if (null != name && 0 != name.Length && Interop.mincore.Errors.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(SR.Format(SR.Threading_WaitHandleCannotBeOpenedException_InvalidHandle, name));
throw ExceptionFromCreationError(errorCode, name);
}
SafeWaitHandle = myHandle;
}
/// <summary>
/// Initializes a new instance of the CycleTime class.
/// </summary>
/// <param name="trackingThreadTime">
/// True if you want to track the current thread time. False for the
/// process as a whole.
/// </param>
/// <param name="handle">
/// The handle to the process for observing.
/// </param>
private CycleTime(Boolean trackingThreadTime, SafeWaitHandle handle)
{
this.trackingThreadTime = trackingThreadTime;
this.handle = handle;
this.startCycleTime = this.trackingThreadTime
? Thread()
: Process(this.handle);
}
public SoundCaptureBase(SoundCaptureDevice device)
{
this.device = device;
positionEvent = new AutoResetEvent(false);
positionEventHandle = positionEvent.SafeWaitHandle;
terminated = new ManualResetEvent(true);
}
/// <summary>
/// Retrieves the sum of the cycle time of all threads of the specified
/// process.
/// </summary>
public static ulong Process(SafeWaitHandle processHandle)
{
ulong cycleTime;
if (!QueryProcessCycleTime(processHandle, out cycleTime))
{
throw new Win32Exception();
}
return cycleTime;
}
/// <summary>
/// Retrieves the cycle time for the specified thread.
/// </summary>
public static ulong Thread(SafeWaitHandle threadHandle)
{
ulong cycleTime;
if (!QueryThreadCycleTime(threadHandle, out cycleTime))
{
throw new Win32Exception();
}
return cycleTime;
}
public void CancelWakeUp()
{
if (handle != null && !handle.IsClosed)
{
CancelWaitableTimer(handle);
handle.Close();
}
handle = null;
}
public static void SetSafeWaitHandle(this WaitHandle waitHandle, SafeWaitHandle value)
{
if (waitHandle == null)
{
throw new ArgumentNullException(nameof(waitHandle));
}
waitHandle.SafeWaitHandle = value;
}
public static bool ResetEvent (SafeWaitHandle handle)
{
bool release = false;
try {
handle.DangerousAddRef (ref release);
return ResetEvent_internal (handle.DangerousGetHandle ());
} finally {
if (release)
handle.DangerousRelease ();
}
}
public WaitHandle AbsoluteTimer(DateTimeOffset expireAt)
{
var handle = CreateWaitableTimer(IntPtr.Zero, true, null);
var dueTime = expireAt.ToUniversalTime().ToFileTime();
SetWaitableTimer(handle, ref dueTime, 0, IntPtr.Zero, IntPtr.Zero, false);
var safeHandle = new SafeWaitHandle(handle, true);
return new TimerWaitHandle(safeHandle);
}
public ProcessInfo(
Process ps,
ProcessInformation psi)
{
if (null == ps)
{
throw new ArgumentNullException("ps");
}
this.ps = ps;
this.mainThreadHandle = new SafeWaitHandle(
psi.hThread,
true);
}
internal ByteRangeDownloader(Uri requestedUri, string tempFileName, SafeWaitHandle eventHandle)
: this(requestedUri, eventHandle)
{
if (tempFileName == null)
{
throw new ArgumentNullException("tempFileName");
}
if (tempFileName.Length <= 0)
{
throw new ArgumentException(SR.Get(SRID.InvalidTempFileName), "tempFileName");
}
_tempFileStream = File.Open(tempFileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
}
public bool CreatePipeandEvent(string strPiPeName, string strEventName)
{
try
{
m_strPiPeName = strPiPeName;
m_strEventName = strEventName;
pipeStream = new NamedPipeServerStream(strPiPeName);
m_handle = CoreEvent.CreateEvent(default(IntPtr), false, false, strEventName);
strNO = strNO + "1";
return(true);
}
catch (Exception es)
{
return(false);
}
}
public EventWaitHandle(bool initialState, EventResetMode mode, string name)
{
if(null != name && System.IO.Path.MAX_PATH < name.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WaitHandleNameTooLong",name));
}
Contract.EndContractBlock();
SafeWaitHandle _handle = null;
#if MONO
int errorCode;
#endif
switch(mode)
{
case EventResetMode.ManualReset:
#if MONO
_handle = new SafeWaitHandle (NativeEventCalls.CreateEvent_internal (true, initialState, name, out errorCode), true);
#else
_handle = Win32Native.CreateEvent(null, true, initialState, name);
#endif
break;
case EventResetMode.AutoReset:
#if MONO
_handle = new SafeWaitHandle (NativeEventCalls.CreateEvent_internal (false, initialState, name, out errorCode), true);
#else
_handle = Win32Native.CreateEvent(null, false, initialState, name);
#endif
break;
default:
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag",name));
};
if (_handle.IsInvalid)
{
#if !MONO
int errorCode = Marshal.GetLastWin32Error();
#endif
_handle.SetHandleAsInvalid();
if(null != name && 0 != name.Length && Win32Native.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(Environment.GetResourceString("Threading.WaitHandleCannotBeOpenedException_InvalidHandle",name));
__Error.WinIOError(errorCode, name);
}
SetHandleInternal(_handle);
}
public Semaphore(int initialCount, int maximumCount, string name)
{
if (initialCount < 0)
{
throw new ArgumentOutOfRangeException("initialCount", SR.GetString(SR.ArgumentOutOfRange_NeedNonNegNumRequired));
}
if (maximumCount < 1)
{
throw new ArgumentOutOfRangeException("maximumCount", SR.GetString(SR.ArgumentOutOfRange_NeedPosNum));
}
if (initialCount > maximumCount)
{
throw new ArgumentException(SR.GetString(SR.Argument_SemaphoreInitialMaximum));
}
if(null != name && MAX_PATH < name.Length)
{
throw new ArgumentException(SR.GetString(SR.Argument_WaitHandleNameTooLong));
}
#if MONO
int errorCode;
var myHandle = new SafeWaitHandle (CreateSemaphore_internal (initialCount, maximumCount, name, out errorCode), true);
#else
SafeWaitHandle myHandle = SafeNativeMethods.CreateSemaphore(null, initialCount, maximumCount, name);
#endif
if (myHandle.IsInvalid)
{
#if !MONO
int errorCode = Marshal.GetLastWin32Error();
#endif
if(null != name && 0 != name.Length && NativeMethods.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(SR.GetString(SR.WaitHandleCannotBeOpenedException_InvalidHandle,name));
#if MONO
InternalResources.WinIOError(errorCode, "");
#else
InternalResources.WinIOError();
#endif
}
this.SafeWaitHandle = myHandle;
}
public EventWaitHandle(bool initialState, EventResetMode mode, string name)
{
if (null != name)
{
if (((int)Interop.Constants.MaxPath) < name.Length)
{
throw new ArgumentException(SR.Format(SR.Argument_WaitHandleNameTooLong, name));
}
}
Contract.EndContractBlock();
uint eventFlags = initialState ? (uint)Interop.Constants.CreateEventInitialSet : 0;
IntPtr unsafeHandle;
switch (mode)
{
case EventResetMode.ManualReset:
eventFlags |= (uint)Interop.Constants.CreateEventManualReset;
break;
case EventResetMode.AutoReset:
break;
default:
throw new ArgumentException(SR.Format(SR.Argument_InvalidFlag, name));
};
unsafeHandle = Interop.mincore.CreateEventEx(IntPtr.Zero, name, eventFlags, (uint)Interop.Constants.EventAllAccess);
int errorCode = (int)Interop.mincore.GetLastError();
SafeWaitHandle _handle = new SafeWaitHandle(unsafeHandle, true);
if (_handle.IsInvalid)
{
_handle.SetHandleAsInvalid();
if (null != name && 0 != name.Length && Interop.mincore.Errors.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(SR.Format(SR.Threading_WaitHandleCannotBeOpenedException_InvalidHandle, name));
throw ExceptionFromCreationError(errorCode, name);
}
SafeWaitHandle = _handle;
}
internal void Persist(SafeWaitHandle handle)
{
base.WriteLock();
try
{
AccessControlSections accessControlSectionsFromChanges = this.GetAccessControlSectionsFromChanges();
if (accessControlSectionsFromChanges != AccessControlSections.None)
{
bool flag;
bool flag2;
base.Persist(handle, accessControlSectionsFromChanges);
base.AccessRulesModified = flag = false;
base.AuditRulesModified = flag2 = flag;
base.OwnerModified = base.GroupModified = flag2;
}
}
finally
{
base.WriteUnlock();
}
}
private void bgWorker_DoWork(object sender, DoWorkEventArgs e)
{
long waketime = (long)e.Argument;
using (handle = CreateWaitableTimer(IntPtr.Zero, true, this.GetType().Assembly.GetName().Name.ToString() + "Timer"))
{
if (SetWaitableTimer(handle, ref waketime, 0, IntPtr.Zero, IntPtr.Zero, true))
{
using (wh = new EventWaitHandle(false, EventResetMode.AutoReset))
{
wh.SafeWaitHandle = handle;
wh.WaitOne();
}
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
wh = null;
}
public static bool DuplicateHandle(HandleRef hSourceProcessHandle, SafeHandle hSourceHandle, HandleRef hTargetProcess,
out SafeWaitHandle targetHandle, int dwDesiredAccess, bool bInheritHandle, int dwOptions)
{
bool release = false;
try {
hSourceHandle.DangerousAddRef (ref release);
MonoIOError error;
IntPtr nakedTargetHandle;
bool ret = MonoIO.DuplicateHandle (hSourceProcessHandle.Handle, hSourceHandle.DangerousGetHandle (), hTargetProcess.Handle,
out nakedTargetHandle, dwDesiredAccess, bInheritHandle ? 1 : 0, dwOptions, out error);
if (error != MonoIOError.ERROR_SUCCESS)
throw MonoIO.GetException (error);
targetHandle = new SafeWaitHandle (nakedTargetHandle, true);
return ret;
} finally {
if (release)
hSourceHandle.DangerousRelease ();
}
}
public static extern int WaitForSingleObject(SafeWaitHandle handle, int dwMilliseconds);
public static extern bool SetEvent(SafeWaitHandle handle);
static extern private bool CancelWaitableTimer( SafeWaitHandle hTimer );
static extern private bool SetWaitableTimer( SafeWaitHandle hTimer, Int64* pDue, Int32 lPeriod, IntPtr rNotify, IntPtr pArgs, bool bResume );
public static extern bool NotifyChangeEventLog(SafeHandle hEventLog, SafeWaitHandle hEvent);
public static extern bool SetWaitableTimer(SafeWaitHandle handle, ref long dueTime, int period, IntPtr mustBeZero, IntPtr mustBeZeroAlso, bool resume);
internal static int MsgWaitForMultipleObjects(SafeWaitHandle handle, bool waitAll, int milliseconds, int wakeMask)
{
int terminationEvent, lastWin32Error;
if (handle == null)
{
terminationEvent = UnsafeNativeMethods.MsgWaitForMultipleObjects(0, null, waitAll, milliseconds, wakeMask);
lastWin32Error = Marshal.GetLastWin32Error();
}
else
{
RuntimeHelpers.PrepareConstrainedRegions();
bool fRelease = false;
try
{
handle.DangerousAddRef(ref fRelease);
IntPtr[] handles = { handle.DangerousGetHandle() };
terminationEvent = UnsafeNativeMethods.MsgWaitForMultipleObjects(1, handles, waitAll, milliseconds, wakeMask);
lastWin32Error = Marshal.GetLastWin32Error();
}
finally
{
if (fRelease)
{
handle.DangerousRelease();
}
}
}
if (terminationEvent == NativeMethods.WAIT_FAILED)
{
ThrowWin32ExceptionsIfError(lastWin32Error);
}
return terminationEvent;
}
private static extern int WaitOneNative(Microsoft.Win32.SafeHandles.SafeWaitHandle waitHandle, uint millisecondsTimeout, bool hasThreadAffinity, bool exitContext);
[System.Security.SecuritySafeCritical] // auto-generated
private void Init()
{
safeWaitHandle = null;
waitHandle = InvalidHandle;
hasThreadAffinity = false;
}
/// <nodoc /> public static bool DuplicateHandle(ProcessHandle hSourceProcessHandle, SafeHandle hSourceHandle, ProcessHandle hTargetProcess, out SafeWaitHandle targetHandle, int dwDesiredAccess, bool bInheritHandle, int dwOptions) => s_nativeMethods.DuplicateHandle(hSourceProcessHandle, hSourceHandle, hTargetProcess, out targetHandle, dwDesiredAccess, bInheritHandle, dwOptions);
private static extern int SignalAndWaitOne(Microsoft.Win32.SafeHandles.SafeWaitHandle waitHandleToSignal, Microsoft.Win32.SafeHandles.SafeWaitHandle waitHandleToWaitOn, int millisecondsTimeout, bool hasThreadAffinity, bool exitContext);
internal void SetHandleInternal(Microsoft.Win32.SafeHandles.SafeWaitHandle handle)
{
this.safeWaitHandle = handle;
this.waitHandle = handle.DangerousGetHandle();
}
private void Init()
{
this.safeWaitHandle = null;
this.waitHandle = InvalidHandle;
this.hasThreadAffinity = false;
}
